Laboratory of Heat-Equipment Research and Testing (12)

Acting Head (Research associate)
Gediminas Zygmantas

Laboratory of Heat-equipment Research and Testing
Scope | R&D Tools | Accredited Services | Certificates | Membership | Partners

Scope of research

Processes and technologies for the efficient use of R.E.S. and reduction of environmental pollution

  • physical and thermal properties of solid biomass and recovered fuel;
  • fuel preparation methods and technologies;
  • thermal conversion processes (combustion, gasification) of solid fuel;
  • solid biofuel drying;
  • solid biofuel dynamics and thermal conversion on moving grate and in fluidized bed;
  • emission formation processes in heating appliances;
  • efficiency of low capacity boilers and heating appliances fired by solid fuel.

 
Thermal physics, fluid mechanics and metrology

  • flows mixing in chambers of limited dimensions and various geometry;
  • permeability of gas mixtures through membranes;
  • particulate emission reduction;
  • flow dynamics in elastic channels;
  • ultrasound propagation in flows;
  • heat and mass transfer by molecular dynamics;
  • maintenance of five national flow and pressure standards and assurance of measurement traceability

Tools and capabilities for scientific R&D

Set of modern experimental facilities and measuring instruments for investigation of:

  • efficiency of small (up to 500 kW) space heating appliances fired by solid biofuel;
  • reducing gaseous and particulate matter emission by implementation of precipitation devices;
  • composition of biomass and various solid fuels as well as their physico-chemical properties;
  • liquid and gas flow dynamics in channels and chambers at the various inlet and boundary conditions, flow regime and its instability, physical properties variation;
  • inner flow structure of separated flow or flow in cavities situated in microchannel walls by using particle image velocimetry methods and macro/microPIV systems for flow visualization;
  • permeability of membranes and its use for separation of disadvantageous components from gas mixture.

 
CFD aplication for numerical simulation of:

  • flow dynamics analysis using software package ANSYS® Fluent®;
  • mixing of combustibles species and oxygen to enhance combustion process in furnace;
  • multi-physics numerical investigation using software package COMSOL Multiphysics®;
  • Coupled CFD-Discrete Element Method numerical research using homemade software package Bed_Motion, software package XDEM and Open Source package OpenFOAM®.
  • Molecular Dynamics investigations using software package LAMMPS®.

Our expertise for implementation of innovative projects and services

  • assurance of traceability of liquid, gas and heat supply and consumption measurement on national and international levels;
  • conformity assessment of measuring instruments and heat appliances before placing on the market or entry into service, or being in service;
  • fluid dynamics under the influence of flow disturbances and flow regimes;
  • numerical analysis and numerical methods applied in multi-physics problems;
  • particles system (granular mater) dynamics;
  • molecular dynamics in heat and mass transfer problems.

Accredited & notified services

Scope as Designated institute (DI) for maintenance of national standards for[1]:
◦ air (gas) speed;
◦ air (gas) volume and flow rate;
◦ water volume and flow rate;
◦ liquid (other than water) volume and flow rate;
◦ pressure.

Notified (Id. No. 1621) for conformity assessment of[4]:
◦ water and heat meters (B, F and D modules) and measuring systems of liquids (other than water) (F module) against European Parliament and Council Directive 2014/32/EU;
◦ room heating appliances fired by solid fuel against European Parliament and Council Regulation (EU) No. 305/2011.

Calibration services

Accredited in compliance with the requirements of LST EN ISO/IEC 17025 to perform the calibration of[2]:
◦ measuring instruments for liquids and gas flow, thermal energy, pressure, air humidity and temperature, capacity measures as well as Water and Gas Flow Standard facilities.

 

Testing services

Accredited in compliance with the requirements of LST EN ISO/IEC 17025 to perform[2]:
◦ tests of heating boilers, appliances burning gaseous fuels, solid biofuel, solid recovered fuel, water and thermal energy meters (Appendix 1)
◦ assessment and verification of performance of space heating appliances burning solid fuel according to requirements of Regulation (EU) No. 305/2011 of the European Parliament and of the Council (Appendix 2).

 

Inspection body (Inspection services)

Accredited as the A type inspection body in compliance with the requirements of EN ISO/IEC 17020 to perform[3]:
◦ verification of measuring instruments and equipment.

 

Product certification body (Certification services)

Accredited in compliance with the requirements of LST EN ISO/IEC 17065 to conformity assessment of[5]:
water and thermal energy meters and measuring systems for liquids other than water according to Technical Regulation of Measuring Instruments approved by the Order of Minister of Economy of the Republic of Lithuania No. 4-699 „On Technical Regulation of Measuring Instruments” of 30 October 2015 which take over the Directive 2014/32/EU of the European Parliament and of the Council of 26 February 2014 with amendments made by Commission delegated Directive 2015/13/EU.

 
Issuing authority:
Lithuanian National Accreditation Bureau
 
[1] Note. The measuring range, calibration and measurement options are available on the BIPM website: http://www.bipm.org/kcdb
[2], [3], [5] Note. The scope of accreditation can be found on the website of the Lithuanian National Accreditation Bureau: http://www.nab.lrv.lt
[4] Note. The scope of notification can be found on the NANDO website: http://ec.europa.eu/growth/tools-databases/nando/


Certification

Certification procedure is defined in the document SSCH-PS 01:2022 Certifikation schema.

Laboratory of Heat-Equipment Research and Testing – Notified Body (Id. No. 1621) as listed in NANDO database.

Application forms for certification:

 
The Certification fee consists of the costs related to the analysis of the application and related documents, the inspection or testing of the object to be assessed, and the evaluation of the results.

Information on the Complaints and Appeals procedures is available upon request to the customer at testlab@mail.lei.lt.

For further information, please contact Mindaugas.Mockevicius@lei.lt.


Membership in international organizations

EURAMET – European Association of National Metrology Institutes
COOMET – Euro-Asian Cooperation of National Metrological Institutions
NoBoMet – European Platform of Notified working in Legal Metrology


Laboratory partners and customers

Customers – all economic and research entities, the activities of which require accredited (or additionally notified) calibration, testing and conformity assessment services defined under legal acts.

Partners – Research institutions:

Lithuanian University of Health Sciences;
Kaunas University of Technology;
Center for Physical Sciences and Technology;
Nicolaus Copernicus University;
University of Luxembourg;
University of Twente;
The Szewalski Institute of Fluid-Flow Machinery Polish Academy of Sciences.

Partners – Companies:
partners and clients

Publications

2024

Yousef S., Eimontas J. [LEI], Striūgas N. [LEI], Praspaliauskas M. [LEI], Abdelnaby M. A.. Pyrolysis kinetic behaviour, TG‑FTIR, and GC/MS analysis of cigarette butts and their components In: Biomass conversion and biorefinery. Heidelberg: Springer, 2024, Vol. 14, p. 6903-6923. ISSN 2190-6815 , eISSN 2190-6823.
Varnagirytė-Kabašinskienė I., Byčenkienė S., Araminienė V., Džiugys A. [LEI], Gudynaitė-Franckevičienė V., Uogintė I., Davulienė L., Misiulis E. [LEI], Khan A., Černiauskas V., Stonkus T.. The role of urban green infrastructure in reducing traffic-related microplastic particles In: 37th Task Force Meeting, ICP-vegetation, 19–21 February 2024, Kaunas, Lithuania . Kaunas: ICP Vegetation Programme Coordination Centre and Lithuanian Agricultural and Forest Science Centre, 2024, p. 37-37..
Yousef S., Tonkonogovas A. [LEI], Mohamed A.. Graphene-modified MIL-125-NH2 mixed matrix membranes for efficient H2 and CH4 purification In: Chemosphere. Kidlington: Elsevier, 2024, Vol. 352, 141362, p. 1-11. ISSN 0045-6535, eISSN 1879-1298.
Kubule A., Kramens J., Bimbere M., Pedišius N. [LEI], Blumberga D.. Trends for Stirling Engines in Households: A Systematic Literature Review In: Energies. Basel: MDPI, 2024, Vol. 17, Iss. 2, 383, p. 1-17. ISSN 1996-1073.
Mankė J., Praspaliauskas M. [LEI], Pedišius N. [LEI], Sujetovienė G.. Evaluation of phytoremediation efficiency of shooting range soil using the bioaccumulation potential and sensitivity of different plant species In: Ecological Engineering. Amsterdam: Elsevier, 2024, Vol. 198, 107134, p. 1-8. ISSN 0925-8574.
Dikšaitytė A., Kniuipytė I. [LEI], Žaltauskaitė J. [LEI], Abdel-Maksoud M. A., Asard H., AbdElgawad H.. Enhanced Cd phytoextraction by rapeseed under future climate as a consequence of higher sensitivity of HMA genes and better photosynthetic performance In: Science of The Total Environment. Amsterdam: Elsevier, 2024, Vol. 908, 168164, p. 1-17. ISSN 0048-9697.
Šereika J. [LEI], Vilkinis P. [LEI], Skarbalius G. [LEI], Džiugys A. [LEI], Pedišius N. [LEI]. Experimental analysis of pulsatile flow effects on flow structure in transitional-type cavity In: Experimental Thermal and Fluid Science. New York: Elsevier, 2024, Vol. 151, 111073, p. 1-10. ISSN 0894-1777.
Vilkinis P. [LEI], Šereika J. [LEI], Skarbalius G. [LEI], Džiugys A. [LEI], Pedišius N. [LEI]. Experimental analysis of flow topology and particle behavior in microcavities In: Experimental Thermal and Fluid Science . New York: Elsevier, 2024, Vol. 150, 111046, p. 1-12. ISSN 0894-1777.

