Position:
Head (Chief research associate)
Room number:
318-AK
Phone number:
+37037401926
Email:
The person is no longer employed at the Institute
Publications
Scientific article
2020
Graževičius A. [LEI], Kaliatka A. [LEI], Ušpuras E. [LEI].
Numerical investigation of two-phase natural convection and temperature stratification phenomena in a rectangular enclosure with conjugate heat transfer
In: Nuclear Engineering and Technology. Daejeon: Elsevier, 2020, Vol. 52, Iss. 1, p. 27-36. ISSN 1738-5733.
2019
Kaliatka A. [LEI], Ušpuras E. [LEI].
Heat removal from RBMK reactor core using non-regular means
In: Nuclear Engineering and Design. Elsevier, 2019, Vol. 354, 110165, p. 1-13. ISSN 0029-5493.
2018
Valinčius M. [LEI], Kaliatka T. [LEI], Kaliatka A. [LEI], Ušpuras E. [LEI].
Modelling of severe accident and in-wessel melt retention possibilities in BWR type reactor
In: Science and Technology of nuclear Installations. London, England: Hindawi, 2018, Vol. 2018, p. 1-14. ISSN 1687-6075.
Babilas E. [LEI], Dokucajev P., Janulevičius D., Markelov A., Pabarčius R. [LEI], Rimkevičius S. [LEI], Ušpuras E. [LEI], Vaišnoras M. [LEI].
Innovative technologies for spent fuel safe management at Ignalina channel-type reactors
In: Nuclear engineering and technology. Daejeon, South Korea: Korean Nuclear Society, Published by Elsevier Korea LLC, 2018, Vol. 50, Iss. 3, p. 504-511. ISSN 1738-5733.
2016
Ušpuras E. [LEI], Rimkevičius S. [LEI], Urbonavičius E. [LEI], Kaliatka A. [LEI], Dundulis G. [LEI], Alzbutas R. [LEI], Stankūnas G. [LEI], Vaišnoras M. [LEI], Vileiniškis V. [LEI], Povilaitis M. [LEI], Kaliatka T. [LEI], Janulionis R. [LEI], Karalevičius R. [LEI], Voronov R. [LEI], Iešmantas T. [LEI], Kačegavičius T. [LEI].
Branduolių sintezės tyrimai Lietuvos energetikos institute
In: Energetika. Vilnius: Lietuvos mokslų akademija, 2016, T. 62, Nr. 3, p. 102-123. ISSN 0235-7208.
2015
Ušpuras E. [LEI], Rimkevičius S. [LEI], Kaliatka A. [LEI].
Application of the Best–Estimate Approach for the NPP Licensing Process
In: International Journal of Contemporary ENERGY. 2015, Vol. 1, No. 2, p. 1-12. ISSN 2363-6440 .
Ušpuras E. [LEI], Rimkevičius S. [LEI], Babilas E. [LEI].
Licensing documentation and licensing process for dismantling and decontamination projects in Lithuania
In: Progress in Nuclear Energy. Oxford: Elsevier, 2015, Vol. 84, p. 41-49. ISSN 0149-1970.
Kaliatka T. [LEI], Ušpuras E. [LEI], Kaliatka A. [LEI].
Modelling of Water Ingress into Vacuum Vessel Experiments Using RELAP5 Code
In: Journal of Fusion Energy. New York: Springer, 2015, Vol. 34, No. 2, p. 216-224. ISSN 0164-0313.
Babilas E. [LEI], Ušpuras E. [LEI], Rimkevičius S. [LEI], Dundulis G. [LEI], Vaišnoras M. [LEI].
Safety Assessment of Low-Contaminated Equipment Dismantling at Nuclear Power Plants
In: Science and Technology of Nuclear Installations. Hindawi, 2015, Vol. 2015, p. 1-11. ISSN 1687-6075.
Marao A., Kaliatka T. [LEI], Kaliatka A. [LEI], Ušpuras E. [LEI].
Adaptation of the FEMAXI-6 code and RBMK fuel rods model testing employing the best estimate approach
In: Kerntechnik. Vol. 75, Iss. 3, p. 72-80. ISSN 0932-3902.
