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Nuclear Reactor Digitization Project

Raymond L. Murray Reactor Project Notebook

1. Removal of the control rod in 10 minutes is estimated to be a safe rate.

2. The rate at which the reactor power P increases with rod removal speed vr
is found to be

always smaller than that predicted from the steady-state
power-rod position curve, ie

After a time delay characterized by a time

Thus a test is provided for any pre-assigned rod speed. The maximum slope o
the curve above is

Thus at a speed such that the rod is removed in 10 min (600 sec), then

The analysis loading to those conclusions is given in the Appendix.