2023

Kniuipytė I. [LEI], Praspaliauskas M. [LEI], Venclovienė J., Žaltauskaitė J. [LEI]. Soil Remediation after Sewage Sludge or Sewage Sludge Char Application with Industrial Hemp and Its Potential for Bioenergy Production In: Sustainability. Basel: MDPI, 2023, Vol. 15, Iss. 14, 11296, p. 1-17. ISSN 2071-1050.
Kniuipytė I. [LEI], Dikšaitytė A., Praspaliauskas M. [LEI], Pedišius N. [LEI], Žaltauskaitė J. [LEI]. Influence of Soil Water Content on Energy Crop Summer Rape (Brassica napus l.) Phytoremediation Potential In: Book of abstracts SETAC Europe 33rd annual meeting „Data-driven environmental decision-making“ (SETAC2023). 30 April–4 May 2023. Dublin: Society of Environmental Toxicology and Chemistry Europe (SETAC Europe), 2023, Vol. 33, 4.04.P-Th274, p. 614-614. ISSN 2309-8031, eISSN 2310-3043.
Kniuipytė I. [LEI], Dikšaitytė A., Praspaliauskas M. [LEI], Pedišius N. [LEI], Žaltauskaitė J.. Energy Crop Summer Rape (B. napus L.) Phytoremediation Potential at Different Soil Moisture Content In: 10th International Conference on Sustainable Solid Waste Management CHANIA 2023 21-24 JUNE. Graikija: 2023, P. S. 1, p. 1-2..
Dagiliūtė R., Zarankaitė U., Kniuipytė I. [LEI]. Rented, second hand or new? Pro-circular clothing behaviours in Lithuania In: 10th International Conference on Sustainable Solid Waste Management CHANIA 2023 21-24 JUNE. Graikija: 2023, P. S. 137, p. 1-2..
Kaminskaitė G., Misiulis E. [LEI], Ratkūnas V., Džiugys A. [LEI], Skarbalius G. [LEI], Navakas R. [LEI]. Computational fluid dynamics modelling and automatic classification of healthy human cerebral ventricular system components In: Absrract Book International Health Sciences Conference March 30-31 2023. Kaunas: Students’ Scientific Society of Lithuanian University of Health Sciences, 2023, p. 76-78. ISSN 2783-7408.
Skarbalius G. [LEI], Džiugys A. [LEI], Misiulis E. [LEI], Navakas R. [LEI]. Novel approach for identifying evaporating and condensing atoms at the argon liquid surface in molecular dynamics simulations In: 17th International Heat Transfer Conference. Keiptaunas: 2023, p. 1-1. ISSN 2377-424X.
Misiulis E. [LEI], et al. Vėlyvosios smegenų išemijos prognozavimas: multicentrinės studijos pristatymas In: Galvos smegenų išemijos po spontaninės subarachnoidininės hemoragijos numatymo ir ankstyvojo perspėjimo inovacinės technologijos“ MTEP (EWoDCI). Prienų raj. Harmony Park: 2023, p. 1-13..
Dikšaitytė A., Kniuipytė I. [LEI], Žaltauskaitė J. [LEI]. Effects of Elevated CO2 and Temperature on Physiological Status of Well-watered and Drought-stressed Brassica napus Grown in Cd Contaminated Soil in Relation to Their Phytoextraction Efficiency In: Book of abstracts SETAC Europe 33rd annual meeting „Data-driven environmental decision-making“ (SETAC2023). 30 April–4 May 2023. Dublin: 2023, 3.23P-We200, p. 527-527. ISSN 2309-8031, eISSN 2310-3043.
Kniuipytė I. [LEI], Dikšaitytė A., Praspaliauskas M. [LEI], Pedišius N. [LEI], Žaltauskaitė J. [LEI]. Influence of soil water content on energy crop summer rape (Brassica napus) phytoremediation potential In: Book of abstracts SETAC Europe 33rd annual meeting „Data-driven environmental decision-making“ (SETAC2023). 30 April–4 May 2023. Dublin: 2023, 4.04.P-Th274, p. 614-614. ISSN 2309-8031, eISSN 2310-3043.
Šereika J. [LEI], Vilkinis P. [LEI], Pedišius N. [LEI]. Experimental analysis of pulsatile flow in a transitional-type cavity In: Book of abstracts 18th European Turbulence Conference (ETC18). Valencia, Spain, 4-6 September 2023. Valencia: Universidad Politécnica de Valencia, 2023, p. 81-81..
Vilkinis P. [LEI], Šereika J. [LEI], Pedišius N. [LEI]. Investigation of flow over triangular elements in a cavity In: Book of abstracts 18th European Turbulence Conference (ETC18). Valencia, Spain, 4-6 September 2023. Valencia: Universidad Politécnica de Valencia, 2023, p. 82-82..
Jonynas R., Puida E., Karazinas A., Mačiulis V., Pedišius N. [LEI], Bakas R. [LEI], Dzenajavičienė Farida E. [LEI]. Saulės elektra šilumos gamybai In: Šiluminė Technika. Vilnius: Lietuvos Šilumos Tiekėjų Asociacija (LŠTA), Lietuvos Termoinžinerijos Asociacija (LTERA), 2023, Nr. 3 (89), p. 17-23. ISSN 1392-4346.
Tamošiūnas A. [LEI], Gimžauskaitė D. [LEI], Aikas M. [LEI], Uscila R. [LEI], Snapkauskienė V. [LEI], Zakarauskas K. [LEI], Praspaliauskas M. [LEI]. Biomass gasification to syngas in thermal water vapor arc discharge plasma In: Biomass Conversion and Biorefinery . Heidelberg: Springer, 2023, Vol. 13, p. 16373-16384. ISSN 2190-6815.
Meištininkas R. [LEI]. Dynamics of nitrogen and phosphorus compounds during legumesbased phytoremediation of petroleum hydrocarbons contaminated soil In: CYSENI 2023: 19th International Conference of Young scientists on energy and natural sciences issues 23-26 May 2023, Kaunas, Lithuania. Kaunas: Lietuvos energetikos institutas, 2023, p. 75-75. ISSN 2783-6339.
Kniuipytė I. [LEI]. Bioaccumulation potential of heavy metals in sewage sludge amended soil by energy plant basket willow (salix viminalis l.) In: CYSENI 2023: 19th International Conference of Young scientists on energy and natural sciences issues 23-26 May 2023, Kaunas, Lithuania. Kaunas: Lietuvos energetikos institutas, 2023, p. 74-74. ISSN 2783-6339.
Misiulis E. [LEI], Barkauskienė A., Ratkūnas V., Preikšaitis A., Lukoševičius S., Alzbutas R., Iešmantas T., Šerpytis M., Lapinskienė I., Džiugys A. [LEI], Putnynaitė V., Petkus V.. Numerical model for early warning of cerebrovascular vasospasm and delayed cerebral ischemia in SAH patients In: Journal of cerebral blood flow & metabolism. Abstracts to Brain and brain pet 2023, 12–15 June 2023, Brisbane, Australia. Thousands oaks, CA: SAGE, 2023, Vol. 43, suppl. 1, p. 46-46. ISSN 0271-678X, eISSN 1559-7016.
Petlickaitė R. [LEI], Praspaliauskas M. [LEI], Lemanas E. [LEI], Jasinskas A.. Processing and utilisation of ternary crop plants for energy conversion In: CYSENI 2023: 19th International Conference of Young scientists on energy and natural sciences issues 23-26 May 2023, Kaunas, Lithuania. Kaunas: Lietuvos energetikos institutas, 2023, p. 19-19. ISSN 2783-6339.
Meištininkas R. [LEI], Žaltauskaitė J., Pedišius N. [LEI]. The ability of legumes to increase soil nutrient content during petroleum hydrocarbons-contaminated soil phytoremediation In: Book of abstracts 32nd International Conference, Ecology & Safety. Burgas: Sciencecebg, 2023, p. 1-1..
Stankūnas M., Džiugys A. [LEI], Skarbalius G. [LEI], Misiulis E. [LEI], Navakas R. [LEI]. Authors’ reply to a commentary on the potential impact of COVID-19 passports to epidemiological situation In: Journal of Infection. London: Elsevier, 2023, Vol. 87, Iss. 3, p. e51-e53. ISSN 0163-4453, eISSN 1532-2742.
Navakas R. [LEI], Džiugys A. [LEI], Misiulis E. [LEI], Skarbalius G. [LEI]. Construction of velocity similarity graph for identification of shock wave in granular intruder motion In: 19th International Conference of Numerical Analysis and Applied Mathematics (ICNAAM 20-26 September 2021) AIP Conference Proceedings. Rhodes: AIP Publishing, 2023, Vol. 2849, Iss. 1, p. 360004-1-360004-5..
Česynaitė J., Praspaliauskas M. [LEI], Sujetovienė G.. Bioaccumulation of trace metal(loid)s and toxic response of Lactuca sativa grown in shooting range soil In: Toxicological & Environmental Chemistry. Abingdon: Taylor & Francis Group, 2023, Vol. 105, Iss. 1-7, p. 28-41. ISSN 0277-2248, eISSN 1029-0486.
Vainorius D. [LEI], Matijošius J., Borodinas S., Džiugys A. [LEI]. Theoretical and Experimental Research of Device for Ultrafine Particulate Matter Agglomeration In: 2023 IEEE Open Conference of Electrical, Electronic and Information Sciences (eStream) organized by Vilnius Gediminas Technical University. Piscataway, NJ: IEEE, 2023, p. 1-4. ISSN 2831-5634, eISSN 2690-8506 ISBN 979-8-3503-0384-1, eISBN 979-8-3503-038-4.
Yousef S., Tonkonogovas A. [LEI], Mohamed A.. Performance of sponge and finger-like structures of PSF/PET membranes in hydrogen separation industry In: Journal of Industrial and Engineering Chemistry. New York: Elsevier, 2023, Vol. 125, p. 232-241. ISSN 1226-086X.
Misiulis E. [LEI]. Likvoro cirkuliacijos matematinis modelis In: Konferencija - sunkios galvos smegenų traumos gydymas. Vilnius: Vilniaus universiteto ligoninė Santaros klinikos, Lietuvos mokslo taryba, 2023, p. 1-12..
Mohamed A., Yousef S., Makarevičius V. [LEI], Tonkonogovas A. [LEI]. GNs/MOF-based mixed matrix membranes for gas separations In: International Journal of Hydrogen Energy . Oxford: Elsevier, 2023, Vol. 48, Iss. 51, p. 19596-19604. ISSN 0360-3199.
Yousef S., Eimontas J. [LEI], Striūgas N. [LEI], Mohamed A., Praspaliauskas M. [LEI], Abdelnaby M. A.. Phenol and benzoic acid recovery from end-of-life of polysulfone ultrafiltration membranes and its thermochemical kinetic behaviour In: Energy Sources, Part A: Recovery, Utilization, and Environmental Effects. JAV: Taylor & Francis Group, 2023, Vol. 45, No. 2, p. 6043-6061. ISSN 1556-7036, eISSN 1556-7230.
Yousef S., Tonkonogovas A. [LEI], Lukošiūtė S. I. [LEI], Mohamed A.. Gas permeation and selectivity characteristics of sponge-like and finger-like structures of polysulfone membranes In: Fuel. Oxford: Elsevier, 2023, Vol. 347, 128476, p. 1-8. ISSN 0016-2361, eISSN 1873-7153.
Vaickelionienė R., Petrikaitė V., Vaškevičienė I. [LEI], Pavilonis A., Mickevičius V.. Synthesis of novel sulphamethoxazole derivatives and exploration of their anticancer and antimicrobial properties In: PloS one. San Francisko, CA: Public Library Science, 2023, Vol. 18, Iss. 3, e0283289, p. 1-22. ISSN 1932-6203.
Dikšaitytė A., Kniuipytė I. [LEI], Žaltauskaitė J.. Drought-free future climate conditions enhance cadmium phytoremediation capacity by Brassica napus through improved physiological status In: Journal of Hazardous Materials. Amsterdam: Elsevier, 2023, Vol. 452, 131181, p. 1-18. ISSN 0304-3894, eISSN 1873-3336.
Mohamed A., Yousef S., Tonkonogovas A. [LEI], Stankevičius A. [LEI], Baltušnikas A. [LEI]. Fabrication of high-strength graphene oxide/carbon fiber nanocomposite membranes for hydrogen separation applications In: Process Safety and Environmental Protection. Amsterdam: Elsevier, 2023, Vol. 172, p. 941-942. ISSN 0957-5820, eISSN 1744-3598.
Meištininkas R. [LEI], Vaškevičienė I. [LEI], Dikšaitytė A., Pedišius N. [LEI], Žaltauskaitė J. [LEI]. Potential of Eight Species of Legumes for Heavy Fuel Oil-Contaminated Soil Phytoremediation In: Sustainability. Basel: MDPI, 2023, Vol. 15, Iss. 5, 4281, p. 1-13. ISSN 2071-1050.
Mohamed A., Yousef S., Tučkutė S. [LEI], Tonkonogovas A. [LEI], Stankevičius A. [LEI]. Gas permeation and selectivity of polysulfone/carbon non-woven fabric membranes with sponge and finger-like structures In: Process Safety and Environmental Protection. Amsterdam: Elsevier, 2023, Vol. 171, p. 630-639. ISSN 0957-5820, eISSN 1744-3598.
Petlickaitė R. [LEI], Jasinskas A., Domeika R., Pedišius N. [LEI], Lemanas E. [LEI], Praspaliauskas M. [LEI], Kukharets S.. Evaluation of the Processing of Multi-Crop Plants into Pelletized Biofuel and Its Use for Energy Conversion In: Processes. Basel: MDPI, 2023, Vol. 11, Iss. 2, 421, p. 1-17. ISSN 2227-9717.
Kniuipytė I. [LEI], Dikšaitytė A., Praspaliauskas M. [LEI], Pedišius N. [LEI], Žaltauskaitė J. [LEI]. Oilseed rape (Brassica napus L.) potential to remediate Cd contaminated soil under different soil water content In: Journal of Environmental Management . London: Elsevier, 2023, Vol. 325, Part A, 116627, p. 1-9. ISSN 0301-4797.
Kacienė G., Miškelytė D., Dikšaitytė A., Januškaitienė I., Sujetovienė G., Žaltauskaitė J., Praspaliauskas M. [LEI]. Subsequent drought and re-watering events cause a shift in productivity and nutritive value of alfalfa and hybrid fescue plant In: Annals of Applied Biology. New York: Wiley, 2023, Vol. 182, Iss. 1, p. 77-91. ISSN 0003-4746.

