Current practice and developmental efforts for leak detection in US reactor primary systems

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Current leak detection practices in 74 operating nuclear reactors have been reviewed. Existing leak detection systems are adequate to ensure a leak-before-break scenario in most situations, but no currently available, single method combines optimal leakage detection sensitivity, leak-locating ability, and leakage measurement accuracy. Simply tightening current leakage limits may produce an unacceptably large number of unnecessary shutdowns. The use of commercially available acoustic monitoring systems or moisture-sensitive tape may improve leak detection capability at specific sites. However, neither of these methods currently provides source discrimination (e.g., to distinguish between leaks from pipe cracks and valves) or leak-rate information (a small ... continued below

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Pages: 9

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Kupperman, D.S. & Claytor, T.N. July 1, 1985.

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Description

Current leak detection practices in 74 operating nuclear reactors have been reviewed. Existing leak detection systems are adequate to ensure a leak-before-break scenario in most situations, but no currently available, single method combines optimal leakage detection sensitivity, leak-locating ability, and leakage measurement accuracy. Simply tightening current leakage limits may produce an unacceptably large number of unnecessary shutdowns. The use of commercially available acoustic monitoring systems or moisture-sensitive tape may improve leak detection capability at specific sites. However, neither of these methods currently provides source discrimination (e.g., to distinguish between leaks from pipe cracks and valves) or leak-rate information (a small leak may saturate the system). A field-implementable acoustic leak detection system is being developed to address these limitations. 5 refs., 3 figs.

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Pages: 9

Notes

NTIS, PC A02/MF A01 - GPO.

Source

  • CSNI specialist meeting on continuous monitoring techniques for assuring coolant circuit integrity, London, England, 12 Aug 1985

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  • Other: TI85016606
  • Report No.: CONF-8508106-1
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 5417753
  • Archival Resource Key: ark:/67531/metadc1074301

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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

  • July 1, 1985

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • April 17, 2018, 6:33 p.m.

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Kupperman, D.S. & Claytor, T.N. Current practice and developmental efforts for leak detection in US reactor primary systems, article, July 1, 1985; Illinois. (digital.library.unt.edu/ark:/67531/metadc1074301/: accessed May 28, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.