Matjaž Leskovar

Višji znanstveni sodelavec

Institut
Jožef Stefan
Jamova cesta 39
SI-1000 Ljubljana
Slovenija

Telefon: +386 1 5885 271
Faks: +386 1 5885 377
E-pošta: matjaz.leskovar@ijs.si

Raziskovalna področja

• Težke nesreče v jedrskih elektrarnah
• Interakcija taline s hladilom, parne eksplozije
• Numerično simuliranje večfaznega toka
• Sklapljanje termo-hidrodinamičnih in nevtronskih izračunov za fuzijski reaktor
• Razvoj demonstracijske fuzijske elektrarne DEMO
• MC3D (računalniški program za simulacijo interakcije staljene sredice in vode, ki ga razvija IRSN, Francija)
• MELCOR (računalniški program za simulacijo težkih nesreč v jedrskih elektrarnah, razvit v Sandia National Laboratories, Albuquerque, New Mexico, ZDA)

Izobrazba

• Doktor znanosti s področja jedrske tehnike, Fakulteta  za matematiko in fiziko, Univerza v Ljubljani, 2000
• Magister  znanosti s področja jedrske tehnike, Fakulteta  za matematiko in fiziko, Jedrska  tehnika, Univerza v Ljubljani, 1996
• Univ. dipl. fizik, Fakulteta za matematiko in fiziko, Univerza v Ljubljani, 1993

Nagrade

• Nagrada za najboljši poster na konferenci "Nuclear Energy in New Europe 2016"
• Nagrada za najboljši poster na konferenci "Nuclear Energy in New Europe 2011"
• Nagrada za najboljši poster na konferenci "Nuclear Energy in New Europe 2009"
• Nagrada za najboljši prispevek na tekmovanju mladih avtorjev na konferenci "Nuclear Energy in Central Europe 1998"

Delovne izkušnje

• Od 1993 zaposlen na Institutu "Jožef Stefan"
• Gostujoči raziskovalec na CEA, Cadarache, Francija, maj-junij 2006

Izkušnje pri vodenju in upravljanju

• ÄŒlan programskega odbora za razvoj demonstracijske fuzijske elektrarne DEMO (od 2019)
• Koordinator mednarodnega raziskovalnega programa težkih nesreč CSARP za Slovenijo (od 2015)
• Predsednik Odbora za varnost reaktorja TRIGA Mark II (od 2015)

ÄŒlanstvo v strokovnih združenjih

• Društvo jedrskih strokovnjakov Slovenije
• European Nuclear Society

Izbrane objave

Celotni spisek objav vzdržuje COBISS. Povezave na objave so pripravljene z uporabo Digital Object Identifier System DOI.

ÄŒlanki v SCI revijah

LESKOVAR, Matjaž, CENTRIH, Vasilij, URŠIÄŒ, Mitja. Analysis of oxidation influence on steam explosion energetics. Annals of Nuclear Energy, ISSN 0306-4549, 2016, vol. 90, str. 441-449, doi: 10.1016/j.anucene.2015.12.037.

LESKOVAR, Matjaž, CENTRIH, Vasilij, URŠIÄŒ, Mitja. Simulation of steam explosion in stratified melt-coolant configuration. Nuclear Engineering and Design, ISSN 0029-5493, 2016, vol. 296, str. 19-29, doi: 10.1016/j.nucengdes.2015.10.026.

LESKOVAR, Matjaž, URŠIÄŒ, Mitja. Ex-vessel steam explosion analysis for pressurized water reactor and boiling water reactor. Nuclear Engineering and Technology, ISSN 1738-5733, 2016, vol. 48, no. 1, str. 72-86, doi: 10.1016/j.net.2015.08.012.

URŠIÄŒ, Mitja, LESKOVAR, Matjaž, MEIGNEN, Renaud. Eulerian modelling of melt solidification impact during fuel-coolant interaction. Annals of Nuclear Energy, ISSN 0306-4549, 2015, 10 str., doi: 10.1016/j.anucene.2015.01.003

PROŠEK, Andrej, LESKOVAR, Matjaž. Use of FFTBM by signal mirroring for sensitivity study. Annals of Nuclear Energy, ISSN 0306-4549, 2015, vol. 76, str. 253-262, doi: 10.1016/j.anucene.2014.09.051.

LESKOVAR, Matjaž, URŠIÄŒ, Mitja. Analysis of PWR ex-vessel steam explosion for axial and side melt release. Nuclear Engineering and Design, ISSN 0029-5493, 2015, 11 str., doi: 10.1016/j.nucengdes.2014.03.014.

