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Requirements for Establishing Detector
Siting Criteria in Fires Involving
Electrical Materials (NUREG/CR-2475)
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Publication Information
Manuscript Completed: November 1981
Date Published: July 1983
Prepared by
A. L. Berlad*, M. Sibulkin**, C. H. Yang*
Brookhaven National Laboratory Department of Nuclear Energy Upton, NY 11973
*State University of New York Stony Brook, New York 11794
**Brown University Providence, RI 02912
Prepared for
Division of Systems Integration
Office of Nuclear Reactor Regulation
U.S. Nuclear Regulatory Commission
Washington, D.C. 20555 NRC FIN A3315
Availability
Notice
Abstract
A knowledge of combustion phenomena and their characteristics is necessary
in accident analyses related to the release of hydrogen. As a result of
the accident at Three Mile Island, and from the results of related studies of
hypothetical degraded core accidents, it is recognized that combustion of hydrogen
may, under some circumstances, threaten the integrity of a reactor containment
building. In general, detailed combustion information is required in
order to:
(a) Understand and characterize the combustion phenomena and processes
which may occur in a containment building;
(b) Identify the criticality or limiting conditions under which important
combustion processes may be extinguished, initiated, or otherwise
transformed;
(c) Provide data and information for analytic modeling of safety-related
hypothetical accident scenarios;
(d) Allow modelers to predict with confidence, where possible, the consequences
of naturally occurring and/or induced combustion processes;
(e) Guide safety-related strategies aimed at mitigation of accident related
combustion;
(f) Identify areas where inadequate understanding exists;
(g) Distinguish among the ranges of applicability of selected items and
classes of combustion data, experiments, theories, and models.
In pursuit of these objectives, this report attempts to provide a perspective on combustion processes which may not otherwise be derived easily from the enormously diverse combustion literature.
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