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Probabilistic Models for the
Behavior of Compartment Fires (NUREG/CR-2269)
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Publication Information
Manuscript Completed: November 1980
Date Published: August 1981
Prepared by
N.O. Siu
School of.Engineering and Applied Science
University of California:
Los Angeles, CA 90024
Prepared for
Division of Risk Analysis
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, D.C. 20555
NRC FIN B6284
Availability
Notice
Abstract
Physical models which predict the thermal hazards (including temperatures and heat fluxes) during a compartment fire as functions of space
and time are developed. Since large uncertainties are inherent to the
analysis the models are probabilistic.
General models are constructed for the periods of fire growth and
fully developed burning. These models are used in sample-analyses to
estimate the fire hazard in particular compartments.
The overall methodology requires the synthesis of a deterministic
physical model from information available in the literature. Uncertainties
in the input parameters required by the deterministic model are
assessed and are incorporated with. the uncertainties in the model itself
to form state of knowledge distributions for the thermal hazards.
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