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http://dx.doi.org/10.5516/NET.02.2013.522

DEVELOPMENT OF CALCULATION METHOD OF SENSITIVITIES FOR LIGHT WATER REACTORS  

Takeda, Toshikazu (Research Institute of Nuclear Engineering, University of Fukui)
Foad, Basma (Research Institute of Nuclear Engineering, University of Fukui)
Publication Information
Nuclear Engineering and Technology / v.45, no.6, 2013 , pp. 753-758 More about this Journal
Abstract
A new method of calculating sensitivity coefficients of core characteristics relative to infinite-dilution cross sections has been developed. Conventional sensitivity coefficients are evaluated for the changes of effective cross sections which are dependent on individual models of core and cell. Therefore a correction has been derived to the conventional sensitivity coefficients based on the perturbation theory. The accuracy of the present method has been verified by comparing numerical results of sensitivity coefficients with a reference Monte-Carlo method.
Keywords
Sensitivity; Cross Section; Resonance; Self-shielding; Light Water Reactor; Numerical Calculation;
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