RELAP5/MOD2 Post-Test Calculation of the OECD LOFT Experiment LP-SB-1 (NUREG/IA-0074, ICSP–LP–SB–1–R)

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Publication Information

Date Published: April 1992

Prepared by:
J. Perez, R. Mendizabal

Consejo de Seguaridad Nuclear
Justo Dorado, 44
28040 Madrid, Spain

Prepared as part of:
The Agreement on Research Participation and Technical Exchange
under the International Thermal-Hydraulic Code Assessment
and Application Program (ICAP)

Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

Availability Notice


This document presents the analysis of the OECD LOFT LP-SB-1 experiment performed by the Consejo de Seguridad Nuclear of Spain working group making use of RELAP5/MOD2 in the frame of the Spanish LOFT Project.

LP-SB-1 experiment studies the effect of an early pump trip in a small break LOCA scenario with a 3 inches equivalent diameter break in the hot leg of a commercial PWR.

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