Analysis of Flow Impedance Phenomena. Final report, June 1, 1978-July 31, 1979. [LMFBR]

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Pressure drop data obtained during testing of the MARK I, II and IIA fuel assemblies in the Argonne National Laboratory liquid metal core component loop (CCTL) were analyzed. It is concluded that the previously unexplained pressure drop increase measured across the MARK II and MARK IIA assemblies was caused by metallic particulate fouling; the source was mechanical-chemical wear of the loops pump journal shaft. The implication to liquid metal breeder reactor (LMFBR) operation is that if a continuous source of metallic particles exists upstream of the core, a pressure drop increase can be expected. The size of the deposited particles ... continued below

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Pages: 102

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Bishop, A. A. December 1, 1979.

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Description

Pressure drop data obtained during testing of the MARK I, II and IIA fuel assemblies in the Argonne National Laboratory liquid metal core component loop (CCTL) were analyzed. It is concluded that the previously unexplained pressure drop increase measured across the MARK II and MARK IIA assemblies was caused by metallic particulate fouling; the source was mechanical-chemical wear of the loops pump journal shaft. The implication to liquid metal breeder reactor (LMFBR) operation is that if a continuous source of metallic particles exists upstream of the core, a pressure drop increase can be expected. The size of the deposited particles should be larger than the thickness of laminar sublayer on a fuel rod. It is also concluded that the most probable source of metallic particulates will come from component failure and not from normal corrosion products. A small amount of deposited particulates can produce a relatively high pressure drop increase.

Physical Description

Pages: 102

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Dep. NTIS, PC A06/MF A01.

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  • Report No.: COO-4932.M001-2
  • Grant Number: ET-78-S-02-4932
  • DOI: 10.2172/5664550 | External Link
  • Office of Scientific & Technical Information Report Number: 5664550
  • Archival Resource Key: ark:/67531/metadc1092880

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Creation Date

  • December 1, 1979

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

Description Last Updated

  • March 15, 2018, 5:07 p.m.

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Bishop, A. A. Analysis of Flow Impedance Phenomena. Final report, June 1, 1978-July 31, 1979. [LMFBR], report, December 1, 1979; Pennsylvania. (digital.library.unt.edu/ark:/67531/metadc1092880/: accessed June 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.