1984•Transactions of the American Nuclear SocietyRequires access
Pressurized water reactor transient identification and monitoring technique using reactor coolant pumps
J.P. Adams, Paul D. Bayless, C.A. Dobbe, J.R. Fincke
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Abstract
The statement that RCP parameters can be used to measure the local fluid density and to identify transient type, have been verified and extended to commercial PWRs using extensive LOFT and test pump data for void fractions up to approx. 0.3. It has been further demonstrated that the local density is a conservative (low) measure of the density of the primary coolant system. An exception to this may exist as indicated by the calculation of commercial PWR operations wherein the average primary system void fraction started to increase prior to that at the RCP inlet. Thus, RCPs can be used to identify the transient type and to monitor the recovery from the transient.