#### dRic2

Gold Member

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I know that it is only an approximation to get an idea, but at times it works quite well (in class we solved the kinetics equation for a PWR reactor (point-reactor model) with MATLAB and then we plotted the solution along with the prompt jump approximation... It was very good).

But I did not fully understand when you can use it. It seems to me that the main conditions are:

1) very small mean generation time

2) I have a step of reactivity very far from 1$ (much smaller or bigger).

Any other constraints ? (Point-reactor model for kinetics equation must hold in the first place)

Thanks Ric

But I did not fully understand when you can use it. It seems to me that the main conditions are:

1) very small mean generation time

2) I have a step of reactivity very far from 1$ (much smaller or bigger).

Any other constraints ? (Point-reactor model for kinetics equation must hold in the first place)

Thanks Ric

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