Applications of reliability degradation analysis

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Description

Reliability degradation analysis is the analysis of the occurrences of degradations and the times of maintenance to determine their reliability and risk implications. A program is presented for applying reliability degradation analyses to maintenance data collected at nuclear power plants. As a specific part of the program, time trending of maintenance data is illustrated. Maintenance data on residual heat removal (RHR) pumps and service water (SW) pumps at selected boiling water reactor (BWR) plants are evaluated to show how trends in maintenance data, which generally do not involve failures, can be used to understand effectiveness of maintenance. These trends also ... continued below

Physical Description

43 p.

Creation Information

Vesely, W. E. & Samanta, P. K. February 1996.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this report can be viewed below.

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Authors

  • Vesely, W. E. Science Applications International Corp., Dublin, OH (United States)
  • Samanta, P. K. Brookhaven National Lab., Upton, NY (United States)

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Publishers

  • U.S. Nuclear Regulatory Commission
    Publisher Info: Nuclear Regulatory Commission, Washington, DC (United States). Div. of Engineering Technology
    Place of Publication: Washington D.C.
  • Brookhaven National Laboratory
    Publisher Info: Brookhaven National Lab., Upton, NY (United States)
    Place of Publication: Upton, New York

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Description

Reliability degradation analysis is the analysis of the occurrences of degradations and the times of maintenance to determine their reliability and risk implications. A program is presented for applying reliability degradation analyses to maintenance data collected at nuclear power plants. As a specific part of the program, time trending of maintenance data is illustrated. Maintenance data on residual heat removal (RHR) pumps and service water (SW) pumps at selected boiling water reactor (BWR) plants are evaluated to show how trends in maintenance data, which generally do not involve failures, can be used to understand effectiveness of maintenance. These trends also are translated to specific impacts on pump unavailability and on core-damage frequency (assuming that the trends in failure rate are the same as those observed for degradation rate). The second application shows the use of reliability degradation analysis to quantitatively evaluate the effect of maintenance, i.e., the quantitative change in component unavailability when no maintenance is performed. Assessment of these impacts are important since they measure the reliability and risk impacts of maintenance and can be fed back to the maintenance program to improve its effectiveness.

Physical Description

43 p.

Notes

INIS; OSTI as TI96006221

Source

  • Other Information: PBD: Feb 1996

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Identifier

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  • Other: TI96006221
  • Report No.: NUREG/CR--6415
  • Report No.: BNL-NUREG--52488
  • Grant Number: AC02-76CH00016
  • DOI: 10.2172/198847 | External Link
  • Office of Scientific & Technical Information Report Number: 198847
  • Archival Resource Key: ark:/67531/metadc672911

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • February 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

Description Last Updated

  • April 8, 2016, 8:16 p.m.

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Vesely, W. E. & Samanta, P. K. Applications of reliability degradation analysis, report, February 1996; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc672911/: accessed September 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.