Calculation with MCNP of capture photon flux in VVER-1000 experimental reactor

Calculation with MCNP of capture photon flux in VVER-1000 experimental reactor

The aim of this study is to obtain by Monte Carlo method the high energy photon flux due to neutron capture in the internals and vessel layers of the experimental reactor LR-0 located in REZ, Czech Republic, and loaded with VVER-1000 fuel. The calclated neutron, photon and photon to neutron flux rat...

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Veröffentlicht in:Radiation protection dosimetry 2005-12, Vol.116 (1-4), p.35-37
Hauptverfasser: Töre, Candan, Ortego, Pedro
Format: Artikel
Sprache:eng
Schlagworte:
Computer Simulation
Czech Republic
Equipment Failure Analysis
Models, Statistical
Monte Carlo Method
Photons
Power Plants - instrumentation
Power Plants - standards
Radiation Dosage
Radiation Protection - instrumentation
Radiation Protection - methods
Radiometry - methods
Scattering, Radiation
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Beschreibung
Zusammenfassung:The aim of this study is to obtain by Monte Carlo method the high energy photon flux due to neutron capture in the internals and vessel layers of the experimental reactor LR-0 located in REZ, Czech Republic, and loaded with VVER-1000 fuel. The calclated neutron, photon and photon to neutron flux ratio are compared with experimental measurements performed with a multi-parameter stilbene detector. The results show clear underestimation of photon flux in downcomer and some overestimation at vessel surface and 1/4 thickness but a good fitting for deeper points in vessel.
ISSN:0144-8420
1742-3406
DOI:10.1093/rpd/nci079