2022

Li G., Kujawski W., Tonkonogovas A. [LEI], Knozowska K., Kujawa J., Olewnik-Kruszkowska E., Pedišius N. [LEI], Stankevičius A. [LEI]. Evaluation of CO2 separation performance with enhanced features of materials – Pebax® 2533 mixed matrix membranes containing ZIF-8-PEI@[P(3)HIm][Tf2N] In: Chemical Engineering Research and Design. Amsterdam: Elsevier, 2022, Vol. 181, p. 195-208. Scopus . ISSN 0263-8762.
Dikšaitytė A., Žaltauskaitė J., Kniuipytė I. [LEI], Dagiliūtė R., Juknys R.. Effects of drought on cadmium phytoextraction efficiency by Brassica napus grown under current and future climate conditions in Cd contaminated soil In: Book abstracts Protection and Restoration of the Environment XVI . Kalamata: Organized by the Stevens Institute of Technology, USA, and the Department of Civil Engineering of the University of Patras, Greece, 2022, p. 105-106..
Kilikevičienė K., Kačianauskas R., Maknickas A., Džiugys A. [LEI], Kilikevičius A.. Theoretical and Experimental Investigation of Acoustic Agglomeration of Aerosol Particulates In: Abstracts book 9th World Congress on Particle Technology (WCPT9) . Madrid: 2022, p. 389-390. ISBN 978-84-09-42782-6.
Skarbalius G. [LEI], Džiugys A. [LEI], Misiulis E. [LEI], Navakas R. [LEI], Kačianauskas R.. Novel method for identifying evaporating, condensing, and reflecting atoms at the argon liquid surface in molecular dynamics simulations In: Abstracts book 9th World Congress on Particle Technology (WCPT9) . Madrid: 2022, p. 212-213. ISBN 978-84-09-42782-6.
Šereika J. [LEI], Vilkinis P. [LEI], Pedišius N. [LEI]. Investigation of pulsatile flow structure in closed-type cavity In: Book of abstracts 14th European Fluid Mechanics Conference (EFMC14). Athens: Megaron Athens international conference centre, 2022, Session 9, p. 951-951..
Kniuipytė I. [LEI], Žaltauskaitė J., Praspaliauskas M. [LEI]. Heavy Metals Vermiremediation Potential Using Eisenia fetida at Different Sewage Sludge Treatments in Soil In: Abstract Book SETAC Europe 32nd Annual Meeting „Towards a reduced pollution society”. Copenhagen: Society of environmental toxicology and chemistry , 2022, 4.15.P-Th143, p. 515-515..
Dikšaitytė A., Žaltauskaitė J., Kniuipytė I. [LEI], Juknys R.. Cadmium Uptake and Its Effect on the Composition of Mineral Nutrients in Brassica Napus Grown Under Current and Future Climate Conditions In: Abstract Book SETAC Europe 32nd Annual Meeting “TOWARDS A REDUCED POLLUTION SOCIETY”. Society of environmental toxicology and chemistry, 2022, 3.19.P-We157, p. 401-401..
Dikšaitytė A., Žaltauskaitė J., Kniuipytė I. [LEI], Juknys R.. Increased photosynthetic performance of Brassica napus contributes to enhanced Cd phytomanagement under warmer climate despite drought stress In: 9th International Conference on Sustainable Solid Waste Management. Corfu: National Technical University of Athens, 2022, Poster Session 028, p. 1-2..
Kniuipytė I. [LEI], Žaltauskaitė J., Dikšaitytė A., Praspaliauskas M. [LEI], Pedišius N. [LEI]. Energy Crop Summer Rape (Brassica napus L.) as a phytoextractor of Cd at Different Soil Moisture Content In: 9th International Conference on Sustainable Solid Waste Management. Corfu: National Technical University of Athens, 2022, Poster Session 42, p. 1-1..
Petlickaitė R. [LEI], Jasinskas A., Domeika R., Romaneckas K., Mašek J.. Multi-crop biomass utilization for bioenergy purposses and evaluation of pressed biofuel properties In: Proceeding of the 8th International Conference on Trends in Agricultural Engineering 20th – 23rd September 2022 . Prague: Czech University of Life Sciences Prague, 2022, p. 302-307. Scopus. ISBN 978-80-213-3207-2.
Jasinskas A., Petlickaitė R. [LEI], Jotautienė E., Lemanas E. [LEI], Soucek J.. Assessment of energy properties of maize and multi-crop pellets and environmental impact of their combustion In: 21st International Scientific Conference ENGINEERING FOR RURAL DEVELOPMENT Proceedings. Jelgava: Latvia University of Life Sciences and Technologies Faculty of Engineering, 2022, Vol. 21, p. 766-771. Scopus. ISSN 1691-5976.
Pashneva D., Byčenkienė S., Uogintė I., Pauraitė J., Minderytė A., Davulienė L., Plauškaitė K., Skapas M., Dudoitis V., Andriejauskienė J., Ulevičius V., Jasinevičienė D., Araminienė V., Dzenajavičienė Farida E. [LEI], Sicard P., Gudynaitė-Franckevičienė V., Varnagirytė-Kabašinskienė I., Pedišius N. [LEI], Lemanas E. [LEI], Vonžodas T. [LEI]. The role of tree foliage on black carbon deposition an urban background in Vilnius In: Open readings 2022 : 65th international conference for students of physics and natural sciences, March 15-18, 2022, Vilnius, Lithuania : abstract book.. Vilnius: Vilnius university, 2022, p. 188-188. ISBN 978-609-07-0722-7.
Meištininkas R. [LEI], Pedišius N. [LEI], Žaltauskaitė J. [LEI]. Potential of eight species of legumes for fuel oil contaminated soil phytoremediation In: CYSENI 2022: 18th international conference of young scientists on energy and natural sciences issues, 24-27 May 2022, Kaunas, Lithuania. Kaunas: Lithuanian Energy Institute, 2022, p. 579-581. ISSN 2783-6339.
Skarbalius G. [LEI], Džiugys A. [LEI]. Molecular dynamics study on base argon thermal conductivity inside nanochannel In: CYSENI 2022: 18th international conference of young scientists on energy and natural sciences issues, 24-27 May 2022, Kaunas, Lithuania. Kaunas: Lithuanian Energy Institute, 2022, p. 410-412. ISSN 2783-6339.
Navakas R. [LEI], Džiugys A. [LEI], Misiulis E. [LEI], Skarbalius G. [LEI]. Identification of collective particle motion in a rotating drum using a graph community detection algorithm In: Mathematical Methods in the Applied Sciences. Hoboken: WILEY, 2022, Vol. 45, Iss. 15, p. 8864-8875. ISSN 0170-4214, eISSN 1099-1476.
Kniuipytė I. [LEI], Praspaliauskas M. [LEI], Pedišius N. [LEI], Žaltauskaitė J. [LEI], Dikšaitytė A.. Energy crop oilseed rape (brassica napus l.) Biomass production during phytoremediation process at different soil water content In: CYSENI 2022: 18th international conference of young scientists on energy and natural sciences issues, 24-27 May 2022, Kaunas, Lithuania. Kaunas: Lithuanian Energy Institute, 2022, p. 112-116. ISSN 2783-6339.
Lisauskas A. [LEI], Kveselis V. [LEI], Dzenajavičienė Farida E. [LEI], Masaitis S. [LEI], Perednis E. [LEI]. Analysis of energy audits results and impacts: case of small and medium enterprises in Lithuania In: Energy Efficiency. Dordrecht: Springer, 2022, Vol. 15, Iss. 7, 48, p. 1-19. ISSN 1570-646X, eISSN 1570-6478.
Vilkinis P. [LEI], Šereika J. [LEI], Džiugys A. [LEI], Skarbalius G. [LEI], Pedišius N. [LEI]. Experimental analysis of microparticles behaviour in microcavities In: Proceedings 16th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics August 7-11, 2022. Amsterdam: American Society of Thermal and Fluids Engineers, 2022, p. 392-395.. ISBN 978-0-7972-1886-4.
Misiulis E. [LEI], Barkauskienė A., Ratkūnas V., Preikšaitis A., Lukoševičius S., Alzbutas R., Iešmantas T., Šerpytis M., Džiugys A. [LEI], Petkus V.. Patient-specific numerical modeling of cerebrospinal fluid flow In: Journal of cerebral blood flow & metabolism. Thousands oaks, CA: SAGE, 2022, vol. 42, suppl. 1 , 213, p. 160-161. Conference Proceedings Citation Index - Science (Web of Science). ISSN 0271-678X, eISSN 1559-7016.
Šereika J. [LEI], Vilkinis P. [LEI], Pedišius N. [LEI]. Analysis of Cavity Corner Geometry Effect on Recirculation Zone Structure In: Applied Sciences. Basel: MDPI, 2022, Vol. 12, Iss. 12, 6288, p. 1-12. ISSN 2076-3417.
Gramauskas G., Jasinskas A., Mieldažys R., Romaneckas K., Pedišius N. [LEI]. Invazinių žolinių augalų perdirbimo ir naudojimo energetinėms reikmėms tyrimas In: Žmogaus ir gamtos sauga 2022: mokslo straipsnių rinkinys. Kaunas: Vytauto Didžiojo universitetas, 2022, p. 48-51. ISSN 1822-1823, eISSN 2538-9122.
Skarbalius G. [LEI], Džiugys A. [LEI], Misiulis E. [LEI], Navakas R. [LEI]. A novel method for convective drying rate estimation in a deep fixed porous material bed In: Powder Technology . Amsterdam: Elsevier, 2022, Vol. 404, 117499, p. 1-12. ISSN 0032-5910.
Džiugys A. [LEI], Mahmoudi A. H., Misiulis E. [LEI], Navakas R. [LEI], Skarbalius G. [LEI]. Fractal dependence of the packed bed porosity on the particles size distribution In: Chaos, Solitons & Fractals. Oxford: Elsevier, 2022, Vol. 159, 112144, p. 1-6. ISSN 0960-0779.
Vilkinis P. [LEI], Šereika J. [LEI], Pedišius N. [LEI], Zygmantas G. [LEI]. Experimental study of flows over triangular riblets in cavity-like geometry In: Experimental Thermal and Fluid Science. New York: Elsevier, 2022, Vol. 134, 110621, p. 1-9. Scopus. ISSN 0894-1777.
Byčenkienė S., Pashneva D., Uogintė I., Pauraitė J., Minderytė A., Davulienė L., Plauškaitė K., Skapas M., Dudoitis V., Touqeer G., Andriejauskienė J., Araminienė V., Dzenajavičienė Farida E. [LEI], Sikard P., Gudynaitė-Franckevičienė V., Varnagirytė-Kabašinskienė I., Pedišius N. [LEI], Lemanas E. [LEI], Vonžodas T. [LEI]. Evaluation of the anthropogenic black carbon emissions and deposition on Norway spruce and silver birch foliage in the Baltic region In: Environmental research. San Diego: Elsevier, 2022, Vol. 207, 112218, p. 1-10. ISSN 0013-9351, eISSN 1096-0953.
Žaltauskaitė J., Kniuipytė I. [LEI], Praspaliauskas M. [LEI]. Earthworm Eisenia fetida potential for sewage sludge amended soil valorization by heavy metal remediation and soil quality improvement In: Journal of Hazardous Materials . Amsterdam: Elsevier, 2022, Vol. 424, Part A, 127316, p. 1-13. ISSN 0304-3894.
Mohamed A., Yousef S., Tonkonogovas A. [LEI], Makarevičius V. [LEI], Stankevičius A. [LEI]. High performance of PES-GNs MMMs for gas separation and selectivity In: Arabian Journal of Chemistry. Amsterdam: Elsevier, 2022, Vol. 15, Iss. 2, 103565, p. 1-12. ISSN 1878-5352.
Petlickaitė R. [LEI], Jasinskas A., Mieldažys R., Romaneckas K., Praspaliauskas M. [LEI], Balandaitė J.. Investigation of Pressed Solid Biofuel Produced from Multi-Crop Biomass In: Sustainability. Basel: MDPI, 2022, Vol. 14, Iss. 2, 799, p. 1-16. ISSN 2071-1050.

