Conference Proceedings Paper
PICKERING NGS EMERGENCY WATER SUPPLY SYSTEM EMERGENCY START FLOW SIMULATION AND EXPERIMENT
CNS 24th Nuclear Simulation Symposium - 2012 October 15-16
Evan Davidge (Ontario Power Generation)
Arvind Misra (Ontario Power Generation)
A proposed modification to the OPG Pickering Nuclear Generation Station Emergency Water Supply (EWS) system was analyzed using the Industry Standard Toolset code GOTHIC  to determine the acceptability of the proposed system configuration during pump start-up. The new configuration of the system included a vertical dead-ended pipe, initially filled with air. The simulation demonstrated that no significant water hammer effects were predicted and tests performed with the new configuration confirmed the analysis results.
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