ABSTRACT
"SCDAP/RELAP5 INDEPENDENT PEER REVIEW "
M. L. Corradini, V. K. Dhir, T. J. Haste, T. J. Heames, R. P.
Jenks, J. E. Kelly, M. Khatib-Rahbar, and R. Viskanta
The SCDAP/RELAP5 code has been developed for best-estimate transient simulation
of light-water-reactor coolant systems during severe accidents. The newest
version of the code is SCDAP/RELAP5/MOD3. The US Nuclear Regulatory Commission
(NRC) decided that there was a need for a broad technical review of the
code by recognized experts to determine overall technical adequacy, even
though the code is still under development. For this purpose, an eight-member
SCDAP/RELAP5 Peer Review Committee was organized, and the outcome of the
review should help the NRC prioritize future code-development activity.
Because the code is designed to be mechanistic, the Committee used a higher
standard for technical adequacy than was employed in the peer review of
the parametric MELCOR code. The Committee completed its review of the SCDAP/RELAP5
code, and the findings are documented in this report. Based on these findings,
recommendations in five areas are provided: (1) phenomenological models,
(2) code-design objectives, (3) code-targeted applications, (4) other findings,
and (5) additional recommendations.
LA-2481 (December 1992)
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