2021

Dikšaitytė A., Žaltauskas R., Kniuipytė I. [LEI], Januškaitienė I., Juknys R.. Changes of Photosynthetic Performance of Brassica napus Affecting Cadmium Phytoextraction Performance under Elevated Temperature, CO2 and Drought In: Proceedings of the 17th International Conference on Environmental Science and Technology Athens, Greece, 1 to 4 September 2021. Marousi: COSMOS S.A., 2021, 00295, p. 1-5. ISSN 3844-9820 ISBN 978-618-86292-1-9.
Pedišius N. [LEI], Praspaliauskas M. [LEI], Pedišius J. [LEI], Dzenajavičienė Farida E. [LEI]. Analysis of characteristics of solid biomass fuel used for energy production In: Book of Abstracts 12th International Conference on Biosystems Engineering May 5-7, 2021. Tartu: Estonian University of Life Sciences, 2021, p. 42-42. ISBN 978-9949-698-91-2.
Česynaitė J., Praspaliauskas M. [LEI], Pedišius N. [LEI], Sujetovienė G.. Biological assessment of contaminated shooting range soil using earthworm biomarkers In: Ecotoxicology. Dordrecht: Springer, 2021, Vol. 30, p. 2024-2035. ISSN 0963-9292 , eISSN 1573-3017.
Yousef S., Tučkutė S. [LEI], Tonkonogovas A. [LEI], Stankevičius A. [LEI], Mohamed A.. Ultra-permeable CNTs/PES membranes with a very low CNTs content and high H2/N2 and CH4/N2 selectivity for clean energy extraction applications In: Journal of Materials Research and Technology-JMR&T. Amsterdam: Elsevier, 2021, Vol. 15, p. 5114-5127. ISSN 2238-7854.
Skarbalius G. [LEI], Džiugys A. [LEI], Misiulis E. [LEI], Navakas R. [LEI], Vilkinis P. [LEI], Šereika J. [LEI], Pedišius N. [LEI]. Molecular Dynamics Study on Water Flow Behaviour inside Planar Nanochannel Using Different Temperature Control Strategies In: Energies. Basel: MDPI, 2021, Vol. 14 (20), 6843, p. 1-14. ISSN 1996-1073.
Šereika J. [LEI], Vilkinis P. [LEI], Pedišius N. [LEI]. Investigation of pulsatile flow structure in closed-type cavity In: International Journal of Heat and Fluid Flow . New Yourk: Elsevier, 2021, Vol. 92, 108877, p. 1-7. ISSN 0142-727X.
Meištininkas R. [LEI], Žaltauskaitė J.. An overview of siderate plants phytoremediation potential for petroleum hydrocarbons contaminated soil using various biological additives In: The 17th International Conference of Young Scientists on Energy and Natural Sciences Issues (CYSENI 2021) Kaunas, Lithuania, May 24-28, 2021. Kaunas: Lietuvos energetikos institutas, 2021, p. 1214-1221. ISSN 1822-7554.
Kniuipytė I. [LEI], Žaltauskaitė J.. Vermi-remediation of heavy metals: a review In: The 17th International Conference of Young Scientists on Energy and Natural Sciences Issues (CYSENI 2021) Kaunas, Lithuania, May 24-28, 2021. Kaunas: Lietuvos energetikos institutas, 2021, p. 1206-1213. ISSN 1822-7554.
Šereika J. [LEI]. Experimental and numerical analysis of the flow structure in cavities under pulsatile inlet flow conditions In: The 17th International Conference of Young Scientists on Energy and Natural Sciences Issues (CYSENI 2021) Kaunas, Lithuania, May 24-28, 2021. Kaunas: Lietuvos energetikos institutas, 2021, p. 585-586. ISSN 1822-7554.
Skarbalius G. [LEI], Džiugys A. [LEI]. Molecular dynamics simulation of water flow inside planar nanochannel In: The 17th International Conference of Young Scientists on Energy and Natural Sciences Issues (CYSENI 2021) Kaunas, Lithuania, May 24-28, 2021. Kaunas: Lietuvos energetikos institutas, 2021, p. 583-584. ISSN 1822-7554.
Petlickaitė R. [LEI], Jasinskas A., Streikus D.. Fibrous hemp biomass usage for energy purposes and biomass ash sustainable utilization In: The 17th International Conference of Young Scientists on Energy and Natural Sciences Issues (CYSENI 2021) Kaunas, Lithuania, May 24-28, 2021. Kaunas: Lietuvos energetikos institutas, 2021, p. 111-113. ISSN 1822-7554.
Skarbalius G. [LEI], Džiugys A. [LEI], Misiulis E. [LEI], Navakas R. [LEI]. Molecular dynamics study on water evaporation/condensation parameters In: Microfluidics and Nanofluidics . Heidelberg: Springer, 2021, Vol. 25, 81, p. 1-13. ISSN 1613-4982, eISSN 1613-4990.
Kacienė G., Miškelytė D., Dikšaitytė A., Januškaitienė I., Sujetovienė G., Žaltauskaitė J., Praspaliauskas M. [LEI], Juknys R.. A manifold response of forage rape to combined heat wave and drought under current and elevated CO2 In: Journal of Agronomy and Crop Science. Hoboken: WILEY, 2021, Vol. 207, Iss. 5, p. 873-883. ISSN 0931-2250, eISSN 1439-037X.
Konstantinavičiūtė I. [LEI], Byčenkienė S., Plauškaitė-Šukienė K., Striūgas N. [LEI], Sadeckas M. [LEI], Vonžodas T. [LEI], Pedišius N. [LEI]. Evaluation of emission factors for air polutants from biomass combustion in Lithuania In: 1st IAEE Online conference “ENERGY, COVID and CLIMATE CHANGE”, 7-9 June 2021. Paris: International Association for Energy Economics (IAEE), 2021, p. 1-2..
Vilkinis P. [LEI], Šereika J. [LEI], Pedišius N. [LEI]. Proper orthogonal decomposition analysis of flow structure over triangular roughness elements In: Proceedings 15th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics (ATE-HEFAT2021), Virtual conference, 26-28 July 2021.. Amsterdam: American Society of Thermal and Fluids Engineers, 2021, p. 1877-1882. ISBN 978-1-77592-216-2 .
Pedišius N. [LEI], Praspaliauskas M. [LEI], Pedišius J. [LEI], Dzenajavičienė Farida E. [LEI]. Analysis of Wood Chip Characteristics for Energy Production in Lithuania In: Energies. Basel: MDPI, 2021, Vol. 14, 3931, p. 1-13. ISSN 1996-1073.
Jasinskas A., Skruodys J., Domeika R., Mieldažys J., Pedišius N. [LEI]. Investigation of physical-mechanical and energy properties of granulated cereal plant waste and ash obtained by incineration of produced biofuel In: Proceedings 20th International Scientific Conference Engineering for Rural Development. Jelgava: Latvia University of Life Sciences and Technologies Faculty of Engineering, 2021, Vol. 20, p. 1120-1126. Scopus, CROSSREF . ISSN 1691-5976.
Minajeva A., Jasinskas A., Domeika R., Vaiciukevičius E., Lemanas E. [LEI], Bielski S.. The Study of the Faba Bean Waste and Potato Peels Recycling for Pellet Production and Usage for Energy Conversion In: Energies. Basel: MDPI, 2021, Vol. 14, 2954, p. 1-14. ISSN 1996-1073.
Yousef S., Eimontas J. [LEI], Striūgas N. [LEI], Praspaliauskas M. [LEI], Abdelnaby M. A.. Pyrolysis Kinetic Behaviour of Glass Fibre-Reinforced Epoxy Resin Composites Using Linear and Nonlinear Isoconversional Methods In: Polymers. Basel: MDPI, 2021, Vol. 13, Iss. 10, 1543, p. 1-18. ISSN 2073-4360.
Li G., Knozowska K., Kujava J., Tonkonogovas A. [LEI], Stankevičius A. [LEI], Kujawski W.. Fabrication of Polydimethysiloxane (PDMS) Dense Layer on Polyetherimide (PEI) Hollow Fiber Support for the Efficient CO2/N2 Separation Membranes In: Polymers. Basel: MDPI, 2021, Vol. 3, No. 5, 756, p. 1-15. ISSN 2073-4360.
Lučinskas P., Deimantavičius M., Bartušis L., Žakelis R., Misiulis E. [LEI], Džiugys A. [LEI], Hamarat Y.. Human ophthalmic artery as a sensor for non-invasive intracranial pressure monitoring: numerical modeling and in vivo pilot study In: Scientific reports. London: Springer, 2021, Vol. 11, iss. 1, 4736, p. 1-10. ISSN 2045-2322.
Tilvikienė V., Cesevičienė J., Feizienė D., Lisauskas A. [LEI], Dzenajavičienė Farida E. [LEI]. Netradicinis žemės ūkio biomasės panaudojimas In: MANO ŪKIS . Kaunas: Lietuvos žemės ūkio konsultavimo tarnyba, 2021, Nr. 2, p. 34-37..
Pedišius N. [LEI], Dzenajavičienė Farida E. [LEI], Bakas R. [LEI], Jonynas R., Martinkus P.. Žemos temperatūros centralizuotas šilumos tiekimas In: Šiluminė technika . Vilnius: LIETUVOS ŠILUMOS TIEKĖJŲ ASOCIACIJA (LŠTA), LIETUVOS TERMOINŽINERIJOS ASOCIACIJA (LTERA), 2021, Nr. 3 (83), p. 13-18. ISSN 1392-4346.
Pedišius N. [LEI], Bertašienė A. [LEI]. Reproduction of air velocity in the entrance region of the test pipe in a wind tunnel In: Flow Measurement and Instrumentation . Oxford: Elsevier, 2021, Vol. 77, 101851, p. 1-7. Scopus . ISSN 0955-5986, eISSN 1873-6998.
Kulokas M. [LEI], Praspaliauskas M. [LEI], Pedišius N. [LEI]. Investigation of Buckwheat Hulls as Additives in the Production of Solid Biomass Fuel from Straw In: Energies. Basel: MDPI, 2021, Vol. 4 (2), 265, p. 1-10. ISSN 1996-1073.
Yousef S., Šereika J. [LEI], Tonkonogovas A. [LEI], Hashem T., Mohamed A.. CO2/CH4, CO2/N2 and CO2/H2 selectivity performance of PES membranes under high pressure and temperature for biogas upgrading systems In: Environmental technology & innovation. Amsterdam: Elsevier, 2021, vol. 21, 101339, p. 1-12. ISSN 2352-1864.

