Optimal calibration of nuclear instrumentation

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Description

Accurate knowledge of core power level is essential for the safe and efficient operation of nuclear power plants. Ionization chambers located outside the reactor core have the necessary reliability and response time characteristics and have been used extensively to indicate power level. The calibration of the ion chamber, and associated nuclear instrumentation (NI), has traditionally been based on the thermal power in the secondary coolant system. The usual NI calibration procedure consists of establishing steady-state operating conditions, calorimetrically determining the power at the secondary side of the steam generator, and adjusting the NI output to correspond to the measured thermal ... continued below

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Pages: 8

Creation Information

Griffith, J.M.; Bray, M.A. & Feeley, J.J. January 1, 1981.

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Description

Accurate knowledge of core power level is essential for the safe and efficient operation of nuclear power plants. Ionization chambers located outside the reactor core have the necessary reliability and response time characteristics and have been used extensively to indicate power level. The calibration of the ion chamber, and associated nuclear instrumentation (NI), has traditionally been based on the thermal power in the secondary coolant system. The usual NI calibration procedure consists of establishing steady-state operating conditions, calorimetrically determining the power at the secondary side of the steam generator, and adjusting the NI output to correspond to the measured thermal power. This study addresses certain questions including; (a) what sampling rate should be employed, (b) how many measurements are required, and (c) how can additional power level related information such as primary coolant loop measurements and knowledge of plant dynamics be included in the calibration procedure.

Physical Description

Pages: 8

Notes

NTIS, PC A02/MF A01.

Source

  • American Nuclear Society's annual meeting, Miami Beach, FL, USA, 7 Jun 1981

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  • Other: DE81026016
  • Report No.: CONF-810606-72
  • Grant Number: AC07-76ID01570
  • Office of Scientific & Technical Information Report Number: 6070548
  • Archival Resource Key: ark:/67531/metadc1108832

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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

  • January 1, 1981

Added to The UNT Digital Library

  • Feb. 22, 2018, 7:45 p.m.

Description Last Updated

  • March 20, 2018, 7:48 p.m.

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Griffith, J.M.; Bray, M.A. & Feeley, J.J. Optimal calibration of nuclear instrumentation, article, January 1, 1981; United States. (digital.library.unt.edu/ark:/67531/metadc1108832/: accessed May 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.