engleski

Use of GOTHIC Code for Assessment of Equipment Environmental Qualification

Environmental qualification (EQ) of equipment important to safety in nuclear power plants ensures its capability to perform designated safety function on demand under postulated service conditions, including harsh accident environment (e.g. LOCA, HELB). The computer code GOTHIC was used to calculate pressure and temperature profiles inside NPP Krško containment during limiting LOCA and MSLB accidents. The results of the new best-estimate containment code are compared to the older CONTEMPT code using the same input data and assumptions. The predictions obtained by both codes are very similar. As a result of the calculation the envelopes of the LOCA and MSLB pressures and temperatures, as used in FSAR/USAR Chapter 6, can be used in EQ project.

environmental qualification; nuclear power plants; accident environment

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