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    • Marijus Šeporaitis

    Laboratory of Nuclear Installation Safety (17)
    Position:
    Senior research associate
    ORCID:
    https://orcid.org/0000-0002-5373-3529
    Room number:
    17-BRK
    Phone number:
    +37037401921
    Email:
    Marijus.Seporaitis@lei.lt

    Publications

    Scientific article

    2022

    Graževičius A. [LEI], Šeporaitis M. [LEI], Valinčius M. [LEI], Kaliatka A. [LEI]. Numerical investigation of two-component single-phase natural convection and thermal stratification phenomena in a rod bundle with axial heat flux profile In: Nuclear Engineering and Technology. DAE JEON: Elsevier, 2022, Vol. 54, p. 3166-3175. ISSN 1738-5733.
    Jaseliūnaitė J. [LEI], Šeporaitis M. [LEI]. Performance optimisation of microchannel pin-fins using 2D CFD In: Applied Thermal Engineering . Oxford: Elsevier, 2022, Vol. 206, 118040, p. 1-10. ISSN 1359-4311, eISSN 1873-5606.

    2019

    Gasiūnas S. [LEI], Šeporaitis M. [LEI], Almenas K.. Turbulence predicting criterion based on shear forces at the boundaries in a two-phase flow In: International Journal of Thermal Sciences. ISSY-LES-MOULINEAUX, France: Elsevier, 2019, Vol. 135, p. 61-71. ISSN 1290-0729.

    2018

    Laurinavičius D. [LEI], Šeporaitis M. [LEI], Valinčius M. [LEI], Gasiūnas S. [LEI]. Measurement of water temperature and velocity fields by applying thermography on two-phase flow through horizontal rectangular channel In: Thermal Science. Belgrad: 2018, Vol. 223, No. 6, p. 2847-2857. ISSN 0354-9836, eISSN 2334-7163.

    2017

    Höhne T., Gasiūnas S. [LEI], Šeporaitis M. [LEI]. Numerical modelling of a direct contact condensation experiment using the AIAD framework In: International Journal of Heat and Mass Transfer. 2017, Vol. 111, p. 211-222. ISSN 0017-9310.

    2016

    Šeporaitis M. [LEI], Valinčius M. [LEI], Gasiūnas S. [LEI], Laurinavičius D. [LEI], Pabarčius R. [LEI], Kaliatka A. [LEI], Almenas K.. Tarpfazinės sąveikos ir kondensacijos tyrimai In: Energetika. Vilnius: Lietuvos mokslų akademija, 2016, T. 62, Nr. 3, p. 206-218. ISSN 0235-7208.
    Laurinavičius D. [LEI], Šeporaitis M. [LEI], Gasiūnas S. [LEI], Valinčius M. [LEI]. Dependence of water temperature gradient on condensation in stratified two-phase flow In: Heat transfer research. JAV: Begel house, 2016, Vol. 47, Iss. 12, p. 1157-1168. ISSN 1064-2285.

    Conference paper

    2024

    Jaseliūnaitė J. [LEI], Šeporaitis M. [LEI], Ručys R.. Numerical assessment of fluid flow characteristics in micro pin-fin configurations In: CYSENI' 2024: 20th international conference of young scientists on energy and natural sciences issues, 21-23 May, 2024 [proceedings]. Kaunas: Lietuvos energetikos institutas, 2024, p. 65-65. ISSN 2783-6339.

    2023

    Jaseliūnaitė J. [LEI], Šeporaitis M. [LEI]. Numerical Study of Transverse Pitch Effect On Pressure Loss In An Inline Array Of Elliptical Pins In: Proceedings of the 10th international conference on fluid flow, heat and mass transfer (FFHMT'23). Ottawa: Carleton University, 2023, p. 172-1-172-7. ISSN 2369-3029 ISBN 978-1-990800-24-5.

    2021

    Almenas K., Gasiūnas S. [LEI], Šeporaitis M. [LEI]. An improved indicator for the initiation of turbulence 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. 251-254. ISBN 978-1-77592-216-2 .

    2016

    Laurinavičius D. [LEI], Šeporaitis M. [LEI]. Initiation of water turbulence in concurrent two-phase flow In: 12th International conference on Heat Transfer, Fluid Mechanics and Thermodynamics (HEFAT 2016). Proceedings published date: 11 July 2016.. Costa del Sol, Spain: 2016, p. 259-263. ISBN 978-1-77592-124-0.

    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.

    International projects

    Horizon 2020

    1
    Research and Development in support of the GEMINI Initiative (GEMINI Plus)
    https://app.lgi-consulting.org/mso/ecm/geminiplus-ecm-folder-4648
    Completed
    01.09.2017 - 28.02.2021

    GEMINI+ project will provide a conceptual design for a high temperature nuclear cogeneration system for supply of process steam to industry, a framework for the licensing of such systMore

    Projects in Lithuania

    EU Structural Funds

    1
    Testing an R&D idea – Saving energy and resources by combining the recycling of plant and animal bio-waste into useful products (No. 10-038-T-0162)
    Ongoing
    07.10.2024 - 30.09.2025

      The objective of the project Testing an R&D idea – Saving energy and resources by combining the recycling of plant and animal bio-waste into useful products (No. 10-038-T-01More

    2
    Testing an R&D idea – Battery/pack thermal management using microchannels (No. 10-038-T-0090)
    Ongoing
    23.09.2024 - 30.09.2025

      The project addresses the following issue: One of the challenges currently facing the Ministry of Education, Science and Sport of the Republic of Lithuania is the lack of cMore

    3
    Testing an R&D idea – Improvement of defect assessment methodology for determining structural integrity and durability of components (No. 10-038-T-0094)
    Ongoing
    2024.09.23 - 2025.09.30

      Project summary: The project is implemented under the Development Programme Manager of the Ministry of Education, Science and Sport of the Republic of Lithuania for the perMore

    4
    2014–2020 ES fondų investicijų ženklas
    Investicijos į labai didelių gabaritų talpyklų ir reaktorių su kavitaciniu maišymu sukūrimo mokslinius tyrimus ir eksperimentinę plėtrą
    Completed
    2020.07.01 - 2023.10.31

    Akcinė bendrovė „Astra LT“ kartu su partneriu Lietuvos energetikos institutu įgyvendina projektą „Investicijos į labai didelių gabaritų talpyklų ir reaktorių su kavitaciniu maišymu More

    5
    2014–2020 ES fondų investicijų ženklas
    Development and EU market placement of a new DUPLEX steel tank semi-trailer
    Completed
    22.02.2019 - 30.06.2021

    Astra LT AB kartu su partneriu Lietuvos energetikos institutu įgyvendina projektą „Development and EU market placement of a new DUPLEX steel tank semi-trailer“, No J05-LVPA-K-04-0More