URŠIÄŒ, Mitja, LESKOVAR, Matjaž, BÜRGER, Manfred, BUCK, Michael. Hydrodynamic fine fragmentation of partly solidified melt droplets during a vapour explosion. International journal of heat and mass transfer, ISSN 0017-9310, sep. 2014, vol. 76, str. 90-98, doi: 10.1016/j.ijheatmasstransfer.2014.03.066.

MEIGNEN, Renaud, LESKOVAR, Matjaž, URŠIÄŒ, Mitja, et al. Status of steam explosion understanding and modelling. Annals of Nuclear Energy, ISSN 0306-4549, 2014, 9 str., doi: 10.1016/j.anucene.2014.07.008.

HONG, Seong-Wan, PILUSO, Pascal, LESKOVAR, Matjaž. Status of the OECD-SERENA project for the resolution of ex-vessel steam explosion risks. Journal of energy and power engineering, ISSN 1934-8975, 2013, vol. 7, no. 3, str. 423-431.

URŠIÄŒ, Mitja, LESKOVAR, Matjaž. Temperature profile modelling in fuel-coolant interaction codes. Int. j. heat mass transfer. 2012, vol. 55, no. 19/20, str. 5350-5356, doi: 10.1016/j.ijheatmasstransfer.2012.05.052.

URŠIÄŒ, Mitja, LESKOVAR, Matjaž, MAVKO, Borut. Simulations of KROTOS alumina and corium steam explosion experiments : applicability of the improved solidification influence modelling. Nucl. Eng. Des.. 2012, vol. 246, str. 163-174, doi: 10.1016/j.nucengdes.2011.12.021.

URŠIÄŒ, Mitja, LESKOVAR, Matjaž, MAVKO, Borut. Improved solidification influence modelling for Eulerian fuel-coolant interaction codes. Nucl. Eng. Des.. 2011, vol. 241, no. 4, str. 1206-1216, doi: 10.1016/j.nucengdes.2010.05.001.

URŠIÄŒ, Mitja, LESKOVAR, Matjaž, MAVKO, Borut. Material properties' influence in fuel-coolant interaction codes. J. eng. gas turbine power, 2010, vol. 132, no. 7, str. 072901-1-072901-7.

URŠIÄŒ, Mitja, LESKOVAR, Matjaž. Analysis of ex-vessel steam explosion pressure loads. Stroj. vestn., 2010, vol. 56, no. 6, str. 368-376.

PROŠEK, Andrej, LESKOVAR, Matjaž. Extensions of the fast Fourier transform based method for quantitative assessment of code calculations. Elektrotehniški vestnik. 2009, vol. 76, no. 5, str. 251-256.

LESKOVAR, Matjaž. Pressure load estimation during ex-vessel steam explosion. J. eng. gas turbine power, 2009, vol. 131, no. 3, str. 032901-1-032901-7.

CIZELJ, Leon, LESKOVAR, Matjaž, ÄŒEPIN, Marko, MAVKO, Borut. A method for rapid vulnerability assessment of structures loaded by outside blasts. Nucl. Eng. Des.. 2009, vol. 239, no. 9, str. 1641-1646, doi: 10.1016/j.nucengdes.2008.07.004.

LESKOVAR, Matjaž, URŠIÄŒ, Mitja. Estimation of ex-vessel steam explosion pressure loads. Nucl. Eng. Des.. 2009, vol. 239, no. 11, str. 2444-2458.

PROŠEK, Andrej, LESKOVAR, Matjaž, MAVKO, Borut. Quantitative assessment with improved fast Fourier transform based method by signal mirroring. Nucl. Eng. Des.. 2008, vol. 238, no. 10, str. 2668-2677.

URŠIÄŒ, Mitja, LESKOVAR, Matjaž. Analysis of TROI-13 steam explosion experiment. Sci. Technol. Nucl. Install. 2008, 9 str., doi: 10.1155/2008/852047.

HORVAT, Andrej, LESKOVAR, Matjaž, MAVKO, Borut. Comparison of heat transfer conditions in tube bundle cross-flow for different tube shapes. Int. j. heat mass transfer. 2006, vol. 49, no. 5-6, str. 1027-1038.

ÄŒEPIN, Marko, CIZELJ, Leon, LESKOVAR, Matjaž, MAVKO, Borut. Vulnerability analysis of a nuclear power plant considering detonations of explosive devices. J. Nucl. Sci. Technol., 2006, vol. 43, no. 10, str. 1258-1269.

