TEMPERATURE STRUCTURE IN THE GAS COOLED REACTOR FUEL ELEMENTS USING A SCALLOPED COOLANT CHANNEL

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An analysis of the temperature structure in the GCR2 fuel elements and coolant stream at the position where the maximum fuel element surface temperature exists was presented in a previous paper (CF-58-5-97). It was felt that the peripheral temperature variation existing on the fuel rods as brought out in that analysis was due mainly to the poor flow distribution of the coolant with respect to the heat flux. The most expedient way to alleviate this situation without changing the fuel element assembly itself is to scallop the channel so that it becomes, in effect, seven channels merged together to form ... continued below

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Pages: 11

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Epel, L.G. March 16, 1959.

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Description

An analysis of the temperature structure in the GCR2 fuel elements and coolant stream at the position where the maximum fuel element surface temperature exists was presented in a previous paper (CF-58-5-97). It was felt that the peripheral temperature variation existing on the fuel rods as brought out in that analysis was due mainly to the poor flow distribution of the coolant with respect to the heat flux. The most expedient way to alleviate this situation without changing the fuel element assembly itself is to scallop the channel so that it becomes, in effect, seven channels merged together to form a single passage. This geometry was studied by use of the IBM 704 digital computer in much the same way the earlier problems were investigated. Since the heat transfer coefficient depends much more strongly on free flow area than on equivalent diameter, the free flow area of the model reported on was made equal to that of the 3.25 in. circular channel so that a comparison of the results of the two configurations would be meaningful.(auth)

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Pages: 11

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  • Other Information: Orig. Receipt Date: 31-DEC-59

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  • Report No.: CF-59-3-39
  • Grant Number: W-7405-ENG-26
  • DOI: 10.2172/4277286 | External Link
  • Office of Scientific & Technical Information Report Number: 4277286
  • Archival Resource Key: ark:/67531/metadc1023805

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • March 16, 1959

Added to The UNT Digital Library

  • Oct. 15, 2017, 10:09 p.m.

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  • Oct. 23, 2017, 2:28 p.m.

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Epel, L.G. TEMPERATURE STRUCTURE IN THE GAS COOLED REACTOR FUEL ELEMENTS USING A SCALLOPED COOLANT CHANNEL, report, March 16, 1959; Oak Ridge, Tennessee. (digital.library.unt.edu/ark:/67531/metadc1023805/: accessed September 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.