The neutron generation rate in a particular reactor is 1.5 ms. The reactor is ge

Question

The neutron generation rate in a particular reactor is 1.5 ms. The reactor is generating energy at the rate of 1350.0 MW. To perform certain maintenance checks, the power level must temporarily be reduced to 235.00 MW. It is desired that the transition to the reduced power level take 29.000 s. To what (constant) value should the multiplication factor be set to effect the transition in the desired time? (Hint: The neutron generation time tgen in a reactor is the average time needed for a fast neutron emitted in one fission event to be slowed to thermal energies by the moderator and then initiate another fission event.)

Explanation / Answer

The neutron generation rate in a particular reactor is 1.5 ms. The reactor is ge

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