Preface of the “Symposium on Advances in Computational Methods of Nuclear Engineering”
No abstract prepared.
42 ENGINEERING↗
Engineering topics
Takeda, Toshikazu
Publications and source records attributed to Takeda, Toshikazu.
Sensitivity and uncertainty analysis of reactivities for UO2 and MOX fueled PWR cells
The purpose of this paper is to apply our improved method for calculating sensitivities and uncertainties of reactivity responses for UO{sub 2} and MOX fueled pressurized water reactor cells. The improved method has been used to calculate sensitivity coefficients relative to infinite dilution cross-sections, where the self-shielding effect is taken into account. Two types of reactivities are considered: Doppler reactivity and coolant void reactivity, for each type of reactivity, the sensitivities are calculated for small and large perturbations. The results have demonstrated that the reactivity responses have larger relative uncertainty than eigenvalue responses. In addition, the uncertainty of coolant void reactivity is much greater than Doppler reactivity especially for large perturbations. The sensitivity coefficients and uncertainties of both reactivities were verified by comparing with SCALE code results using ENDF/B-VII library and good agreements have been found.
22 GENERAL STUDIES OF NUCLEAR REACTORS↗
Detailed calculations of minor actinide transmutation in a fast reactor
The transmutation of minor actinides in a fast reactor is investigated by a new method to investigate the transmutation behavior of individual minor actinides. It is found that Np-237 and Am-241 mainly contributes to the transmutation rate though the transmutation behaviors are very different.
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS↗
Fast Reactors and Advanced Light Water Reactors fo
The importance of nuclear energy, as a realistic o
99 GENERAL AND MISCELLANEOUS↗