Computation of hydraulic forces on a BWR vessel at feedwater pipe break using RELAP 5 code

Müller, Ferenc (2001) Computation of hydraulic forces on a BWR vessel at feedwater pipe break using RELAP 5 code. JOURNAL OF COMPUTATIONAL AND APPLIED MECHANICS, 2 (1). pp. 87-93. ISSN 1586-2070

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Abstract

Pipe breaks are a major consideration when designing electrical power generation plants, especially for nuclear power plants. The most important pipes in nuclear power plants are those which are connected to the reactor vessel. The reactor vessel, its internal parts, and the connected pipes themselves all have to withstand forces generated due to pipe break. In this paper we give some results of the calculated forces on a BWR vessel at feedwater pipe break. The thermohydraulic calculations have been done by using the RELAP 5 code. This code has proven to be appropriate for calculation of hydraulic forces in such a situation.

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