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Ivo Kljenak

Senior research associate
PhD

Jožef Stefan Institute
Jamova cesta 39
SI-1000 Ljubljana
Slovenia

Phone: +386 1 5885 332
Fax: +386 1 5885 377
E-mail: ivo.kljenak@ijs.si

 

Current research interests

  • Hydrogen combustion in large-scale facilities
  • Atmosphere mixing in large vessels
  • Modelling of upward churn-turbulent flow

Education

  • Ecole privee Chevreul (Tunis, Tunisia, 1968-1972)
  • O.Š. Slobodan Princip-Seljo (Belgrade, Yugoslavia, 1972-1975)
  • Lycee Jean-Baptiste Say (Paris, France, 1975-1979)
  • Mathematiques Superieures, Lycee Jean-Baptiste Say, and University Paris XI Orsay (1979-1980)
  • Faculty of Mechanical Engineering, University of Ljubljana: BSc (1984), MSc (1988), PhD (1992)

Teaching

  • Nuclear thermal hydraulics (asst.prof., Faculty of mathematics and physics, University of Ljubljana)

Professional experience

  • 1984-1994: Faculty of mechanical enginering, University of Ljubljana
  • 1995-present: Jožef Stefan Institute

Management experience

  • Severe Accident Research Network of Excellence (SARNET, 2004-2008): leader of sub-work package Containment Atmosphere Mixing
  • Severe Accident Research Network of Excellence 2 (SARNET2, 2009-2013): leader of work package Containment
  • Leader of slovenian research projects
  • Leader of CEA-Slovenia research projects

Selected publications

The full list of publications is maintained by COBISS. Links to publications use the Digital Object Identifier System DOI.

ORCID:
Scopus Author ID:

Chapter in book

KLJENAK, Ivo, BENTAIB, Ahmed, JORDAN, Thomas. Hydrogen behavior and control in severe accidents. Nuclear safety in light water reactors: severe accident phenomenology, B.R. Sehgal (Ed.), Elsevier/Academic Press, pp. 186-227, 2012.

Articles in SCI journals

KLJENAK, Ivo, KUZNETSOV, Mikhail, MANZINI, Giovanni, KOSTKA, Pál, KUBIŠOVA, Lubica, POVILAITIS, Mantas. Simulation of hydrogen deflagration experiment - Benchmark exercise with lumped-parameter codes. Nuclear Engineering and Design, vol. 283, pp. 51-59, 2015.

KLJENAK, Ivo, MAVKO, Borut. Simulation of containment thermal-hydraulics in the Marviken Blowdown 16 experiment with ASTEC and CONTAIN codes. Nuclear Engineering and Design, vol. 241, pp. 1063-1070, 2011.

KLJENAK, Ivo, DAPPER, Maik, DIENSTBIER, JiÅ™í, HERRANZ, Luis E., KOCH, Marko K., FONTANET, Joan. Thermal-hydraulic and aerosol containment phenomena modelling in ASTEC severe accident computer code. Nuclear Engineering and Design, vol. 240, pp. 656-667, 2010.

BABIĆ, Miroslav, KLJENAK, Ivo, MAVKO, Borut. Simulations of TOSQAN containment spray tests with combined Eulerian CFD and droplet-tracking modelling. Nuclear Engineering and Design, vol. 239, pp. 708-721, 2009.

BABIĆ, Miroslav, KLJENAK, Ivo, MAVKO, Borut. Prediction of light gas distribution in experimental containment facilities using the CFX4 code. Nuclear Engineering and Design, vol. 238, pp. 538-550, 2008.

KLJENAK, Ivo, MAVKO, Borut. Simulation of void fraction profile evolution in subcooled nucleate boiling flow in a vertical annulus using a bubble-tracking approach. Heat and Mass Transfer, vol. 42, pp. 552-561, 2006.

KLJENAK, Ivo, BABIĆ, Miroslav, MAVKO, Borut, BAJSIČ, Ivan. Modeling of containment atmosphere mixing and stratification experiment using a CFD approach. Nuclear Engineering and Design, vol. 236, pp. 1682-1692, 2006.

KONÄŒAR, Boštjan, KLJENAK, Ivo, MAVKO, Borut. Modelling of local two-phase flow parameters in upward subcooled flow boiling at low pressure. Int. J. Heat Mass Transfer, vol. 47, pp. 1499-1513, 2004.

HORVAT, Andrej, KLJENAK, Ivo, MARN, Jure. Two-dimensional large-eddy simulation of turbulent natural convection due to internal heat generation. Int. J. Heat Mass Transfer, vol. 44, pp. 3985-3995, 2001,

HORVAT, Andrej, KLJENAK, Ivo, MARN, Jure. On incompressible buoyancy flow benchmarking. Numerical Heat Transfer. Part B, Fundamentals, vol. 39, pp. 61-78, 2001.

JORDAN, Romana, MAVKO, Borut, KLJENAK, Ivo. Component reliability assessment using quantitative and qualitative data. Reliability Engineering & Systems Safety, vol. 71, pp. 81-95, 2001.

ŽUN, Iztok, KLJENAK, Ivo, MOŽE, Slavko. Space-time evolution of the nonhomogeneous bubble distribution in upward flow. Int. J. Multiphase Flow, vol. 19, pp. 151-172, 1993.

NEWS
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Dr. Matej Tekavčič from the Reactor Engineering Division at Jožef Stefan Institute in collaboration with researchers from the Institute of Fluid Dynamics, Helmholtz-Zentrum Dresden-Rossendorf (Germany) published the article »...
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