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Iztok Tiselj

Jožef Stefan
Institute
Jamova cesta 39
SI-1000 Ljubljana
Slovenia

Phone: +386 1 5885 333
Fax: +386 1 5885 377
E-mail: iztok.tiselj@ijs.si

 

 

Research Interests

 

ARRS project 2018-2021  Experimental and computational heat transfer studies (in Slovenian)

Development of WAHA code for simulations of 1D water hammer in two-phase systems. (WAHA manual)

Direct Numerical Simulation of turbulent heat transfer. (Lectures)

Numerical simulations of the two-phase flow. (Materials of the course on Two-phase flow modeling, Technical University of Catalonia, 2006)

RELAP5 computer code for thermal hydraulics of nuclear power plants.

Education

Teaching

Chair for Nuclear engineering, Faculty of Mathematics and Physics, University of Ljubljana

Courses:

- Jedrska tehnika in energetika (Program Physics, I cycle)

- Reaktorska tehnika (Program Nuclear Engineering, II cycle)

 

Professional Experience

Selected Publications

The full list of publications is maintained by COBISS.

 TISELJ, Iztok, PETELIN, Stojan. Modelling of two-phase flow with second order accurate scheme. J. comput. phys., 1997, vol. 136, 503-521. 

TISELJ, Iztok, PETELIN, Stojan. First and second-order accurate schemes for two-fluid models. J. fluids eng., 1998, vol. 120, 363-368. 

TISELJ, Iztok, ÄŒERNE, Gregor. Some comments on the behaviour of the RELAP5 numerical scheme at very small time steps. Nucl. sci. eng., 2000, vol. 134, 306-311.

 ÄŒERNE, Gregor, PETELIN, Stojan, TISELJ, Iztok. Coupling of the interface tracking and the two-fluid models for the simulation of the incompressible two-phase flow. J. comput. phys., 2001, vol. 171, 776-804. 

TISELJ, Iztok, BERGANT, Robert, MAVKO, Borut, BAJSIÄŒ, Ivan, HETSRONI, Gad. DNS of turbulent heat transfer in channel flow with heat conduction in the solid wall. J. heat transfer, 2001, vol. 123, št. 5, 849-857. 

TISELJ, Iztok, POGREBNYAK, Elena, LI, Changfeng, MOSYAK, Albert, HESTRONI, Gad. Effect of wall boundary condition on scalar transfer in a fully developed turbulent flume. Phys. fluids , 2001, vol. 13, 1028-1039. 

ÄŒERNE, Gregor, PETELIN, Stojan, TISELJ, Iztok. Numerical errors of the volume-of-fluid interface tracking algorithm. Int. j. numer. methods fluids, 2002, vol. 38, 329-350. 

TISELJ, Iztok, HETSRONI, Gad, MAVKO, Borut, MOSYAK, Albert, POGREBNYAK, Elena, SEGAL, Z. Effect of axial conduction on the heat transfer in micro-channels. Int. j. heat mass transfer, 2004, vol. 47, 2551-2565. 

BERGANT, Robert, TISELJ, Iztok. Near-wall passive scalar transport at high Prandtl numbers. Phys. fluids (1994), 2007, vol. 19, št. 6, str. 065105-1-065105-18. 

TISELJ, Iztok, GALE, Janez. Integration of unsteady friction models in pipe flow simulation J. Hydraul. Res., 2008, vol. 46, št. 4, str. 526-535. 

GALE, Janez, TISELJ, Iztok. Godunov's method for simulatinons of fluid-structure interaction in piping systems. J. press. vessel technol., 2008, vol. 130, št. 3, str. 031304-1-031304-12. 

ŠTRUBELJ, Luka, ÉZSÖL, György, TISELJ, Iztok. Direct contact condensation induced transition from stratified to slug flow. Nucl. Eng. Des., 2010, vol. 240, no. 2, str. 266-274. 

ŠTRUBELJ, Luka, TISELJ, Iztok. Two-fluid model with interface sharpening. Int. j. numer. methods eng., 2011, vol. 85, no. 5, str. 575-590, doi: 10.1002/nme.2978.

