United States Nuclear Regulatory Commission - Protecting People and the Environment

Hydrogen-Burn Survival Experiments at Fully Instrumented Test Site (FITS) (NUREG/CR-3521, SAND83-1715)

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Publication Information

Manuscript Completed: December 1983
Date Published
: August 1984

Prepared by:
Elizabeth H. Richards, John J. Aragon
Sandia National Laboratories
Albuquerque. New Mexico 87185
Operated by Sandia Corporation
for the U.S. Department of Energy
Under Contract No. DE-AC04-76DP00789

Prepared for:
Severe Accident Assessment Branch
Division of Accident Evaluation
Office of Nuclear Regulatory Research

and

Chemical Engineering Branch
Division of Engineering
Office of Nuclear Reactor Regulation

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

Under Interagency Agreement DOE 40-550-75

NRC FIN A-1270 and A-1306

Availability Notice

Abstract

A series of hydrogen-burn experiments conducted for the Hydrogen-Burn Survival Program is described. The experiments, executed at Sandia National Laboratories' Fully Instrumented Test Site (FITS) facility in Albuquerque, provided data concerning the hydrogen-burn thermal environment as it relates to equipment survivability in nuclear power plants.

The test plan, instrumentation, and results are presented, along with a brief discussion of test volume (scale) considerations. Conclusions drawn from the results concern the repeatability of the tests, the suitability of thermocouples for measuring gas temperatures, and the effects of initial hydrogen concentrations and fans on the responses of calorimeters and components. The effect of initial steam concentration on temperature response cannot be determined because of preignition pressure considerations.

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