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Denny, V.E.; Wassel, A.T.; Issacci, F.; Pal Kalra, S.
Proceedings of the fourth international topical meeting on nuclear thermal hydraulics, operations and safety. Vol. 22004
Proceedings of the fourth international topical meeting on nuclear thermal hydraulics, operations and safety. Vol. 22004
AbstractAbstract
[en] A PC-based thermal-hydraulic toolkit for use in support of outage optimization, management and risk assessment has been developed. This mechanistic toolkit incorporates simple models of key thermal-hydraulic processes which occur during an outage, such as recovery from or mitigation of outage upsets; this includes heat-up of water pools following loss of shutdown cooling, inadvertent drain down of the RCS, boiloff of coolant inventory, heatup of the uncovered core, and reflux cooling. This paper provides a list of key toolkit elements, briefly describes the technical basis and presents illustrative results for RCS transient behavior during reflux cooling, peak clad temperatures for an uncovered core and RCS response to loss of shutdown cooling. (author)
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Nuclear Energy Society, Taipei, Taiwan (China); American Nuclear Society (United States); American Society of Mechanical Engineers (United States); Atomic Energy Society of Japan (Japan); Canadian Nuclear Society (Canada); Korean Nuclear Society (Korea, Republic of); 814 p; 2004; p. 50D1-50D7; 4. international topical meeting on nuclear thermal hydraulics, operations and safety; Taipei, Taiwan (China); 5-8 Apr 1994; This record replaces 35095663; 5 refs, 12 figs, 1 tab
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