Application of leak-before-break analysis to PWR (pressurized water reactor) piping designed by Combustion Engineering: Final report
This program was conducted to develop guidelines by which pressurized water reactor piping systems other than main coolant piping can be evaluated in order to justify removal of currently required protective hardware. A survey of piping systems was performed on a generic basis to determine a prioritization for using the Leak-Before-Break (LBB) approach on different pipelines. Criteria pertaining to the LBB approach and to piping support optimization were examined. An evaluation of a sample pipeline was performed to demonstrate the methodologies used and considerations of criteria made to optimize its support system and to justify the elimination of its design basis pipe breaks. This report provides guidelines for using these methods of piping optimization, surveys piping systems for the use of the LBB approach, and presents a summary of the sample evaluation.
- Research Organization:
- Combustion Engineering, Inc., Windsor, CT (USA); Electric Power Research Inst., Palo Alto, CA (USA)
- OSTI ID:
- 6660529
- Report Number(s):
- EPRI-NP-5010; ON: TI87920300
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
PIPES
CRACK PROPAGATION
LEAKS
PWR TYPE REACTORS
REACTOR COOLING SYSTEMS
COST BENEFIT ANALYSIS
CRACKS
DESIGN
DESIGN BASIS ACCIDENTS
EVALUATION
FATIGUE
FRACTURE MECHANICS
LEAK DETECTORS
OPTIMIZATION
REACTOR MATERIALS
SAFETY STANDARDS
SEISMOLOGY
SYSTEMS ANALYSIS
ACCIDENTS
COOLING SYSTEMS
ENERGY SYSTEMS
MATERIALS
MECHANICAL PROPERTIES
MECHANICS
REACTOR ACCIDENTS
REACTOR COMPONENTS
REACTORS
STANDARDS
WATER COOLED REACTORS
WATER MODERATED REACTORS
220900* - Nuclear Reactor Technology- Reactor Safety
210200 - Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled