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ABSTRACT
The performance of two digital reactivity meters, one based on the conventional inverse kinetic method and the other one based on simple feedback theory, are compared analytically using their respective transfer functions. The latter one is proposed by one of the authors. It has been shown that the performance of the two reactivity meters become almost identical when proper system parameters are selected for each reactivity meter. A new correlation between the system parameters of the two reactivity meters is found. With this correlation, filter designers can easily determine the system parameters for the respective reactivity meters to obtain identical performance.
Acknowledgments
The authors express sincere gratitude to Dr W.F.G. van Rooijen of the Research Institute of Nuclear Engineering, University of Fukui, Japan for his assistance in the preparation of this manuscript.
A part of this study is the result of ‘Development of sub-criticality monitoring method during shutdown and refueling modes of nuclear power plant operation’ carried out under the Center of World Intelligence Project for Nuclear S&T and Human Resource Development by the Ministry of Education, Culture, Sports, Science and Technology of Japan [grant number 271105].
Disclosure statement
No potential conflict of interest was reported by the authors.