Effects of sleeve blockages on air velocity distributions in an unheated 7 x 7 rod bundle. [PWR]
An experimental study is described which was performed to investigate the turbulent air velocity distributions near postulated sleeve blockages in a model nuclear fuel rod bundle. The sleeve blockages were characteristic of fuel clad ''swelling'' or ''ballooning'' which might occur during loss-of-coolant accidents (LOCA) in pressurized water reactors. The study was conducted to provide air velocity distributions near postulated blockages, to compare the air results with data obtained in a prior water experiment, and to further evaluate the use of the COBRA computer program for predicting flow distributions in rod bundles containing partial flow blockages.
- Research Organization:
- Battelle Pacific Northwest Labs., Richland, Wash. (USA)
- DOE Contract Number:
- E(45-1)-1830
- OSTI ID:
- 7195920
- Report Number(s):
- BNWL-1975
- Country of Publication:
- United States
- Language:
- English
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Air velocity profiles near sleeve blockages in an unheated 7 x 7 rod bundle. [PWR]
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Related Subjects
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210200 -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
22 GENERAL STUDIES OF NUCLEAR REACTORS
220900* -- Nuclear Reactor Technology-- Reactor Safety
ACCIDENTS
AIR
COMPARATIVE EVALUATIONS
COMPUTER CALCULATIONS
DATA
FLOW BLOCKAGE
FLUID FLOW
FLUIDS
FUEL ASSEMBLIES
FUEL ELEMENT CLUSTERS
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HYDROGEN COMPOUNDS
INFORMATION
LOSS OF COOLANT
MOCKUP
OXYGEN COMPOUNDS
PWR TYPE REACTORS
REACTOR ACCIDENTS
REACTORS
SIMULATION
STRUCTURAL MODELS
WATER
WATER COOLED REACTORS
WATER MODERATED REACTORS