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Title: Extensions to SCDAP/RELAP5/MOD2 debris analysis models for the severe accident analysis of Savannah River Site (SRS) reactors preliminary design report

Abstract

Proposed extensions to the debris analysis model in the SCDAP/RELAP5 code to perform severe accident analyses of Savannah River Plant reactors are described. Designs are presented for the following areas of development: (a) calculating convective and radiative heat transfer at the surfaces of a debris region; (b) calculating heatup of a structure and supported debris that interfaces with several fluid control volumes; (c) modeling the addition of transported material to the surfaces of any structure represented by the debris analysis model; (d) calculating the two-dimensional heatup of an arbitrary number of structures in the reactor system; (e) modeling the effect of natural convection of liquefied material on heat transfer in a debris bed; and (f) modeling fission product release and aerosol generation in a debris bed. 11 refs., 12 figs., 7 tabs.

Authors:
;
Publication Date:
Research Org.:
EG and G Idaho, Inc., Idaho Falls, ID (USA)
Sponsoring Org.:
DOE/NE
OSTI Identifier:
6817946
Alternate Identifier(s):
OSTI ID: 6817946; Legacy ID: DE90013096
Report Number(s):
EGG-EAST-8508
ON: DE90013096; TRN: 90-021735
DOE Contract Number:  
AC07-76ID01570
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
22 GENERAL STUDIES OF NUCLEAR REACTORS; 21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; 99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; PRODUCTION REACTORS; MELTDOWN; SAVANNAH RIVER PLANT; AEROSOLS; C CODES; COMPUTERIZED SIMULATION; CORIUM; FISSION PRODUCT RELEASE; HEAT TRANSFER; HYDRAULICS; INTERFACES; QUALITY ASSURANCE; REACTOR CORES; REACTOR SAFETY; S CODES; TEMPERATURE DISTRIBUTION; ACCIDENTS; COLLOIDS; COMPUTER CODES; DISPERSIONS; ENERGY TRANSFER; FLUID MECHANICS; MECHANICS; NATIONAL ORGANIZATIONS; REACTOR ACCIDENTS; REACTOR COMPONENTS; REACTORS; SAFETY; SIMULATION; SOLS; US AEC; US DOE; US ERDA; US ORGANIZATIONS 220900* -- Nuclear Reactor Technology-- Reactor Safety; 220700 -- Nuclear Reactor Technology-- Plutonium & Isotope Production Reactors; 990200 -- Mathematics & Computers

Citation Formats

Siefken, L.J., and Moore, R.L.. Extensions to SCDAP/RELAP5/MOD2 debris analysis models for the severe accident analysis of Savannah River Site (SRS) reactors preliminary design report. United States: N. p., 1989. Web.
Siefken, L.J., & Moore, R.L.. Extensions to SCDAP/RELAP5/MOD2 debris analysis models for the severe accident analysis of Savannah River Site (SRS) reactors preliminary design report. United States.
Siefken, L.J., and Moore, R.L.. Thu . "Extensions to SCDAP/RELAP5/MOD2 debris analysis models for the severe accident analysis of Savannah River Site (SRS) reactors preliminary design report". United States.
@article{osti_6817946,
title = {Extensions to SCDAP/RELAP5/MOD2 debris analysis models for the severe accident analysis of Savannah River Site (SRS) reactors preliminary design report},
author = {Siefken, L.J. and Moore, R.L.},
abstractNote = {Proposed extensions to the debris analysis model in the SCDAP/RELAP5 code to perform severe accident analyses of Savannah River Plant reactors are described. Designs are presented for the following areas of development: (a) calculating convective and radiative heat transfer at the surfaces of a debris region; (b) calculating heatup of a structure and supported debris that interfaces with several fluid control volumes; (c) modeling the addition of transported material to the surfaces of any structure represented by the debris analysis model; (d) calculating the two-dimensional heatup of an arbitrary number of structures in the reactor system; (e) modeling the effect of natural convection of liquefied material on heat transfer in a debris bed; and (f) modeling fission product release and aerosol generation in a debris bed. 11 refs., 12 figs., 7 tabs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Jun 01 00:00:00 EDT 1989},
month = {Thu Jun 01 00:00:00 EDT 1989}
}

Technical Report:
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