CIZELJ, Leon, KONÄŒAR, Boštjan, LESKOVAR, Matjaž. Vulnerability of a partially flooded PWR reactor cavity to a steam explosion. Nucl. Eng. Des.. 2006, vol. 236, no. 10, str. 1617-1627.

LESKOVAR, Matjaž, MAVKO, Borut. Simulation of the Phebus FPT1 severe accident experiment with the MELCOR computer code. Stroj. vestn., 2006, letn. 52, št. 3, str. 142-160.

LESKOVAR, Matjaž, KONÄŒAR, Boštjan, CIZELJ, Leon. Simulation of a reactor cavity steam explosion with a general purpose computational fluid dynamics code. Stroj. vestn., 2006, letn. 52, št. 5, str. 292-308.

CLÉMENT, Bernard, LESKOVAR, Matjaž. Thematic network for a Phebus FPT-1 international standard problem (THENPHEBISP). Nucl. Eng. Des.. 2005, vol. 235, str. 347-357.

LESKOVAR, Matjaž, MAVKO, Borut. An original combined multiphase model of the steam-explosion premixing phase. Stroj. vestn., 2002, letn. 48, št. 8, str. 438-448.

LESKOVAR, Matjaž, MAVKO, Borut. Simulation of the isothermal QUEOS steam-explosion premixing experiment Q08. Stroj. vestn., 2002, letn. 48, št. 8, str. 449-458.

LESKOVAR, Matjaž, MAVKO, Borut. Steam explosion premixing phase simulation using an original combined multiphase model. Trans. Am. Nucl. Soc., 2001, vol. 85, str. 354-255.

LESKOVAR, Matjaž, MARN, Jure, MAVKO, Borut. Numerical analysis of multiphase mixing - comparison of first and second order accurate schemes. Fluid mech. res., 2000, vol. 27, str. 1-32.

LESKOVAR, Matjaž, MARN, Jure, MAVKO, Borut. The influence of the accuracy of numerical methods on steam explosion premixing-phase simulation results. Stroj. vestn., 2000, vol. 46, št. 9, str. 607-621.

LESKOVAR, Matjaž, MAVKO, Borut, MARN, Jure. High resolution method applied to premixing phase of steam explosion. Trans. Am. Nucl. Soc., 1997, vol. 77, str. 433-434.

LESKOVAR, Matjaž, MARN, Jure. Steam explosions : probabilistic approach. V: MAHRENHOLTZ, Oskar (ur.), KREUZER, E... (ur.). 3rd International Congress on Industrial and Applied Mathematics (ICIAM 95), Hamburg, Germany, July 3-7, 1995. ICIAM/GAMM 95, Applied sciences, especially Mechanics : contributed lecture and poster presentation, (Zeitschrift für Angewandte Mathematik und Mechanik, Vol. 76, Suppl. 5, 1996). Berlin: Akademie Verlag, 1996, 1996, vol. 76, suppl. 5, str. 291-292.

MARN, Jure, LESKOVAR, Matjaž. Simulation of steam explosion premixing phase using probabilistic multiphase flow equations. Fluid mech. res., 1996, vol. 22, št. 1, str. 29-40.

Poglavja v knjigah

PROŠEK, Andrej, LESKOVAR, Matjaž. Use of fast Fourier transform for sensitivity analysis. V: SALIH, Mohammed Salih (ur.). Fourier transform - signal processing and physical sciences. Rijeka: InTech, cop. 2015, str. 51-77.

LESKOVAR, Matjaž. Simulation of ex-vessel steam explosion. V: TSVETKOV, Pavel V. (ur.). Nuclear power - operation, safety and environment. Rijeka: InTech, cop. 2011, str. 207-236.

PROŠEK, Andrej, LESKOVAR, Matjaž. Application of fast Fourier transform for accuracy evaluation of thermal-hydraulic code calculation. V: NIKOLIĆ, Goran S. (ur.). Fourier transforms - approach to scientific principles. Rijeka: In-Tech, cop. 2011, str. 447-468.

LESKOVAR, Matjaž, MAVKO, Borut. Opis mešalne faze parne eksplozije z izvirnim kombiniranim večfaznim modelom. V: FLORJANÄŒIÄŒ, Urška (ur.), MUSAR, Aleš (ur.). Raziskovalno delo podiplomskih študentov v Sloveniji - novo tisočletje, Naravoslovje in tehnika : jesen - zima. Ljubljana: Društvo mladih raziskovalcev Slovenije, 2001.

Znanstveno-raziskovalni projekti (izbrani novejši)