Povilas Poškas

Nuclear Engineering Laboratory (14)
Position:
Head (Chief research associate)
Room number:
62-BRK
Phone number:
+37037401891

Publications

Book or monograph chapter

2021

Miliauskas G., Puida E., Poškas R. [LEI], Poškas P. [LEI]. Modelling of the influence of droplet dispersity on droplet vaporization in the high-temperature flue gas in the case of combined heating In: Prime archives in sustainability . Hyderabad (Indija): Vide Leaf, 2021, p. 1-51. ISBN 978-81-944664-1-3.

2018

Poškas P. [LEI]. Progress on Nuclear Waste Management. Nuclear Waste Governance in Lithuania In: Challenges of Nuclear Waste Governance: An International Comparison. Germany: Springer Fachmedien Wiesbaden GmbH, 2018, Vol. II, p. 139-160. ISBN 978-3-658-21440-1, eISBN 978-3-658-21441-8.

Study

2016

Barinova E., Beer H. F., Bradbury D., Dunzik-Gougar M. L., Fachinger J., Hand R., Jones A., Karlina O., Kascheev V., Lamouroux C., Laurent G., Leganes Nieto J. L., Li J. F., Lindberg M., Metcalfe M. P., Narkūnas E. [LEI], Norris S., Ojovan M. I., Oryšaka A., Petit L., Poškas P. [LEI], Rahmani L., Tomlinson T., von Lensa W., Wickham A. J., Zlobenko B.. Processing of irradiated graphite to meet acceptance criteria for waste disposal In: IAEA TECDOC-1790. Vienna: International Atomic Energy Agency, 2016, p. 1-148. ISSN 1011-4289 ISBN 978-92-0-104016-9.

Scientific article

2024

Grigaliūnienė D. [LEI], Balčius P. [LEI], Jacques D., Poškas P. [LEI]. Assessment of intermediate level radioactive waste disposal cell evolution in granitic host rock applying abstracted reactive transport models In: Environmental Earth Sciences . New York: Springer, 2024, Vol. 83, 575, p. 1-17. ISSN 1866-6280.
Ragaišis V. [LEI], Poškas P. [LEI], Šimonis A. [LEI]. Groundwater path radiological impact assessment for the derivation of specific clearance levels for landfill disposed waste at Ignalina NPP In: Annals of Nuclear Energy . Oxford: Elsevier, 2024, Vol. 202, 110489, p. 1-10. ISSN 0306-4549.
Poškas R. [LEI], Sirvydas A. [LEI], Mingilaitė L., Poškas P. [LEI], Jouhara H.. Investigation of effect of cooling water characteristics on flue gas condensation along vertical tube heat exchanger In: Energy. Kidlington: Elsevier, 2024, Vol. 289, 130046, p. 1-11. ISSN 0360-5442.
Poškas R. [LEI], Sirvydas A. [LEI], Mingilaitė L., Jouhara H., Poškas P. [LEI]. Experimental investigation of water vapor condensation from flue gas in different rows of a heat exchanger model In: Thermal Science and Engineering Progress. Amsterdam: Elsevier, 2024, Vol. 47, 102365, p. 1-10. ISSN 2451-9049.
Poškas R. [LEI], Sirvydas A. [LEI], Salem M. [LEI], Poškas P. [LEI], Jouhara H.. Experimental investigation of water vapor condensation from hot humidified air in serpentine heat exchanger In: International Journal of Heat and Mass Transfer. Oxford: Elsevier, 2024, Vol. 221, 125068, p. 1-17. ISSN 0017-9310.

2023

Poškas R. [LEI], Račkaitis K. [LEI], Poškas P. [LEI], Jouhara H.. Modelling of the fire impact on CONSTOR RBMK-1500 cask thermal behavior in the open interim storage site In: Nuclear Engineering and Technology. Daejeon: Elsevier, 2023, Vol. 55, Iss. 7, p. 2604-2612. ISSN 1738-5733.
Poškas R. [LEI], Račkaitis K. [LEI], Poškas P. [LEI], Jouhara H.. The numerical analysis of the impact of CASTOR-1500 cask model simplifications on temperature distribution in the cask In: Annals of Nuclear Energy. Oxford: Elsevier, 2023, Vol. 184, 109688, p. 1-8. ISSN 0306-4549, eISSN 1873-2100.

