United States Nuclear Regulatory Commission - Protecting People and the Environment

Heat and Mass Release for Some Transient Fuel Source Fires: A Test Report (NUREG/CR-4680, SAND86-0312)

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Publication Information

Manuscript Completed: October 1986
Date Published: October 1986

Prepared by:
Steven P. Nowlen
Sandia National Laboratories
P.O. Box 5800
Albuquerque. New Mexico 87185
Operated by Sandia Corporation
for the U.S. Department of Energy
Under Contract No. DE-AC04-76DP00789

Prepared for:
Electrical Engineering Branch
Division of Engineering Technology
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

Under Memorandum of Understanding DOE 40-550-75

NRC FIN A-1010

Availability Notice

Abstract

Nine fire tests using five different trash fuel source packages were conducted by Sandia National Laboratories. This report presents the findings of these tests. Data reported includes heat and mass release rates, total heat and mass release, plume temperatures, and average fuel heat of combustion.

These tests were conducted as a part of the U.S. Nuclear Regulatory Commission sponsored fire safety research program. Data from these tests were intended for use in nuclear power plant probabilistic risk assessment fire analyses. The results were also used as input to a fire test program at Sandia investigating the vulnerability of electrical control cabinets to fire.

The fuel packages tested were chosen to be representative of small to moderately sized transient trash fuel sources of the type that would be found in a nuclear power plant. The highest fire intensity encountered during these tests was 145 kW. Plume temperatures did not exceed 820°C.

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