Method for finishing out-of-pile detector scales through single in-pile flux measurement
A flux measurement and detector technology, applied in the field of nuclear power, can solve problems such as limited application and inability to completely eliminate disadvantages
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[0085] The present invention is applied to a second-generation nuclear power unit in China, which has a ready-made response function of the external detector w i,j←l,m and core criticality-burnup calculation model, so the so-called data preparation step of the present invention can be omitted, and the core power distribution obtained by the latest regular in-core flux measurement can be directly applied Apply the following formula 5 to generate the current value under the core state without considering the specific sensitivity difference of the excore detector
[0086]
[0087] Here i is the channel number of the detector outside the stack, j is the number of different detectors in a channel, I i,j is the obtained corresponding detector current value, is the core power distribution given by the off-line flux map processing software of the power plant, such as CARIN, etc., by processing the in-core measurement signals, where l and m are the radial and axial grid identifie...
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