Radial Temperature Profile of Sodium Pool Boiling Heater Assembly

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Description

The radial temperature around a sodium reactor heater assembly submerged in water is calculated using a model of the heater cross section found by conformal mapping. Thermocouple readings were also analyzed. When the heat flux is 5 x 10/sup 5/ Btu/hr-ft/sup 2/, a radial temperature drop of about 680 deg C across the center of the thermocouple well is calculated and found to be within 6% of the experimental value. Since most of this drop is across the 0.001-in. helium gap between the heater and its sleeve, it is concluded that the thermocouple will have to be bonded to the ... continued below

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8 p.

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Cappel, H. H. February 22, 1960.

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Description

The radial temperature around a sodium reactor heater assembly submerged in water is calculated using a model of the heater cross section found by conformal mapping. Thermocouple readings were also analyzed. When the heat flux is 5 x 10/sup 5/ Btu/hr-ft/sup 2/, a radial temperature drop of about 680 deg C across the center of the thermocouple well is calculated and found to be within 6% of the experimental value. Since most of this drop is across the 0.001-in. helium gap between the heater and its sleeve, it is concluded that the thermocouple will have to be bonded to the sleeve for dependable reading of true sleeve temperature. Drawings of the heater assembly and thermocouple are given. (D. L. C.)

Physical Description

8 p.

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NTIS

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  • Other Information: Orig. Receipt Date: 31-DEC-60

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  • Report No.: NAA-SR-Memo-4914
  • Grant Number: None
  • DOI: 10.2172/4140982 | External Link
  • Office of Scientific & Technical Information Report Number: 4140982
  • Archival Resource Key: ark:/67531/metadc864642

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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

  • February 22, 1960

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

Description Last Updated

  • Oct. 11, 2017, 2:37 p.m.

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Cappel, H. H. Radial Temperature Profile of Sodium Pool Boiling Heater Assembly, report, February 22, 1960; Canoga Park, California. (digital.library.unt.edu/ark:/67531/metadc864642/: accessed September 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.