Conference paper
2018
Kaliatka A. [LEI], Kaliatka T. [LEI], Vileiniškis V. [LEI], Ušpuras E. [LEI].
Best Estimate Approach for the Simulation of Reactor Core Overheating and Quenching Experiments
In: Best Estimate Plus Uncertainty International Conference. Multi-Physics Multi-Scale Simulations with Uncertainty (BEPU 2018) May 13-18, 2018. Lucca, Italy: 2018, p. 1-12..
Kaliatka A. [LEI], Ušpuras E. [LEI].
Application of the BE Approach for the Analysis of Design and Beyond Design Basis Accidents
In: Best Estimate Plus Uncertainty International Conference. Multi-Physics Multi-Scale Simulations with Uncertainty (BEPU 2018) May 13-18, 2018 . Lucca, Italy: 2018, p. 1-12..
2017
Van Dorsselaere J.P., Barrachin M., Millington D., Adorni M., Hrehor M., Macari F., Schaffrath A., Tiselj I., Ušpuras E. [LEI], Yamamoto E., Gumenyuk D., Fedotova N., Cronvall O., Liska P..
Summary of ETSON strategic orientations on research activities. ETSON Research Group activity
In: Proceedings of the EUROSAFE Forum 2017 Paris, 6 and 7 November 2017. Prancūzija: IRSN, 2017, p. 121-132. ISBN 978-2-9545237-8-1.
Kaliatka T. [LEI], Ušpuras E. [LEI], Kaliatka A. [LEI].
Analysis of Station Blackout Accident in ABWR Reactor
In: 17th International Topical Meeting on Nuclear Reactor Thermalhydraulics” (NURETH-17) September 3-8, 2017 Kinija . Sianas: 2017, p. 1-1..
Kaliatka T. [LEI], Ušpuras E. [LEI], Kaliatka A. [LEI].
Application of BE approach for the different nuclear fission and fusion facilities
In: 17th International Topical Meeting on Nuclear Reactor Thermalhydraulics” (NURETH-17) September 3-8, 2017. Kinija. Sianas: 2017, p. 1-1..
2016
Kaliatka A. [LEI], Kaliatka T. [LEI], Ušpuras E. [LEI], Mochizuki H..
Modelling of critical heat flux phenomenon in the boiling water reactors
In: Proceedings of the 11th International Conference of the Croatian Nuclear Society Zadar, Croatia, 5-8 June 2016. . Zagreb, Croatia: Croatian Nuclear Society, 2016, p. 1-10. ISBN 978-953-55224-8-5 (USB).
2015
Kaliatka A. [LEI], Vileiniškis V. [LEI], Ušpuras E. [LEI].
Analysis of heat removal accidents during the wet storage phase in Ignalina nuclear power plant
In: The 26th international symposium on transport phenomena . Leoben, Austria: 2015, p. 1-8..
Kaliatka T. [LEI], Ušpuras E. [LEI], Kaliatka A. [LEI].
Integrated assessment of thermal hydraulic processes in W7-X fusion experimental facility
In: The 16th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-16). Chicago, IL, USA: 2015, p. 6517-6529..
Žutautaitė I. [LEI], Ušpuras E. [LEI], Rimkevičius S. [LEI], Eid M., Rekašius T..
Integrated probabilistic assessment of failure of natural gas pipeline
In: Proceedings of the 48th ESReDA Seminar Critical Infrastructures Preparedness: Status of Data for Resilience Modelling, Simulation and Analysis. Wroclaw, Poland: 2015, p. 1-12..
Jokšas B., Augutis J., Ušpuras E. [LEI], Urbonas R. [LEI].
The aggregate energy sector criticality risk assessment
In: Proceedings of the 48th ESReDA Seminar Critical Infrastructures Preparedness: Status of Data for Resilience Modelling, Simulation and Analysis. Wroclaw, Poland: 2015, p. 1-12..
Popular science article
2020
Babilas E. [LEI], Pabarčius R. [LEI], Vaišnoras M. [LEI], Ušpuras E. [LEI], Rimkevičius S. [LEI], Šeporaitis M. [LEI], Tonkūnas A. [LEI].
