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Dynamic Rod Worth Measurement
Volume 132 · Number 3 · December 2000 · Pages 403-412
Technical Paper · Nuclear Plant Operations and Control
Y. A. Chao, D. M. Chapman, D. J. Hill, L. R. Grobmyer
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The dynamic rod worth measurement (DRWM) technique is a method of quickly validating the predicted bank worth of control rods and shutdown rods. The DRWM analytic method is based on three-dimensional, space-time kinetic simulations of the rapid rod movements. Its measurement data is processed with an advanced digital reactivity computer. DRWM has been used as the method of bank worth validation at numerous plant startups with excellent results. The process and methodology of DRWM are described, and the measurement results of using DRWM are presented.
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