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Welcome to the Reactor Engineering Division!

We are the sole internationally recognized research group active in nuclear engineering and nuclear safety in Slovenia. Our research, education and consultancy activities contribute to the development of technical and human resources supporting the safe operation of nuclear facilities and to the advancement of nuclear science in Slovenia and beyond.

 Thermal-Hydraulics Experimental Laboratory for Multiphase Applications (THELMA). 
Foto: Arne Hodalič, Katja Bidovec
Our laboratory THELMA, photo Arne Hodalič, Katja Bidovec, Delo.

 

Open days at JSI

The Jožef Stefan Days are held to commemorate the famous Slovenian physicist Jožef Stefan, who was born on 24 March, and to popularise science.

On saturday, March 25th 2023, from 9 am, we will open our laboratories for public, including at our Reactor Engineering Division.

Kindly invited!

 

EMUG meeting

Between April 12th and 14th, the 14th meeting of the „European MELCOR and MACCS User Group“ will be held at JSI in Ljubljana, Slovenia in coorganization by the Reactor Engineering Division.

 

HARMONISE workshop

The HARMONISE project in cooperation with the ECC-Smart Project and support by the ELSMOR project is organizing Workshop on the Safety of Small Modular, Advanced and Fusion Reactors in Celje, Slovenia, June 20-21, 2023.

NEWS
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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