【摘 要】
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There is a neutron source with 10~9 s~(-1) neutrons in core of CEFR during start up test and operation ofCEFR. For judging the criticality of reactor with exte
【出 处】
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Annual Report for China Institute of Atomic Energy
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There is a neutron source with 10~9 s~(-1) neutrons in core of CEFR during start up test and operation ofCEFR. For judging the criticality of reactor with external neutron source and near criticality, it isimportant that the neutron level changes in core with time must be understood after introducing positivereactivity to core with external neutron source. Using the point model and Laplace transform, it isobtained that the neutron level changes in core with time for exchanging from one subcriticality to another
There is a neutron source with 10 ~ 9 s ~ (-1) neutrons in core of CEFR during start up test and operation ofCEFR. For judging the criticality of reactor with external neutron source and near criticality, it is implants that the neutron level changes in core with time must be understood after introducing positivereactivity to core with external neutron source. Using the point model and Laplace transform, it isobtained that the neutron level changes in core with time for exchanging from one subcriticality to another
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