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COMPBRN III - A Computer Code for Modeling Compartment Fires (NUREG/CR-4566)

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Publication Information
Abstract

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NUREG/CR-4566 (PDF - 5.75 MB)

Publication Information

Vincent Ho*
Nathan Siu*
George Apostolakis*
George F. Flanagan

NRC Monitor:
Ben Buchbinder
Division of Risk Analysis and Operations

Program Manager:
G. F. Flanagan
Oak Ridge National Laboratory

Principal Investigator:
G. F. Flanagan
Oak Ridge National Laboratory

Manuscript Completed: November 1985
Date Published: July 1986

Prepared for the
U.S. Nuclear Regulatory Commission
Office of Nuclear Regulatory Research
Under Interagency Agreement DOE 40-550-75
NRC FIN No. B0493

Work Performed Under
ORNL Subcontract No. 19X-22270

*Mechanical, Aerospace and Nuclear Engineering Department
University of California,
Los Angeles Los Angeles, California 90024

Prepared by the
Oak Ridge National Laboratory
Oak Ridge, Tennessee 37831
operated by
Martin Marietta Energy System, Inc.
for the
U.S. DEPARTMENT OF ENERGY
under Contract no. DE-ACO5-84OR21400

Availability Notice

Abstract

The computer code COMPBRN III deterministically models the behavior of compartment fires. This code is an improvement of the original COMPERN codes. It employs a different air entrainment model and numerical scheme to estimate properties of the ceiling hot gas layer model. Moreover, COMPBRN III incorporates a number of improvements in shape factor calculations and error checking, which distinguish it from the COMPBRN II code. This report presents the ceiling hot gas layer model employed by COMPBRN III as well as several other modifications. Information necessary to run COMPBRN III, including descriptions of required input and resulting output, are also presented. Simulation of experiments and a sample problem are included to demonstrate the usage of the code.