2022

Poškas R. [LEI], Sirvydas A. [LEI], Kulkovas V. [LEI], Poškas P. [LEI], Jouhara H., Miliauskas G., Puida E.. Flue Gas Condensation in a Model of the Heat Exchanger: The Effect of the Cooling Water Flow Rate and Its Temperature on Local Heat Transfer In: Applied sciences. Basel: MDPI, 2022, Vol. 12, Iss. 24, 12650, p. 1-17. ISSN 2076-3417.
Narkūnas E. [LEI], Šmaižys A. [LEI], Poškas P. [LEI], Šimonis A. [LEI], Naumov V., Ekaterinichev D.. Gamma Radiation Shielding Assessment Using Stochastic, Deterministic, and Experimental Methods for RBMK-1500 SNF Storage Cask In: Nuclear Technology . Philadelphia: American Nuclear Society, 2022, Vol. 208, Iss. 12, p. 1876-1889. Scopus . ISSN 0029-5450 , eISSN 1943-7471.
Miliauskas G., Puida E., Poškas R. [LEI], Poškas P. [LEI], Balčius A., Jouhara H.. The modeling of transient phase changes of water droplets in flue gas flow in the range of temperatures characteristic of condensing economizer technologies In: Energy. Oxford: Elsevier, 2022, Vol. 257, 124719, p. 1-12. ISSN 0360-5442.

Conference paper

2023

Šimonis A. [LEI], Poškas G. [LEI], Poškas P. [LEI], Klevinskas G.. Decommissioning of radon type radioactive waste storage facility in Lithuania In: Radioactive Waste Management Solutions for a Sustainable Future Proceedings of an International Conference Vienna, Austria, 1–5 November 2021. Vienna: IAEA (International Atomic Energy Agency), 2023, UDC 621.039.7 | STI/PUB/2077, p. 1-8. ISBN 978-92-0-155323-2.

2021

Šimonis A. [LEI], Poškas G. [LEI], Poškas P. [LEI], Klevinskas G.. Decommissioning of Radon Type Radioactive Waste Storage Facility in Lithuania In: International Conference on Radioactive Waste Management: Solutions for a Sustainable Future (IAEA), November 1-5, 2021, Vienna, Austria. Vienna: IAEA, 2021, CN-294, p. 96-96..
Poškas R. [LEI], Sirvydas A. [LEI], Kulkovas V. [LEI], Poškas P. [LEI]. Preliminary investigations of water injection impact on vapour from flue gases condensation in a model of a vertical condensing heat exchanger 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. 548-556. ISSN 1822-7554.
Poškas R. [LEI], Račkaitis K. [LEI], Poškas P. [LEI], Zujus R. [LEI]. Modeling and analysis of the flow structure in narrow helium and air gaps of the castor cask for RBMK-1500 spent nuclear fuel storage 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. 1421-1426. ISBN 978-1-77592-216-2 .
Puida E., Miliauskas G., Poškas R. [LEI], Poškas P. [LEI], Paukštaitis L.. An experimental investigation of the ęffęct of airlow heating and humidification on a water droplet’s thermal state and phase changes 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. 224-229. ISBN 978-1-77592-216-2.

2020

Narkūnas E. [LEI], Šmaižys A. [LEI], Poškas P. [LEI]. Preliminary inventory of C-14 in irradiated graphite of Ignalina NPP unit 1 RBMK-1500 reactor In: EURADWASTE ’19 Conference Proceedings 9th European Commission Conference on EURATOM Research and Training in Radioactive Waste Management 4-7 June, 2019 Pitesti, Romania . Luxembourg: European Union, 2020, p. 682. ISBN 978-92-79-98750-2.
Grigaliūnienė D. [LEI], Poškas P. [LEI], Kilda R. [LEI], Narkūnas E. [LEI]. Estimation of 14C release and migration from RBMK-1500 reactor graphite disposed of in a potential geological repository in crystalline rocks in Lithuania In: EURADWASTE ’19 Conference Proceedings 9th European Commission Conference on EURATOM Research and Training in Radioactive Waste Management 4-7 June, 2019 Pitesti, Romania. Luxembourg: European Union, 2020, p. 681. ISBN 978-92-79-98750-2.