LEI activities in the EU projects directed to support the Regulatory Body of Iraq
In: Energetika. Vilnius: Lietuvos mokslų akademija, 2020, T. 66, Nr. 1, p. i-ii. EBSCO (Academic Search Complete), INSPEC, Index Copernicus, SCOPUS, VINITI, Ulrich's Web . ISSN 0235-7208, eISSN 1822-8836.
2019
Pabarčius R. [LEI], Babilas E. [LEI], Ušpuras E. [LEI].
LEI activities as ETSON Consortium member in EC project
In: Energetika (Kronika). 2019, Vol. 65, No. 4, p. 8-9. ISSN 0235-7208.
2018
Ušpuras E. [LEI], Minkevičius A. [LEI].
Kontroliuojama branduolių sintezė
In: Lietuvos mokslų akademijos žinios. Vilnius: Lietuvos mokslų akademija, 2018, Nr. 3 (85), p. 17-17. ISSN 2029-5707.
Ušpuras E. [LEI], Pabarčius R. [LEI], Slavickas A. [LEI].
GEMINI Plus project for HTGR nuclear cogeneration demonstration
In: Energetika (Kronika). Vilnius: Lietuvos mokslų akademija, 2018, Vol. 64, Nr. 1, p. 2-3. ISSN 0235-7208, eISSN 1822-8836.
2016
Ušpuras E. [LEI].
Paryžiaus susitarimai dėl klimato kaitos: ką jie reiškia Lietuvai ir visai energetikai
In: technologijos.lt/Energija ir energetika (el. portalas). 2016-01-13. 2016, internetinė prieiga: http://www.technologijos.lt/n/technologijos/energija_ir_energetika/S-52357/straipsnis/Paryziaus-susitarimai-del-klimato-kaitos-ka-jie-reiskia-Lietuvai-ir-visai-energetikai..
2015
Ušpuras E. [LEI].
SAM guides for Ignalina: concrete benefits derived from SARNET
In: EUROSAFE Tribune. Media Cologne, Hürth: GRS & IRSN, 2015, No. 28, p. 21-21. ISSN 1634-7676.
International projects
Horizon 2020
1
Completed
01.10.2015 - 30.09.2019
The FASTNET project is a four-years European project funded by the Euratom Research and Training Programme 2014-2018. This project has received funding from the Euratom research and tMore
2
Completed
01.07.2015 - 30.06.2020
INCEFA-PLUS delivers new experimental data and new guidelines for assessment of environmental fatigue damage to ensure safe operation of European nuclear power plants. Austenitic sMore
3
Completed
01.07.2015 - 30.06.2018
The region of the European Union around the Baltic sea especially the countries Estonia, Latvia and Lithuania are not adequately integrated to the European electricity grid. At the enMore
4
Completed
01.06.2015 - 31.05.2019
The goal of the project is an analysis of the applicability and technical feasibility of the IVMR strategy to high power reactors, both for existing ones (e.g. VVER 1000 type 320 unitMore
Seventh Framework Programme (FP7)
1
Completed
01.11.2013 - 31.10.2016
The ARCADIA project has been conceived so as to provide a twofold support to the further development of nuclear research programs in the NMS, targeting two major areas included in theMore
2
Completed
01.10.2013 - 30.09.2015
The strategic objective of NC2I-R is to structure the European public and private R&D capabilities for delivering a nuclear cogeneration demonstrator fully meeting the market needMore
3
Completed
01.09.2013 - 31.08.2016
The objective of the NUGENIA+ project is to support the NUGENIA Association in its role to coordinate and integrate European research on safety of the Gen II and III nuclear installatMore
4
Completed
01.07.2013 - 30.06.2016
Since 2013, LEI participated in the Consortium, managed by the Institut de Radioprotection et de Sûreté Nucléaire (IRSN), by implementing EU Seventh Framework Programme project AdvancMore
5
Completed
01.04.2013 - 31.03.2017
The Fukushima accidents highlighted that both the in-depth understanding of such sequences and the development or improvement of adequate severe accident management measures is essentMore
6
Today, about 80% of all energy produced comes from the fossil fuel (oil, carbon, and natural gas). European scientists are developing environmentally friendly, safe, and renewable eneMore