{"id":18151,"date":"2018-07-05T11:45:37","date_gmt":"2018-07-05T11:45:37","guid":{"rendered":"http:\/\/sitepourvtc.com\/?page_id=18151"},"modified":"2022-03-08T09:55:15","modified_gmt":"2022-03-08T09:55:15","slug":"subcritical-multiplication","status":"publish","type":"page","link":"https:\/\/sitepourvtc.com\/nuclear-power\/reactor-physics\/reactor-dynamics\/subcritical-multiplication\/","title":{"rendered":"Subcritical Multiplication"},"content":{"rendered":"
During a PWR startup, the value of keff<\/sub> increases and:<\/p>\n In previous chapters, especially in the Reactor Criticality chapter, the basic classification<\/strong> of states of a reactor according to the multiplication factor<\/strong><\/a> was defined. One of these states is a subcritical state defined as:<\/p>\n But this statement is not completely correct. To clarify this issue, we use a finer classification of subcritical states. The subcritical state can be subdivided into:<\/p>\n\n
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