The fact that the neutron flux is solution of an eigenvalue problem seems to indicate that the reactor is unstable. Either \(k > 1\) and the neutron flux increases exponentially. Either \(k < 1\) and the neutron flux decreases exponentially! Yes, but what is the time constant of such exponential functions?

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Delayed Neutrons and Reactor Kinetics

  • Bertrand Mercier

摘要

The fact that the neutron flux is solution of an eigenvalue problem seems to indicate that the reactor is unstable. Either \(k > 1\) and the neutron flux increases exponentially. Either \(k < 1\) and the neutron flux decreases exponentially! Yes, but what is the time constant of such exponential functions?