REALISTIC BOUNDING METHODOLOGY OF MASS/ENERGY RELEASE FOR THE SUBCOMPARTMENT PRESSURE/TEMPERATURE ON HIGH ENERGY PIPE BREAK AT NUCLEAR POWER PLANT

摘要

The present invention relates to a realistic bounding methodology(RBM) of mass/energy release for the subcompartment pressure/temperature on a high energy pipe break at a nuclear power plant. More specifically, when a mass/energy release rate which is inputted to the subcompartment through the end of a breaking part of a pipe when the high energy pipe is broken at a domestic nuclear power plant designed by a foreign technology is calculated, by providing an appropriate conservative property in the analysis of the result which is calculated optimally using RELAP5 computing code, an analysis of subcompartment pressure/temperature is possible by using an evaluation methodology which is practical and appropriately conservative, thereby satisfying the requirements for licensing and also preventing or minimizing unnecessary direct physical design changes regarding structures, systems and apparatuses.