2020

Navakas R. [LEI], Džiugys A. [LEI], Misiulis E. [LEI], Skarbalius G. [LEI]. Applicability of Fuzzy Algorithms for Analysis of Motion in Granular Media In: AIP Conference Proceedings International Conference of Numerical Analysis and Applied Mathematics ICNAAM 2019. 2020, 2293, 420046, p. 1-5..
Praspaliauskas M. [LEI], Pedišius N. [LEI], Čepauskienė D. [LEI], Valantinavičius M. [LEI]. Study of chemical composition of agricultural residues from various agro-mass types In: Biomass Conversion and Biorefinery. Heidelberg: Springer, 2020, Vol. 10, p. 937-948. ISSN 2190-6815, eISSN 2190-6823.
Maknickas A., Skarbalius G. [LEI], Džiugys A. [LEI], Misiulis E. [LEI]. Nano-scale water Poiseuille flow: MD computational experiment In: AIP conference proceedings 4th Polish congress of mechanics and the 23rd International conference on computer methods in mechanics, September 8-12 2019, Krakow. Melville, NY: AIP Publishing, 2020, Vol. 2239, Iss. 1, 020029, p. 1-6. ISSN 0094-243X ISBN 978-0-7354-1998-8.
Praspaliauskas M. [LEI], Žaltauskaitė J., Pedišius N. [LEI], Striūgas N. [LEI]. Comprehensive evaluation of sewage sludge and sewage sludge char soil amendment impact on the industrial hemp growth performance and heavy metal accumulation In: Industrial Crops and Products. Amsterdam: Elsevier, 2020, Vol. 150, 112396, p. 1-13. ISSN 0926-6690.
Dikšaitytė A., Viršilė A., Žaltauskaitė J., Januškaitienė I., Praspaliauskas M. [LEI], Pedišius N. [LEI]. Do plants respond and recover from a combination of drought and heatwave in the same manner under adequate and deprived soil nutrient conditions? In: Plant Science. Clare: Elsevier, 2020, Vol. 291, 110333, p. 1-14. ISSN 0168-9452, eISSN 1873-2259.
Kujawski W., Li G., Van der Bruggen B., Pedišius N. [LEI], Tonkonogij J. [LEI], Tonkonogovas A. [LEI], Stankevičius A. [LEI], Šereika J. [LEI], Jullok N., Kujawa J.. Preparation and Characterization of Polyphenylsulfone (PPSU) Membranes for Biogas Upgrading In: Materials. Basel: MDPI, 2020, Vol. 13, Iss. 12, 2847, p. 1-22. ISSN 1996-1944.
Jasinskas A., Streikus D., Vonžodas T. [LEI]. Fibrous hemp (Felina 32, USO 31, Finola) and fibrous nettle processing and usage of pressed biofuel for energy purposes In: Renewable Energy. Oxford: Elsevier, 2020, Vol. 149, p. 11-21. ISSN 0960-1481.
Jeguirim M., Goddard M.-L., Tamošiūnas A. [LEI], Berrich-Betouche E., Azzaz A. A., Praspaliauskas M. [LEI], Jellali S.. Olive mill wastewater: From a pollutant to green fuels, agricultural water source and bio-fertilizer. Biofuel production In: Renewable Energy. Oxford: Elsevier, 2020, Vol. 149, p. 716-724. ISSN 0960-1481.
Kniuipytė I. [LEI], Praspaliauskas M. [LEI], Žaltauskaitė J., Dikšaitytė A.. Bioremediation Efficiency of Heavy Metal Contaminated Soil Using Earthworm Eisenia Fetida In: 11th International Conference “Environmental Engineering” Vilnius Gediminas Technical University Lithuania, 21–22 May 2020: Section: Environmental Protection and Water Engineering. Vilnius: VGTU, 2020, p. 1-8..
Jasinskas A., Minajeva A., Šarauskis E., Romaneckas K., Kimbirauskienė R., Pedišius N. [LEI]. Recycling and utilisation of faba bean harvesting and threshing waste for bioenergy In: Renewable Energy . Oxford: Elsevier, 2020, Vol. 162, p. 257-256. ISSN 0960-1481.
Džiugys A. [LEI], Bieliūnas M., Skarbalius G., Masiulis E., Navakas R. [LEI]. Simplified model of Covid-19 epidemic prognosis under quarantine and estimation of quarantine effectiveness In: Chaos, Solitons & Fractals . Oxford: Elsevier, 2020, Vol. 140, 110162, p. 1-11. Science Citation Index Expanded, Current Contents Physical, Chemical & Earth Sciences. ISSN 0960-0779, eISSN 1873-2887.
Yousef S., Eimontas J., Striūgas N. [LEI], Zakarauskas K. [LEI], Praspaliauskas M. [LEI], Abdelnaby M. A.. Pyrolysis kinetic behavior and TG-FTIR-GC–MS analysis of metallised food packaging plastics In: Fuel. Elsevier, 2020, Vol. 282, 118737, ISSN 0016-2361.
Vilkinis P. [LEI], Pedišius N. [LEI]. Analysis of reattachment length dynamics in cavities In: Experimental Thermal and Fluid Science. New York: Elsevier, 2020, Vol. 119, Article ID 110211, p. 1-8. ISSN 0894-1777.
Högström R., Heinonen M., Spazzini P. G., Kramer R., Busk J., Niederhauser B., Metaxiotou Z., Blom G., Kutin J., Stankevičius A. [LEI]. Comparison for gas flow range 5 ml/min to 30 l/min (EURAMET.M.FF-S10) FINAL REPORT In: Metrologia. Bristolis: IOP Publishing, 2020, Vol. 57, no. 1A, 07029, p. 1-94. ISSN 0026-1394.
Frahm E., Mickan B., Gulyuk V., Reut G., Zygmantas G. [LEI], Benkova M., Kayumov M.. Final report on supplementary comparison of national standards for liquid flow COOMETMFF-S2 (COOMET Project 406/UA/07) In: Metrologia. Bristolis: IOP Publishing, 2020, Vol. 57, Iss. 1A, 07023, p. 1-62. ISSN 0026-1394, eISSN 1681-7575.

