PROBLEM 1. a) What is the period for a thermal reactor (Uranium fuel) with prompt neutron lifetime 4.73×10–6 s if the reactivity is 0.0111? What is the reactor period if instead the reactivity is 0.00111? b) Suppose a thermal reactor is operating at a power level of 250 MWe. Control rods are removed to give a reactivity of 0.00047. Neglecting temperature feedback, calculate the time required to go to a power of 300 MWe.
PROBLEM 1. a) What is the period for a thermal reactor (Uranium fuel) with prompt neutron lifetime 4.73×10–6 s if the reactivity is 0.0111? What is the reactor period if instead the reactivity is 0.00111? b) Suppose a thermal reactor is operating at a power level of 250 MWe. Control rods are removed to give a reactivity of 0.00047. Neglecting temperature feedback, calculate the time required to go to a power of 300 MWe.
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Please help. This problem involves nuclear reactor period. Thank you.
Transcribed Image Text:PROBLEM 1.
a) What is the period for a thermal reactor (Uranium fuel) with prompt neutron lifetime 4.73×10–6
s if the reactivity is 0.0111? What is the reactor period if instead the reactivity is 0.00111?
b) Suppose a thermal reactor is operating at a power level of 250 MWe. Control rods are removed
to give a reactivity of 0.00047. Neglecting temperature feedback, calculate the time required to go
to a power of 300 MWe.
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