WATER CHEMISTRY AND FUEL ELEMENT SCALE IN EBWR

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The first two sections summarize investigations in EBWR concenced with some aspects of water chemistry. The results of many of these investigations have not been previously published in a form given wide distribution. Included are studies of water conditions, corrosion products (composition, activities, transportation, deposition, and distribution), water dissociation, water activity, fission-product release, and build-up of plant activity. The last two sections of the report give the results of studies of the heattansfer characteristics of fuel-element scale and effects of high-temperature heating on scale removal and fuelelement growth. The maximum scale thickness measured was about 0.008 in. Heat-transfer calculations based ... continued below

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Pages: 105

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Breden, C.R.; Charak, I. & Leyse, R.H. November 1, 1960.

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Description

The first two sections summarize investigations in EBWR concenced with some aspects of water chemistry. The results of many of these investigations have not been previously published in a form given wide distribution. Included are studies of water conditions, corrosion products (composition, activities, transportation, deposition, and distribution), water dissociation, water activity, fission-product release, and build-up of plant activity. The last two sections of the report give the results of studies of the heattansfer characteristics of fuel-element scale and effects of high-temperature heating on scale removal and fuelelement growth. The maximum scale thickness measured was about 0.008 in. Heat-transfer calculations based on scale thermal conductivity measurements indicate the possibility of maximum fuel temperatures as high at 1692/sup o/F at 100-Mw operation of the core. This temperature is in a range where fuel growth, with resulting fuel element distortion and damage, is expected. Observed trends that may alleviate damage are the tendency of scale to flake off in high-heat transfer areas and the restraining effect of cladding on growth of fuel. No satisfactory means has been found to descale the fuel plates. (auth)

Physical Description

Pages: 105

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NTIS

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  • Other Information: Orig. Receipt Date: 31-DEC-61

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  • Report No.: ANL-6136
  • Grant Number: W-31-109-ENG-38
  • DOI: 10.2172/4081362 | External Link
  • Office of Scientific & Technical Information Report Number: 4081362
  • Archival Resource Key: ark:/67531/metadc870850

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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.

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Creation Date

  • November 1, 1960

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

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  • Dec. 2, 2016, 6:22 p.m.

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Breden, C.R.; Charak, I. & Leyse, R.H. WATER CHEMISTRY AND FUEL ELEMENT SCALE IN EBWR, report, November 1, 1960; Illinois. (digital.library.unt.edu/ark:/67531/metadc870850/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.