2019

Skvorčinskienė R. [LEI], Striūgas N. [LEI], Navakas R. [LEI], Paulauskas R. [LEI], Zakarauskas K. [LEI], Vorotinskienė L. [LEI]. Thermal analysis of waste fishing nets for polymer recovery In: Waste and Biomass Valorization. Dordrecht: Springer, 2019, Vol. 10, No. 12, p. 3735-3744. ISSN 1877-2641, eISSN 1877-265X.
Yousef S., Eimontas J., Striūgas N. [LEI], Tatariants M., Abdelnaby M. A., Tučkutė S. [LEI], Kliučininkas L.. A sustainable bioenergy conversion strategy for textile waste with self-catalysts using mini-pyrolysis plant In: Energy Conversion and Management. Elsevier, 2019, Vol. 196, p. 688-704. ISSN 0196-8904.
Čepauskienė D. [LEI], Pedišius N. [LEI]. Mineralogical changes in ash of hemp and wheat straw at different ashing temperatures In: The 16th International Conference of Young Scientists on Energy Issues (CYSENI 2019) Kaunas, Lithuania, May 23-24, 2019. Kaunas: Lietuvos energetikos institutas, 2019, p. 7-12. ISSN 1822-7554.
Byčenkienė S., Konstantinavičiūtė I. [LEI], Plauškaitė K., Striūgas N. [LEI], Vonžodas T. [LEI], Sadeckas M. [LEI], Pedišius N. [LEI], Juodka R., Juška R., Juškienė V.. Country-specific emission factors for biomass combustion in residential and agriculture sectors In: Lithuanian Journal of Physics. Vilnius: Lithuanian Academy of Sciences, 2019, Vol. 59, No. 2, p. 113-120. ISSN 1648-8504.
Ramonas R., Jasinskas A., Minajeva A., Pedišius N. [LEI], Vonžodas N.. Pupų atliekų paruošimas ir naudojimas deginimui bei poveikio aplinkai įvertinimas In: Žmogaus ir gamtos sauga: mokslo straipsnių rinkinys. Kaunas: Vytauto Didžiojo universitetas, 2019, p. 66-70. ISSN 1822-1823, eISSN 2538-9122.
Kulokas M. [LEI], Zaleskas V. [LEI], Pedišius N. [LEI], Praspaliauskas M. [LEI], Buinevičius K.. Properties of biofuel fly ash and capabilities of its use for agricultural needs In: Agronomy research. 2019, Vol. 17, No. 2, p. 540-550. ISSN 1406-894X.

2018

Striūgas N. [LEI], Pedišius N. [LEI], Poškas R. [LEI], Valinčius V. [LEI]. Sewage sludge gasification with plasma processing In: Conference proceedings 5th International Conference on Renewable Energy Gas Technology . Toulouse, France: REGATEC, 2018, p. 129-130. ISBN 978-91-981149-4-2.
Sadeckas M. [LEI], Striūgas N. [LEI], Andriūnas P., Navakas R. [LEI], Praspaliauskas M. [LEI], Rabacal M., Costa M.. Spontaneous emission measurements of selected alkali radicals during the combustion of a single biomass pellet In: Energy fuels. Washinton, USA: American Chemical Society, 2018, Vol. 32 (10), p. 10132-10143. ISSN 0887-0624, eISSN 1520-5029.
Praspaliauskas M. [LEI], Pedišius N. [LEI], Striūgas N. [LEI]. Elemental Migration and transformation from sewage sludge to residual products during the pyrolysis process In: Energy Fuels. Washington, USA: ACS (American Chemical Society), 2018, Vol. 32, p. 5199-5208. ISSN 0887-0624.
Vilkinis P. [LEI], Pedišius N. [LEI]. Parametric analysis of recirculating flow dynamics in microcavity In: The 15th International Conference of Young Scientists on Energy Issues (CYSENI 2018) Kaunas, Lithuania, May 23-25, 2018. Kaunas: Lietuvos energetikos institutas, 2018, p. 353-359. ISSN 1822-7554.
Praspaliauskas M. [LEI], Žaltauskaitė J.. Hemp ability accumulate heavy metals from high level fertilized soil of sewge sludge and sewage sludge char In: The 15th International Conference of Young Scientists on Energy Issues (CYSENI 2018) Kaunas, Lithuania, May 23-25, 2018. Kaunas: Lietuvos energetikos institutas, 2018, p. 48-54. ISSN 1822-7554.
Čepauskienė D. [LEI], Pedišius N. [LEI]. Investigation of the effect of kaolin additive and different ashing temperature of agromass In: The 15th International Conference of Young Scientists on Energy Issues (CYSENI 2018) Kaunas, Lithuania, May 23-25, 2018. Kaunas: Lietuvos energetikos institutas, 2018, p. 35-39. ISSN 1822-7554.
Zaleskas V. [LEI], Kulokas M. [LEI], Pedišius N. [LEI]. Investigation of chemical composition of particulate matter emmited from small and medium scale biomass boilers In: The 15th International Conference of Young Scientists on Energy Issues (CYSENI 2018) Kaunas, Lithuania, May 23-25, 2018. Kaunas: Lietuvos energetikos institutas, 2018, p. 19-26. ISSN 1822-7554.
Ostasevičius V., Tretsyakou-Savich Y., Venslauskas M., Bertašienė A. [LEI], Minchenya V., Chernoglaz P.. Adaptation of cardiovascular system stent implants In: Biomedical Engineering / Biomedizinische Technik. Berlin/Boston: Walter de Gruyter GmgH, 2018, Vol. 63, Iss. 3, p. 279-290. ISSN 0013-5585.
Vilkinis P. [LEI], Pedišius N. [LEI], Valantinavičius M. [LEI]. Investigation of flow dynamics over transitional-type microcavity In: Journal of Fluids Engineering. New York: ASME, 2018, Vol. 140, Iss. 7, p. 1-7. ISSN 0098-2202.
Praspaliauskas M. [LEI], Pedišius N. [LEI], Gradeckas A.. Accumulation of heavy metals in stemwood of forest tree plantations fertilized with different sewage sludge doses In: Journal of Forestry Research. Berlin Heidelberg: Springer, 2018, Vol. 29, Iss. 2, p. 347-361. ISSN 1007-662X.
Poškas R. [LEI], Sirvydas A. [LEI], Poškas P. [LEI], Jouhara H., Striūgas N. [LEI], Pedišius N. [LEI], Valinčius V. [LEI]. Investigation of warm gas clean-up of biofuel flue and producer gas using electrostatic precipitator In: Energy. Oxfordas: Elsevier, 2018, Vol. 143, p. 943-949. ISSN 0360-5442.
Poškas R. [LEI], Sirvydas A. [LEI], Poškas P. [LEI], Jouhara H., Striūgas N. [LEI], Pedišius N. [LEI], Valinčius V. [LEI]. Investigation of warm gas clean-up of biofuel flue and producer gas using electrostatic precipitator In: Energy. 2018, Vol. 143, p. 943-949. ISSN 0360-5442.

2017

Streikus D., Jasinskas A., Domeika R., Čekanauskas S., Pedišius N. [LEI], Vonžodas T. [LEI], Annuk A.. Evaluation of giant knotweed and miscanthus as perspective energy plants and assessment of produced biofuel quality indicators In: Proceedings of the 8th International Scientific Conference Rural Development 23-24 d. 2017. Kaunas: Aleksandro Stulginskio universitetas, 2017, p. 448-452. ISSN 1822-3230, eISSN 2345-0916.
Praspaliauskas M. [LEI], Pedišius N. [LEI]. A review of sludge characteristics in Lithuania’s wastewater treatment plants and perspectives of its usage in thermal processes In: Renewable and Sustainable Energy Reviews. Elsevier, 2017, p. 899-907. ISSN 1364-0321.
Poškas R. [LEI], Sirvydas A. [LEI], Poškas P. [LEI], Striūgas N. [LEI], Pedišius N. [LEI], Valinčius V. [LEI]. Investigation of the biofuel flue and producer gases cleaning efficiency using ESP In: E3S Web of Conferences. 7 November 2017. Didžioji Britanija . EDP Sciences, 2017, Vol.22, p. 1-7..
Striūgas N. [LEI], Valinčius V. [LEI], Pedišius N. [LEI], Poškas R. [LEI], Zakarauskas K. [LEI]. Investigation of sewage sludge treatment using air plasma assisted gasification In: Waste Management. 2017, Vol. 64, p. 149-160. ISSN 0956-053X.
Pedišius N. [LEI], Škėma R. [LEI], Vrubliauskas S. [LEI], Dzenajavičienė Farida E. [LEI]. ES Interreg programos projekto „Baltijos regiono energetikos rajonavimas – planavimo perspektyvos (BEA-APP)“ vykdymo eiga ir uždaviniai In: Energetika (Kronika). Vilnius: Lietuvos mokslų akademija, 2017, T. 63, Nr. 1, p. xi-xiii. ISSN 0235-7208.
Pedišius N. [LEI], Škėma R. [LEI], Vrubliauskas S. [LEI], Dzenajavičienė Farida E. [LEI]. Atsinaujinančius išteklius naudojančių energetikos objektų planavimas regioniniu lygiu In: Šiluminė technika. Vilnius: Lietuvos šilumos tiekëjų (LŠTA) ir Lietuvos šiluminës technikos inžinierių (LŠTIA) asociacijų žurnalas, 2017, Nr. 1 (70), p. 21-22. ISSN 1392-4346.
Pachinger D., De Huu M., Mueller H., Care I., Frederiksen J., Piccato A., Bertašienė A. [LEI]. EURAMET project No. 1225: Intercomparison of very low air speed standard facilities (0.05-1m/s) (Final report) In: Metrologija. Austrija: 2017, Vol. 54, p. 1-22. ISSN 1681-7575 (Online), 0026-1394 (Print).
Valantinavičius M. [LEI], Čepauskienė D. [LEI]. Experimental study on ash fusion characteristics of agromass and woody biomass In: The 14th International Conference of Young Scientists on energy Issues (CYSENI 2017), Kaunas, Lithuania, May 25-26, 2017. Kaunas: Lietuvos energetikos institutas, 2017, p. 22-29. ISSN 1822-7554.
Zaleskas V. [LEI], Pedišius N. [LEI]. Investigation of particulate matter emmited from small and medium scale boilers size distribution In: The 14th International Conference of Young Scientists on energy Issues (CYSENI 2017), Kaunas, Lithuania, May 25-26, 2017. Kaunas: Lietuvos energetikos institutas, 2017, p. 38-44. ISSN 1822-7554.
Vilkinis P. [LEI], Pedišius N. [LEI]. Investigation of pulsating flow in open-type microcavity In: The 14th International Conference of Young Scientists on energy Issues (CYSENI 2017), Kaunas, Lithuania, May 25-26, 2017. Kaunas: Lietuvos energetikos institutas, 2017, p. 308-315. ISSN 1822-7554.
Venslauskas M., Ostasevičius V., Vilkinis P. [LEI]. Influence of low-frequency vibrations on blood flow improvement in human’s limbs In: Bio-Medical Materials and Engineering. 2017, Vol. 28, No. 2, p. 117-130. ISSN 0959-2989.