2017

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..

2016

Grigaliūnienė D. [LEI], Poškas P. [LEI], Kilda R. [LEI]. Waste zone conceptual model effect on predicted radionuclide flux from near surface repository In: Book of papers Session 3b VLLW of International Conference on the Safety of Radioactive Waste Management (IAEA, CN-242). 2017). Vienna Austria: IAEA, 2016, p. 38-41..

International projects

Horizon Europe

1

EURAD-2 builds upon EURAD-1 and PREDIS to further implement a joint strategic programme of research, development and knowledge management activities at the European level, bringing toMore

2

The project aims to establish and clarify the benefits and added value of more aligned and harmonised regulations and standards for prioritised topics related to decommissioning and iMore

Horizon 2020

1

The European Green Deal, an ambitious growth strategy aligned with the Sustainable Development Goals (SDG), calls for the mobilization of the industry. Indeed, while important steps hMore

2
EURAD project logo

Following decades of RD&D in support of the safe management and disposal of radioactive waste, and building on the preparatory work of the recent EC JOPRAD project, a European JoiMore

3
SHARE project logo

According to the projections based on likely remaining life-times of the World’s legacy nuclear fleet, the workload and budgets to be dedicated for nuclear decommissioning is going toMore

4

Safe management of radioactive waste is challenging to waste producers and waste management organisations. Deployment of thermal treatment in an optimised waste management lifecycle cMore

5

The overall objective of the project is to develop and test the tools necessary for the assessment of the hydro-mechanical evolution of an installed bentonite barrier and its resultinMore

6
SITEX-II

The coordination action SITEX-II aims at implementing in practice the activities along with the interaction modes issued by the FP7 program SITEX project (2012-2013), in view of develMore

Seventh Framework Programme (FP7)

1

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

The CAST project (CArbon-14 Source Term) aims to develop understanding of the generation and release of 14C from radioactive waste materials under conditions relevant to waste packagiMore

3

The objective of PLATENSO is to provide a proposal towards establishing the legal base for a European Entity on Socio-Economic matters linked to nuclear technology and to develop recoMore

4

SITEX aims at identifying the efficient means that should be developed through the establisment of a sustainable expertise function network within a European framework with the view tMore

5

NEWLANCER project proposes to identify and implement effective and efficient actual solutions leading to enlarged NMS involvement in future Euratom Framework Programmes by strengtheniMore

6

The multiple barrier concept is the cornerstone of all proposed schemes for underground disposal of radioactive wastes. The concept invokes a series of barriers, both engineered and nMore

7

Gas-Cooled Reactors (GCR), RBMK and some Material Test Reactors (MTR) make use of graphite as moderator of the fuel, structures of the core and/or thermal columns. During operation, tMore

IAEA

1

The present spent nuclear fuel (SNF) management concept in the Lithuania foresees dry storage of SNF for 50 years. During this time the final SNF management concept shall be developedMore

2

Coordinator: Lithuanian Energy Institute (LEI)More

3

Coordinator: Lithuanian Energy Institute (LEI), LithuaniaMore

4

Coordinator: Lithuanian Energy Institute (LEI)More

Other international projects

1

The goal of this project is to prepare the setting up of a “Joint Programming on Radioactive Waste Disposal” that would be established to coordinate at the European level, national reMore

Projects in Lithuania

Research Council of Lithuania projects

1
Lietuvos mokslo taryba

Comprehensive research and application of "Rūkas" technology for biofuel smoke purification and waste heat recovery ID (LMT): P-MIP-20-2 Nr.: 14-1963.20.22 Coordinator: LitMore