Results of performance testing the Russian RPV temperature measurement probe used for annealing

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This paper provides information on three (3) topics related to temperature measurements in an annealing procedure: (1) results of a series of experiments performed by CNIITMASH of the Russian consortium MOHT on their reactor pressure vessel (RPV) temperature measurement probe, (2) a discussion regarding uncertainties and errors in RPV temperature measurements, and (3) predictions from a thermal model of a spherical RPV temperature measurement probe. MOHT teamed with MPR Associates and was to perform the Annealing Demonstration Project (ADP) on behalf of the US Department of Energy, ESEERCo, EPRI, CRIEPI, Framatome, and Consumers Power Co. at the Midland plant. Experimental ... continued below

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29 p.

Creation Information

Nakos, J.T. & Selsky, S. March 1, 1998.

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Authors

  • Nakos, J.T. Sandia National Labs., Albuquerque, NM (United States)
  • Selsky, S. CNIITMASH, Moscow (Russian Federation)

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

This paper provides information on three (3) topics related to temperature measurements in an annealing procedure: (1) results of a series of experiments performed by CNIITMASH of the Russian consortium MOHT on their reactor pressure vessel (RPV) temperature measurement probe, (2) a discussion regarding uncertainties and errors in RPV temperature measurements, and (3) predictions from a thermal model of a spherical RPV temperature measurement probe. MOHT teamed with MPR Associates and was to perform the Annealing Demonstration Project (ADP) on behalf of the US Department of Energy, ESEERCo, EPRI, CRIEPI, Framatome, and Consumers Power Co. at the Midland plant. Experimental results show that the CNIITMASH probe errors are a maximum of about 27 C (49 F) during a 15 C/hr (27 F/hr) heat-up but only about 3 C (5.4 F) (0.6%) during the hold portion at 470 C (878 F). These errors are much smaller than those obtained from a similar series of experiments performed by Sandia National Laboratories (Sandia). The discussion about uncertainties and errors shows that results presented as a temperature difference provides a measure of the probe error. Qualitative agreement is shown between the model predictions, the experimental results of the CNIITMASH probe and the experimental results of a series of similar experiments performed by Sandia.

Physical Description

29 p.

Notes

INIS; OSTI as DE98004210

Source

  • EPRI reactor pressure vessel thermal annealing demonstration conference, Santa Fe, NM (United States), 31 Mar - 1 Apr 1998

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  • Other: DE98004210
  • Report No.: SAND--98-0781C
  • Report No.: CONF-980353--
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/650329 | External Link
  • Office of Scientific & Technical Information Report Number: 650329
  • Archival Resource Key: ark:/67531/metadc710004

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Creation Date

  • March 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

Description Last Updated

  • April 14, 2016, 6:42 p.m.

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Nakos, J.T. & Selsky, S. Results of performance testing the Russian RPV temperature measurement probe used for annealing, report, March 1, 1998; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc710004/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.