Valdas Ragaišis

Nuclear Engineering Laboratory (14)
Position:
Senior research associate
Room number:
58-BRK
Phone number:
+37037401889

Publications

Study

2022

Anisimov N., Avila R., Drobnewski C., Fisher C., Guskov A., Hofman D., Kinker M., Ledroit F., Murlis D., Ragaišis V. [LEI], Raicevic J., Smetnik A., Sneve M., Virsek S.. The International Project on Complementary Safety Reports (2011–2014) In: CRAFT. The International Project on Complementary Safety Reports (2011-2014) IAEA-TECDOC-2017. Vienna: International Atomic Energy Agency, 2022, p. 1-203. ISSN 1011-4289 ISBN 978-92-0-147522-0.

Scientific article

2024

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.

2022

Miliauskas G., Puida E., Poškas R. [LEI], Ragaišis V. [LEI], Paukštaitis L., Jouhara H., Mingilaitė L.. Experimental investigations of water droplet transient phase changes in flue gas flow in the range of temperatures characteristic of condensing economizer technologies In: Energy. Oxford: Elsevier, 2022, Vol. 256, 124643, p. 1-11. ISSN 0360-5442, eISSN 1873-6785.
Narkūnienė A. [LEI], Justinavičius D. [LEI], Poškas P. [LEI], Grigaliūnienė D. [LEI], Ragaišis V. [LEI]. The Modeling of Laboratory Experiments on Granular MX‐80 Bentonite with COMSOL Multiphysics In: Minerals. Basel: MDPI, 2022, Vol. 12, No. 3, 277, p. 1-20. ISSN 2075-163X.
Ragaišis V. [LEI], Kaliatka T. [LEI], Poškas P. [LEI], Kaliatka A. [LEI], Šmaižys A. [LEI], Janulionis R. [LEI], Narkūnas E. [LEI], Sirvydas A. [LEI], Babilas E. [LEI], Rimkevičius S. [LEI]. A proposed approach for the evaluation of consequences of a large aircraft crash accident at an RBMK type reactor site during decommissioning In: Progress in Nuclear Energy. Oxford: Elsevier, 2022, Vol. 145, 104135, p. 1-15. ISSN 0149-1970, eISSN 1878-4224.

2021

Ragaišis V. [LEI], Poškas P. [LEI], Kilda R. [LEI], Bartkus G. [LEI]. A review of uncertainties in the assessment of the radiological impact of liquid releases to the Ignalina NPP cooling pond lake Drūkšiai In: Annals of Nuclear Energy. Oxford: Elsevier, 2021, Vol. 157, 108228, p. 1-10. ISSN 0306-4549.

2016

Ragaišis V. [LEI], Poškas P. [LEI], Šimonis V. [LEI], Narkūnas E. [LEI]. Updating of the public dose assessment approach for decommissioning related releases from the Ignalina NPP In: Annals of Nuclear Energy. Oxford, England: Elsevier, 2016, Vol. 94, p. 93-101. ISSN 0306-4549.
Narkūnas E. [LEI], Šmaižys A. [LEI], Poškas P. [LEI], Ragaišis V. [LEI]. Modelling of RBMK-1500 SNF storage casks activation during very long term storage In: Applied Radiation and Isotopes. Netherlands: Elsevier, 2016, Vol. 115, p. 100-108. ISSN 0969-8043.

2015

Ragaišis V. [LEI], Ahmad S.. Methodology for safety assessment applied to predisposal waste management In: Methodology for safety assessment applied to predisposal waste management. Vienna: International Atomic Energy Agency, 2015, p. 1-47. ISSN 1011-4289 ISBN 978-92-0-109215-1.
Ragaišis V. [LEI], Poškas P. [LEI], Šimonis A. [LEI]. Methodology for the scoping assessment of radioactive releases during dismantling of RBMK-1500 reactor systems with low-level contamination In: Annals of Nuclear Energy. Oxford: Elsevier, 2015, Vol. 75, p. 193-198. ISSN 0306-4549.

International projects

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

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

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

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