TISELJ, Iztok, ODER, Jure, CIZELJ, Leon. Double-sided cooling of heated slab : conjugate heat transfer DNS. International journal of heat and mass transfer, nov. 2013, vol. 66, str. 781-790.

TISELJ, Iztok. Tracking of large-scale structures in turbulent channel with direct numerical simulation of low Prandtl number passive scalar. Physics of fluids, 2014, vol. 26, no. 12, str. 125111-1-125111-17.

MIKUŽ, Blaž, TISELJ, Iztok. URANS prediction of flow fluctuations in rod bundle with split-type spacer grid. International journal of heat and fluid flow, ISSN 0142-727X. [Print ed.], 2017, vol. 64, str. 10-22.

HENRY, Romain, TISELJ, Iztok, SNOJ, Luka. CFD/Monte-Carlo neutron transport coupling scheme, application to TRIGA reactor. Annals of Nuclear Energy, ISSN 0306-4549. [Print ed.], 2017, vol. 110, str. 36-47.

ODER, Jure, SHAMS, Afaque, CIZELJ, Leon, TISELJ, Iztok. Direct numerical simulation of low-Prandtl fluid flow over a confined backward facing step. International journal of heat and mass transfer, ISSN 0017-9310. [Print ed.], 2019, vol. 142, str. 118436-1-118436-20.

FLAGEUL, Cedric, TISELJ, Iztok, BENHAMADOUCHE, Sofiane, FERRAND, Martin. A correlation for the discontinuity of the temperature variance dissipation rate at the fluid-solid interface in turbulent channel flows. Flow, turbulence and combustion, ISSN 1386-6184, 2019, vol. 103, no. 1, str. 175-201.

 

NEWS
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Young researcher Aljoša Gajšek was awarded EUROfusion Engineering Grant
The EUROfusion Engineering Grant (EEG) was awarded to 16 candidates from a wide range of 55 different competence areas, interesting for development of fusion technologies. The EEG was also awarded to young researcher Aljoša Gajšek from th...
EMUG meeting
Previous week, between April 12 and 14, the EMUG (European MELCOR and MACCS User Group) meeting was held in Slovenia, organized by the Reactor Engineering Division, JSI in cooperation with the Paul Scherrer Institute from Switzerland. The meeting was a...
Grain boundary stresses in elastic materials
Grain boundary stresses in elastic materials Dr. Samir El Shawish and dr. Timon Mede from the Reactor Engineering Division at Jožef Stefan Institute published an article “Grain boundary stresses in elastic materials&rdqu...
Joint European Torus (JET) device released a record 59 MJ of sustained fusion energy
Researchers from the EUROfusion consortium, including JSI researchers, used the Joint European Torus (JET) device to release a record 59 MJ of sustained fusion energy. The breakt...
Turbulent Flow over Confined Backward-Facing Step: PIV vs. DN
Boštjan Zajec, Marko Matkovič, Nejc Kosanič, Jure Oder, Blaž Mikuž, Jan Kren and Iztok Tiselj from the Reactor Engineering Division at Jožef Stefan Institute published the article “Turbul...
Prof. dr. Leon Cizelj elected as the president of the European Nuclear Society (ENS)
Prof. dr. Leon Cizelj was elected as the president of the European Nuclear Society (ENS; www.euronuclear.org) for 2022 and 2023 at the proposal of the Nuclear Society of Slo...
New experimental campaign - Investigation of Temperature Fluctuations in a Fully Developed Channel Flow
New experimental campaign - Investigation of Temperature Fluctuations in a Fully Developed Channel Flow Dr. Mohit Sharma and colleagues have performed turbulent heat transfer experiments with the heated thin fo...
A single grain boundary parameter to characterize normal stress fluctuations in materials with elastic cubic grains
Dr. Samir El Shawish and dr. Timon Mede from the Reactor Engineering Division at Jožef Stefan Institute, in collaboration with dr. Jeremy Hure from Université Paris-Saclay, CEA (France) published the article &l...
Modelling of premixed layer formation in stratified fuel–coolant configuration
Janez Kokalj, dr. Mitja Uršič and dr. Matjaž Leskovar from the Reactor Engineering Division at Jožef Stefan Institute published the article »...
Validation of a morphology adaptive multi-field two-fluid model considering counter-current stratified flow with interfacial turbulence damping
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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