Title :
Monitoring of core support barrel motion in PWRs using excore detectors
Author :
Robinson, J.C. ; Hardy, J.W. ; Shamblin, G.R. ; Wolff, C.W.
Author_Institution :
The University of Tennessee
Abstract :
Core Support Barrel (CSB) motion was quantified in a PWR using the following statistical descriptors: cross and auot power spectral density, coherence, and amplitude probability density. A scale factor was calculated for quantifying the CSB motion. We found it necessary to employ two-dimensional geometry complexity for the calculations of the scale factor. The statistical descriptors used for quantifying CSB motion had to be obtained from band-limited signals. The frequency range used for band-limiting was determined from the phase and the coherence between diametrically opposite excore power range monitors.
Keywords :
Boron; Density functional theory; Detectors; Fluctuations; Fourier transforms; Frequency; Monitoring; Motion detection; Neutrons; Safety;
Conference_Titel :
Decision and Control including the 16th Symposium on Adaptive Processes and A Special Symposium on Fuzzy Set Theory and Applications, 1977 IEEE Conference on
Conference_Location :
New Orleans, LA, USA
DOI :
10.1109/CDC.1977.271689