2016

Praspaliauskas M. [LEI]. Posibilities of anaerobic digested sewage sludge thermal utilization in Lithuania In: 13th Annual international conference of young scientists on energy issues (CYSENI 2016), Kaunas, Lithuania, May 26–27, 2016. Kaunas: LEI, 2016. Kaunas: Lietuvos energetikos institutas, 2016, p. 107-113. ISSN 1822-7554.
Zaleskas V. [LEI], Valaitis D.. Analysis of precipitated particles in esp and cyclones of small and medium scale boilers In: 13th Annual international conference of young scientists on energy issues (CYSENI 2016), Kaunas, Lithuania, May 26–27, 2016. Kaunas: LEI, 2016. Kaunas: Lietuvos energetikos institutas, 2016, p. 311-316. ISSN 1822-7554.
Vonžodas T. [LEI]. The application of agricultural waste and recycling products for small and medium scale boilers In: 13th Annual international conference of young scientists on energy issues (CYSENI 2016), Kaunas, Lithuania, May 26–27, 2016. Kaunas: LEI, 2016. Kaunas: Lietuvos energetikos institutas, 2016, p. 297-304. ISSN 1822-7554.
Čepauskienė D. [LEI], Pedišius N. [LEI], Valantinavičius M. [LEI]. Kuro, gaminamo iš medienos ir agromasės, pelenų lydumo tyrimas In: Šilumos energetika ir technologijos-2016: konferencijos pranešimų medžiaga, Kauno technologijos universitetas, 2016 sausio 28-29 . Kaunas: Lietuvos energetikos institutas, 2016, p. 73-79. ISSN 2335-2485.
Valančienė E., Miknius L., Pedišius N. [LEI]. The influence of zeolite catalyst on kinetics and thermodynamics of polypropylene waste thermal degradation In: Journal of Thermal Analysis and Calorimetry. Nyderlandai, Dordrecht: Springer, 2016, Vol. 124, Iss. 1, p. 341-354. ISSN 1388-6150.
Pedišius A. [LEI], Tonkonogij J., Pedišius N. [LEI], Zygmantas G. [LEI], Stankevičius A. [LEI], Tonkonogovas A. [LEI], Bertašienė A. [LEI], Maslauskas E. [LEI], Vilkinis P. [LEI]. Skysčio ir dujų srautų dinamikos kanaluose tyrimai tūrio, debito ir greičio matavimų tikslumui didinti In: Energetika. Vilnius: Lietuvos mokslų akademija, 2016, T. 62, Nr. 3, p. 189-205. ISSN 0235-7208.
Vilkinis P. [LEI], Valantinavičius M. [LEI], Pedišius N. [LEI]. Investigation of fluid flow structure in open type cavity under stationary and pulsatile flow conditions In: Energetika. Vilnius: Lietuvos mokslų akademija, 2016, T. 62, Nr. 1-2, p. 37-44. ISSN 0235-7208.
Pedišius N. [LEI], Praspaliauskas M. [LEI], Valantinavičius M. [LEI], Vonžodas T. [LEI], Zaleskas V. [LEI], Lemanas E. [LEI], Čepauskienė D. [LEI]. Biokuro savybių ir juo kūrenamų mažos bei vidutinės galios įrenginių efektyvumo ir taršos parametrų tyrimai In: Energetika. Vilnius: Lietuvos mokslų akademija, 2016, T. 62, Nr. 4, p. 268-281. ISSN 0235-7208.
Varnagiris Š. [LEI], Duonėlienė J., Tučkutė S. [LEI], Vonžodas T. [LEI], Lelis M. [LEI], Milčius D. [LEI]. Incorporation of particles into the bulk of expanded polystyrene foam using physical vapour deposition technologies In: Energetika. Vilnius: Lietuvos mokslų akademija, 2016, T. 62, Nr. 1-2, p. 28-36. ISSN 0235-7208.

2015

Praspaliauskas M. [LEI], Pedišius N. [LEI]. Heavy metals concentration in stemwood of energetic trees fertilized with sewage sludge In: 12th Annual international conference of young scientists on energy issues (CYSENI 2015), Kaunas, Lithuania, May 27–28, 2015. Kaunas: Lietuvos energetikos institutas, 2015, p. 110-117. ISSN 1822-7554.
Praspaliauskas M. [LEI], Pedišius N. [LEI]. Nuotekų dumblo Lietuvos vandenvalos sistemose savybių tyrimas In: Šilumos energetika ir technologijos - 2015: konferencijos pranešimų medžiaga, Kauno technologijos universitetas, 2015 sausio 29-30 . Kaunas: Kauno technologijos universitetas, 2015, p. 19-26. ISSN 2335-2485.
Striūgas N. [LEI], Pedišius N. [LEI], Poškas R. [LEI], Valinčius V. [LEI]. Development of innovative thermal decomposition technology and its application for utilization of sewage sludge In: 23rd European Biomass Conference and Exhibition (Session 2CO.2.3) . Vienna: 2015, p. 546-549. ISBN 978-88-89407-516.
Vilkinis P. [LEI], Pedišius N. [LEI], Valantinavičius M. [LEI]. Vandens tekėjimo mikrokanale tyrimas dalelių vizualizacijos metodu In: Energetika. Vilnius: Lietuvos mokslų akademija, 2015, Vol. 61, Nr. 2, p. 57-70. ISSN 0235-7208.
Praspaliauskas M. [LEI], Pedišius N. [LEI], Valantinavičius M. [LEI]. Perspectives of sewage sludge usage for energy production in Lithuania In: Proceedings of the 7th Baltic heat transfer conference. Tallinn, Estonia August 24-26, 2015. Tallin: Talino technologijos universitetas, 2015, p. 273-278. ISBN 978-9949-23-817-0.
Tonkonogij J. [LEI], Pedišius N. [LEI], Stankevičius A. [LEI], Tonkonogovas A. [LEI]. Mažos ir vidutinės galios kietuoju kuru kūrenamų įrenginių kietųjų dalelių emisijų tyrimas In: Energetika. Vilnius: Lietuvos mokslų akademija, 2015, T. 61, Nr. 3-4, p. 119-130. ISSN 0235-7208.
Pedišius N. [LEI], Zygmantas G. [LEI], Maslauskas E. [LEI]. Influence of Gas and Liquid Viscosity on Turbine and Positive Displacement Meters Calibration In: 17 International Congress of Metrology. Paris, France 21-24 September. EDP Sciences, 2015, p. 1-6..
Tonkonogij J. [LEI], Stankevičius A. [LEI], Bertašienė A. [LEI], Tonkonogovas A. [LEI]. The new method for calibration and testing of the bell type prover In: 17 International Congress of Metrology. Paris, France 21-24 September. EDP Sciences, 2015, p. 1-3..
Valančienė E., Miknius L., Pedišius N. [LEI]. The influence of zeolite catalyst on polypropylene waste thermal decomposition kinetics and thermodynamics In: International Conference of Lithuanian Chemical Society Chemistry and Chemical Technology . Vilnius: Vilniaus universitetas, 2015, p. 347-349. ISBN 978-609-459-461-8.

2012

Dementjev A., Murauskas E., Slavinskis N., Navakas R. [LEI], et al. Control of the repetition rate and reduction of the jitter of the pulses of passively Q-switched solid-state miniature lasers using periodic diode-pump modulation In: Quantum electronics. 2012, Vol. 42, No. 5, p. 437-446. ISSN 1063-7818.

Projects

International projects

Seventh Framework Programme (FP7)

1

Main objective of the Researcher night 2011 is to enhancing public recognition of researchers and their work, through bringing public and researchers closer to one other, tackling theMore

Fifth Framework Programme (FP5)

1

Standards are seen as a major measure to develop the markets for solid bio fuels to achieve the environmental, social and agricultural goals of the Commission. On this background the More

Interreg

1

To compensate the variability and non-controllability of seasonally generated renewable energy (RES) (daily fluctuations in solar radiation intensity, wind speed, etc.) development ofMore

2

The project PV4All develops models and advisory services for companies, organisations and individuals to overcome challenges and barriers in the uptake of small-scale photovoltaic sysMore

3

LowTemp 2.0 trained district heating stakeholders to improve their skills in reducing energy waste. Project summary Modernisation of district heating systems (DHS) is in full swMore

4
BEA-APP project logo thumbnail

In the project "Baltic Energy Areas – A Planning Perspective" (BEA-APP) 11 partners from eight countries around the Baltic Sea cooperate to support the transition towards low-carbon eMore

5

Bioenergy Promotion 1 (2009-2012) Key outcomes and lessons from the Main stage project Bioenergy Promotion (2009-2012). During the period 2009-2011 the consortium behind the BioeneMore

6

The Baltic Sea Region, with its agricultural and forest resources, has great potential to fulfil EU objectives for biomass heat, power and fuel production. However, sustainable bioeneMore

COST

1
COST actions logo
Ongoing
12.05.2023 - 03.10.2027

Particle-based simulations model diverse materials including sand, food grains, pharmaceutical products, ceramic powders and bulk materials, amongst others. Discrete Element Method (DMore

2

Conscious experience is central to our existence, and although important advances have been made in our scientific understanding of the phenomenon, radically different theories are stMore

