Sensitivity of the neutron multiplication factor to gadolinium isotopes’ nuclear data for light water reactor fuel assemblies in the peak reactivity burnup range

2021 ◽  
Vol 151 ◽  
pp. 107949
Author(s):  
Go Chiba
Keyword(s):  
Nuclear Data ◽  
Reactor Fuel ◽  
Light Water Reactor ◽  
Multiplication Factor ◽  
Light Water ◽  
Water Reactor ◽  
Fuel Assemblies ◽  
Neutron Multiplication

scholarly journals BURNUP SENSITIVITY CALCULATIONS WITH CBZ FOR LIGHT WATER REACTOR ASSEMBLY PROBLEMS

2021 ◽  
Vol 247 ◽  
pp. 15013
Author(s):  
Go Chiba
Keyword(s):  
Perturbation Theory ◽  
Nuclear Fuel ◽  
Nuclear Data ◽  
Light Water Reactor ◽  
Code System ◽  
Reactor Physics ◽  
Light Water ◽  
Water Reactor ◽  
Fuel Assemblies ◽  
Reactor Assembly

Sensitivities of k∞ and nuclides number densities during nuclear fuel burnup with respect to nuclear data are calculated with a reactor physics code system CBZ. Sensitivity calculations are carried out with the depletion perturbation theory applicable to nuclear fuel assemblies including burnable absorbers. Numerical results are presented both for BWR and PWR assemblies, and those demonstrate usefulness and effectiveness of burnup sensitivity calculation capabilities for LWR fuel assemblies.

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