United States Nuclear Regulatory Commission - Protecting People and the Environment

Development of a Computer Tool for In-Depth Analysis and Post Processing of the RELAP5 Thermal Hydraulic Code (NUREG/IA-0253)

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Publication Information

Manuscript Completed: April 2003
Date Published: April 2011

Prepared by:
Roberto Herrero Santos* and José María Izquierdo Rocha*

*Consejo de Seguridad Nuclear
Justo Dorado, 11
28040 Madrid – Spain

A. Calvo, NRC Project Manager

Prepared for:
Division of Systems Analysis
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

Prepared as part of:
The Agreement on Research Participation and Technical Exchange
Under the International Code Assessment and Maintenance Program (CAMP)

Availability Notice


The Spanish Nuclear Safety Council (CSN) has sponsored the development of a computer tool for the error diagnosis and interpretation of the results obtained with the code RELAP5/MOD3.2.

The report describes the tests used to check the consistency of the results and illustrates some application examples that point out some defficiencies in the code.

Page Last Reviewed/Updated Monday, May 05, 2014