Other international projects

1

The BIORET project is about sustainable heat and electricity production in the Baltic Sea region. It will focus on the creation of a transnational network for knowledge and experienceMore

2

PROJECT CODE: BI-LT/20-22-002 PROJECT TITLE: Understanding hygroscopic properties of wood through multiscale modelling (HYGRO-WOOD) PROJECT LEADER: Veerapandian Ponnuchamy, More

Projects in Lithuania

EU Structural Funds

1
2014–2020 ES fondų investicijų ženklas

UAB „AXIS Tech“ AXIS Tech, together with its partner Lithuanian Energy Institute, are implementing the project "AXIS Tech R&D activities for the development of innovative solutions More

2
2014–2020 ES fondų investicijų ženklas

UAB Enerstena together with its partner Lithuanian Energy Institute (LEI) and Kaunas University of Technology (KTU) is implementing the project "Multifunctional Biomass Energy TechnolMore

3
ES fondų investicijos 2014-2020 m.

On 7 February 2018, the Lithuanian Energy Institute (LEI) and the public institution Central Project Management Agency (CPVA) signed a contract for the implementation of the projeMore

4

The potential of different types of biofuels produced from agricultural waste and recycling products, such as straw, straw mixtures, non-food grains, is considerable in Lithuania, reaMore

Research Council of Lithuania projects

1
Lietuvos mokslo taryba

Grant agreement No. P-SV-22-173 funded by the Lithuanian Research Council (LMT)'s "Students' summertime research practice" call. Duration 4 July, 2022 – 31 August, 2022. scientific More

2
Lietuvos mokslo taryba

Micro- and nano-scale structures are used in a wide range of lab-on-a-chip, micro-total-analysis-systems and MEMS devices, where particle flow control plays an important role. One of More

Personnel

Name, surname Position Office phone. e-mail
Gediminas Zygmantas Acting Head (Research associate) 202-LK +37037401861 Gediminas.Zygmantas@lei.lt
Gediminas Ardzijauskas Engineer metrologist 209-LK +37037401844
Agnė Bertašienė Junior research associate 328/1-AK +37037401865 Agne.Bertasiene@lei.lt
Andrius Bončkus Junior research associate 202-LK +37037401861 Andrius.Bonckus@lei.lt
Inga Briliūtė Junior research associate 207/1-LK +37037401971 Inga.Briliute@lei.lt
Deimantė Čepauskienė PhD student + Junior research associate 87,88-BRK +37037401951 Deimante.Cepauskiene@lei.lt
Aldevinas Damarodas Lathe operator 34-BRK +37037401868
Severinas Damašauskas Technitian LK-201 +37037401860
Eugenija Farida Dzenajavičienė Research associate 207-LK +37037401935 Farida.Dzenajaviciene@lei.lt
Algis Džiugys Chief research associate 118-AK +37037401874 Algis.Dziugys@lei.lt
Vytautas Gipas Engineer 214-LK +37037401859 Vytautas.Gipas@lei.lt
Artūras Grubas Engineer 87-BRK +37037401951 Arturas.Grubas@lei.lt
Algirdas Jasinskas Chief Research Associate Algirdas.Jasinskas@lei.lt
Audrius Kaminskas Engineer 208-LK +37037401860
Kazimieras Kapočius Engineer 214-LK +37037401859 Kazimieras.Kapocius@lei.lt
Tadas Kleveckas Metrology engineer 203-LK +37037401862 Tadas.Kleveckas@lei.lt
Inesa Kniuipytė Junior Research Associate 87/88-BRK Inesa.Kniuipyte@lei.lt
Mindaugas Kulokas Junior research associate 205-LK +37037401864 Mindaugas.Kulokas@lei.lt
Gražina Leonarda Kurševičienė Lab administrator 204-LK +37037401863 Grazina.Kurseviciene@lei.lt
Egidijus Lemanas Junior research associate 89-BRK +37037401825 Egidijus.Lemanas@lei.lt
Vytautas Makūnas Machinist 34-BRK +37037401868
Eugenijus Maslauskas Junior research associate 214-LK +37037401859 Eugenijus.Maslauskas@lei.lt
Rimas Meištininkas PhD student 206-LK Rimas.Meistininkas@lei.lt
Edgaras Misiulis Senior research associate 211-LK +37037401993 Edgaras.Misiulis@lei.lt
Mindaugas Mockevičius Junior research associate 202-LK +37037401861 Mindaugas.Mockevicius@lei.lt
Robertas Navakas Senior research associate 210-LK +37037401851 Robertas.Navakas@lei.lt
Julija Pauraitė-Dudek Postdoctoral Researcher
Justinas Pedišius Junior research associate 87-BRK +37037401951 Justinas.Pedisius@lei.lt
Antanas Pedišius Task Coordinator 303/2-AK +37037401845 Antanas.Pedisius@lei.lt
Rita Petlickaitė PhD student 206-LK Rita.Petlickaite@lei.lt
Marius Praspaliauskas Senior research associate 87-BRK +37037401951 Marius.Praspaliauskas@lei.lt
Gediminas Skarbalius Junior research associate 211-LK +37037401993 Gediminas.Skarbalius@lei.lt
Arūnas Stankevičius Research Associate 203-LK +37037401862 Arunas.Stankevicius@lei.lt
Justas Šereika PhD student + Junior Research Associate 213-LK +37037401849 Justas.Sereika@lei.lt
Andrius Tonkonogovas Research associate 203-LK +37037401862 Andrius.Tonkonogovas@lei.lt
Arvydas Tumosa Engineer 119-LK +37037401880
Darius Vainorius Postdoctoral Researcher 206-LK Darius.Vainorius@lei.lt
Janina Vaitasienė Engineer metrologist 303-AK +37037401971 Janina.Vaitasiene@lei.lt
Irena Vaškevičienė Engineer 89-BRK +37037401825 Irena.Ramanauskaite@lei.lt
Audrius Vilkinis Engineer 19-BRK +37037401869 Audrius.Vilkinis@lei.lt
Paulius Vilkinis Senior Research Associate 212-LK +37037401852 Paulius.Vilkinis@lei.lt
Audronė Vitkauskienė Engineer 328/1-AK +37037401865 Audrone.Vitkauskiene@lei.lt
Tomas Vonžodas Junior research associate 89-BRK +37037401825 Tomas.Vonzodas@lei.lt
Stanislovas Vrubliauskas Project administrator Stanislovas.Vrubliauskas@lei.lt
Vladas Zaleskas Junior research associate 205-LK +37037401864 Vladas.Zaleskas@lei.lt
Jūratė Žaltauskaitė Senior research associate Jurate.Zaltauskaite@lei.lt

Services

Preparation of solid fuel and calorific waste samples
The preparation of solid and calorific waste and soft, hard, elastic and fibrous materials of  0,25 ÷ 20 mm fractions. Compression of crushed materials into  suitable samples for analysis. Ensuring proper working conditions while mineralizing the samples. Preparation of deionised water for mineralization of samples.
Measurements of parameters (T, p, Δp, v)
Measurements of temperature, pressure, differential pressure and speed, measurement data collection and recording.
Determination of Cl, F, Br concentrations in the fuel
The determination of the Cl, F, Br concentration in the fuel in order to assess possible environmental pollution with harmful elements and evaluation of fuel quality indicators.
Investigations of Biofuel Pellet Furnaces
Research of furnaces up to 25 kW fired with biofuel pellets.
Study of the separation of synthetic gas phase from the solid biofuels and refinery fuel in the reactor and further sudy of their parameters and use
Scientific research on solid fuel gasification in order to find wider applications or to improve quality.
Analysis of the melting state of the ash
It is intended to analyze the ash melting state and conditions and to visualize how the softening and melting processes of ash take place, depending on the temperature or  variation of its gradient value.
Investigation of Flow Structure and Processes in Microsystems (Capillaries, Structured Membrane and Catalyst Surfaces)
Investigations of low velocity liquid and gas dynamics at surfaces, membranes and various microelements, surface contamination, motion and mass transfer processes in capillary systems.
Analysis of heat production from natural, pyrolysis, liquefied gases, biogas and mixtures of those gases
Identification and analysis of upper and lower heating values of gaseous fuels, including biofuels and recovered fuels. Determination and analysis of upper and lower heating values of other calorific materials (eg sewage sludge, waste, etc.).
Visualization and Measurement of Distribution of Heat Flows
Measurement and visualization of heat flux from surfaces for determination of heat loss, its location, insulation efficiency.
Measurement of Fluid Flow and Speed in the Pipelines
Measurement of liquid flow and speed in the pipelines through a transparent window in case of scientific research and operating conditions.
Determination of smoke components
Determination of composition of combustion products (CO, CO2, NO, NOx, CiHy, O2, SO2) for the evaluation of the efficiency of thermal equipment, fuel combustion rate, emissions to environment under research and operational conditions; optimization of device operating regimes.
Determination and analysis of low concentration elements in fuels
Determination of fuel elements in order to assess the fuel quality indicators and possible environmental pollution with harmful elements.
Measurements of air velocity and its pulsations
Measurement of air flow characteristics in scientific research and practical applications.
Sample weighing of solid and liquid fuels, including biofuels and recovered fuels, during the analysis of fuel humidity and ash content
Precise measurements of fuel humidity and ash content, assessment of fuel quality indicators and combustion rate.
Non-invasive fluid (heat carrier) flow measurement
Non-invasive measurements of flow rates in pipelines (25 ... 1500 mm) under laboratory and operational conditions.
Analysis of key chemical elements of solid and liquid fuels, including biofuels and recovered fuels
The determination of the chemical elements C/H/N/S and O in the fuel, evaluation of its qualitative and quantitative indicators.
Determination of components in combustion products
The determination of composition (CO, CO2, NO, NOx, CiHy, O2, SO2) of combustion products for the evaluation of the efficiency of thermal equipment, fuel combustion and emissions to the environment.
The investigations of the movement of particulates in macroflows of liquids and gases and the interaction of flows with surfaces and flow around bodies. Visualization of mixing flows in the channels.
The scientific research of visualization of the internal flow structures in the channels and flow aroud of various bodies and surfaces.
Measurements of very small air (gas) flows. Flow measurements through membranes.
The measurements of air (gases) volumes transmitted through membranes, filters, dosing devices; volumetric calibration.
Determination of calorific value and analysis of solid and liquid fuels, including biofuels and recovered fuels
The determination of the upper and lower calorific values and analysis of solid and liquid fuels, including biofuels and recovered fuels.