2013
DOI: 10.1080/07362994.2013.777287
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A Stochastic Analysis of Power Doubling Time for a Subcritical System

Abstract: The power doubling time for a subcritical system is identified as a stochastic firstpassage time problem. Using stochastic point kinetics equations, relations for the mean doubling time and the standard deviation in doubling time are derived. It is shown that the power doubling time for a subcritical system is independent of whether the system is fast or thermal, weakly depends on source strength, and is approximately proportional to the inverse of the reactivity for small negative values of the reactivity.

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Cited by 6 publications
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“…Another application of exit time in biology is in development of hu-man life table data [19]. In addition, the power doubling time for a subcritical system is a first-passage time problem in nuclear engineering [3].…”
Section: Mean First Exit Time Problemmentioning
confidence: 99%
“…Another application of exit time in biology is in development of hu-man life table data [19]. In addition, the power doubling time for a subcritical system is a first-passage time problem in nuclear engineering [3].…”
Section: Mean First Exit Time Problemmentioning
confidence: 99%