Method for processing resonance pseudo-nuclide under resonance interference effect
A technology of resonance nuclide and resonance interference, applied in special data processing applications, electrical digital data processing, instruments, etc., can solve the problems of high precision, numerical instability, singular value in cross-section, etc., and achieve high precision and high numerical stability. sexual effect
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[0030] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0031] The invention considers the resonance interference effect by making the resonance section table of the resonance pseudonuclide online. The specific calculation process of this method includes the following aspects:
[0032] 1) According to the nucleon density and volume of each resonance zone of the MOX fuel rod, calculate the average nucleon density of the fuel rod according to the formula (1); select at least 20 dilution cross-section points, for the PWR, since the most important resonant nuclide is 238 U, its equivalent dilution cross-section is between 20barn and 50barn, so in this interval should select relatively dense background cross-section points, the recommended background cross-section points are 23, respectively: 5, 10, 15, 20, 25, 28, 30, 35, 40, 45, 50, 52, 60, 70, 80, 100, 200, 400, 600, 1000, 1200, 1E4, 1E10 are in barn;...
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