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Title: Analyses of 1/15 scale Creare bypass transient experiments. [PWR]

Abstract

RELAP4 analyses of several 1/15 scale Creare H-series bypass transient experiments have been done to investigate the effect of using different downcomer nodalizations, physical scales, slip models, and vapor fraction donoring methods. Most of the analyses were thermal equilibrium calculations performed with RELAP4/MOD5, but a few such calculations were done with RELAP4/MOD6 and RELAP4/MOD7, which contain improved slip models. In order to estimate the importance of nonequilibrium effects, additional analyses were performed with TRAC-PD2, RELAP5 and the nonequilibrium option of RELAP4/MOD7. The purpose of these studies was to determine whether results from Westinghouse's calculation of the Creare experiments, which were done with a UHI-modified version of SATAN, were sufficient to guarantee SATAN would be conservative with respect to ECC bypass in full-scale plant analyses.

Authors:
; ;
Publication Date:
Research Org.:
Sandia National Labs., Albuquerque, NM (USA)
OSTI Identifier:
7046213
Report Number(s):
NUREG/CR-2606; SAND-81-1932
ON: DE83000511
DOE Contract Number:  
AC04-76DP00789
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; ECCS; HEAT TRANSFER; HYDRAULICS; LOSS OF COOLANT; PWR TYPE REACTORS; COMPUTER CALCULATIONS; PRESSURE GRADIENTS; REACTOR SAFETY; TEST FACILITIES; ACCIDENTS; ENERGY TRANSFER; ENGINEERED SAFETY SYSTEMS; FLUID MECHANICS; MECHANICS; REACTOR ACCIDENTS; REACTOR PROTECTION SYSTEMS; REACTORS; SAFETY; WATER COOLED REACTORS; WATER MODERATED REACTORS; 220900* - Nuclear Reactor Technology- Reactor Safety; 210200 - Power Reactors, Nonbreeding, Light-Water Moderated, Nonboiling Water Cooled

Citation Formats

Kmetyk, L.N., Buxton, L.D., and Cole, R.K. Jr.. Analyses of 1/15 scale Creare bypass transient experiments. [PWR]. United States: N. p., 1982. Web.
Kmetyk, L.N., Buxton, L.D., & Cole, R.K. Jr.. Analyses of 1/15 scale Creare bypass transient experiments. [PWR]. United States.
Kmetyk, L.N., Buxton, L.D., and Cole, R.K. Jr.. Wed . "Analyses of 1/15 scale Creare bypass transient experiments. [PWR]". United States.
@article{osti_7046213,
title = {Analyses of 1/15 scale Creare bypass transient experiments. [PWR]},
author = {Kmetyk, L.N. and Buxton, L.D. and Cole, R.K. Jr.},
abstractNote = {RELAP4 analyses of several 1/15 scale Creare H-series bypass transient experiments have been done to investigate the effect of using different downcomer nodalizations, physical scales, slip models, and vapor fraction donoring methods. Most of the analyses were thermal equilibrium calculations performed with RELAP4/MOD5, but a few such calculations were done with RELAP4/MOD6 and RELAP4/MOD7, which contain improved slip models. In order to estimate the importance of nonequilibrium effects, additional analyses were performed with TRAC-PD2, RELAP5 and the nonequilibrium option of RELAP4/MOD7. The purpose of these studies was to determine whether results from Westinghouse's calculation of the Creare experiments, which were done with a UHI-modified version of SATAN, were sufficient to guarantee SATAN would be conservative with respect to ECC bypass in full-scale plant analyses.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1982},
month = {9}
}

Technical Report:
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