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![]() ![]() "Jožef Stefan" Institute Reactor physics department (F8) Jamova cesta 39 SI-1000 Ljubljana Slovenia, EU Telephone: +386 1 588 5450 Fax: +386 1 588 5377 Department is located at Reactor Centre Podgorica. Head Assoc. Prof. Dr. Luka Snoj. |
![]() ![]() ![]() Reactor physicsMain topics in reactor physics:- Development of new methods for the analysis of research and power reactors. - Neutron transport calculations for fusion reactors. - Nuclear data, validation of nuclear data and sensitivity analysis. - Experimental reactor physics. Development of new methods for the analysis of research and power reactorsWe
work on nuclear transport calculations, advanced nodal
methods, pin cell and fuel element homogenisation and
on methods aimed at precise power distribution
reconstruction. Several program packages for reactor
calculations both for our TRIGA research reactor and
Krško nuclear power plant were developed at our
department. (See
also Program developed at
reactor physics department.)
Neutron
transport calculations for fusion reactors
We have collaboration with JET – Joint
European Torus, the largest fusion reactor in the
world. Co-workers of the Reactor physics division have
performed longer visits to JET in order to make
calculations of the response of the in-vessel neutron
detector and in this way improved its calibration. The
work was necessary after the change of the torus first
wall to beryllium in view of the change in the neutron
field. The IJS staff is co-responsible for the
maintenance of the JET model for transport
calculations with the We collaborate also on the project of
neutron detector calibration. Our work was devoted
especially to the remote handling system and the
analyses of its influence on the calibration of
neutron detectors.
Nuclear
data, validation of nuclear data and
sensitivity analysis
Through international collaboration we
working on nuclear data evaluation. Evaluations for
six materials were accepted into the latest US
evaluated nuclear data library ENDF/B-VII.1, which was
released in December 2011. Experimental
reactor physics
We perform experiments on TRIGA research
reactor and mesurements at Nuclear power plant Krško.
In 2011 with colleagues from CEA-Cadarache a series of
measurements was performed on the TRIGA reactor. The
spatial distribution of the fission reaction rate in
the core was accurately measured. New neutron
dosimeters and self-powered detectors were tested. The
results will serve for the validation and improvement
of computational models and the improvement of the
accuracy of the absolute power calibration in the
TRIGA reactor. Some references: CHADWICK,
M.B., TRKOV, Andrej. ENDF/B-VII.1 nuclear data for
science and technology : cross sections, covariances,
fission product yields and decay data. Nucl. data
sheets ( TRKOV,
Andrej, CAPOTE, R., SOUKHOVITSKII, E., LEAL, L.C.,
SIN, M., KODELI, Ivan Aleksander, MUIR, D.W.
Covariances of evaluated nuclear cross section data
for 232Th, 180, 182, 183, 184, 186W
and 55Mn. Nucl. data sheets ( JET EFDA
Contributors, SNOJ, Luka, SYME, B., POPOVICHEV,
Sergei, LENGAR, Igor, CONROY, S., TRKOV, Andrej.
Calculations to support JET neutron yield calibration
: Contributions to the external neutron monitor
responses. Nucl. RAVNIK,
Matjaž, REMEC, Igor, KROMAR, Marjan. CORD - a
programme package for PWR core design calculations. V:
Proceedings, (IAEA-TECDOC, 567). TRKOV,
Andrej, RAVNIK, Matjaž, BOECK, H., GLUMAC, Bogdan.
Reactivity measurements in a close-to-critical TRIGA
reactor using a digital reactivity meter. Kerntechnik
(1987), 1992, vol. 57, str. 296-300.
[COBISS.SI-ID 13893927] See also annual reports and computer programs developed at our department. |
Last edited:
08-Nov-2012 by f8webmaster@ijs.si |