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Simulation of three-dimensional hydrodynamic components with a one-dimensional transient analysis code

Conference ·
OSTI ID:6434542
;
Significant multidimensional pressure gradients occur in the water plenum region of the reactors at the Savannah River Site (SRS). A multidimensional RELAP5 input model of the L-Reactor was developed and benchmarked against SRS data. Although RELAP5 is a one-dimensional code, its cross-flow junction allows a multidimensional analysis capability. RELAP5 and the model of L-Reactor calculated water plenum pressures that were in good agreement with measured values for tests with symmetric and asymmetric flow patterns within the plenum. The results indicate that a one-dimensional code such as RELAP5, in conjunction with a carefully designed input model, can be used to predict hydraulic response even when large multidimensional effects are present. 6 refs., 6 figs.
Research Organization:
EG and G Idaho, Inc., Idaho Falls, ID (USA)
Sponsoring Organization:
DOE/NE
DOE Contract Number:
AC07-76ID01570
OSTI ID:
6434542
Report Number(s):
EGG-M-90343; CONF-901154--1; ON: DE91001816
Country of Publication:
United States
Language:
English

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Related Subjects

21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
22 GENERAL STUDIES OF NUCLEAR REACTORS
220700* -- Nuclear Reactor Technology-- Plutonium & Isotope Production Reactors
220900 -- Nuclear Reactor Technology-- Reactor Safety
99 GENERAL AND MISCELLANEOUS
990200 -- Mathematics & Computers
ACCIDENTS
BENCHMARKS
COMPUTER CODES
ENERGY TRANSFER
FLOW MODELS
FLUID MECHANICS
HEAT TRANSFER
HEAVY WATER MODERATED REACTORS
HYDRAULICS
HYDRODYNAMICS
L REACTOR
LOSS OF COOLANT
MATHEMATICAL MODELS
MECHANICS
NATIONAL ORGANIZATIONS
PRESSURE GRADIENTS
PRODUCTION REACTORS
R CODES
REACTOR ACCIDENTS
REACTOR SAFETY
REACTORS
SAFETY
SAVANNAH RIVER PLANT
SPECIAL PRODUCTION REACTORS
T CODES
TRANSIENTS
US AEC
US DOE
US ERDA
US ORGANIZATIONS