METALLOGRAPHIC EXAMINATION OF ORNL NO. 1, SHE NO. 2

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Description

Small Heat Exchanger ORNL No. I, type SHE No. 2, was removed from test stand B after 2071 hours of operation; 1041 hours were under 4 T conditions. The heat exchanger contatned 20 Inconel tubes having an outside diameter of 0.25 in. and a wall thickness of 0.025 in. The outside of these tubes was exposed to the fluoride mixture NaF contained NaK (44% Na--56% K). During o degradation t T conditions, the fluoride temperature entering the heat exchanger was 1310 tained F and on leaving was 1235 tained F. The temperature of the NaK entering the heat exchanger was ... continued below

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13 p.

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VanCleve, J.E.; DeVan, J.H. & Crouse, R.S. February 1, 1957.

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Description

Small Heat Exchanger ORNL No. I, type SHE No. 2, was removed from test stand B after 2071 hours of operation; 1041 hours were under 4 T conditions. The heat exchanger contatned 20 Inconel tubes having an outside diameter of 0.25 in. and a wall thickness of 0.025 in. The outside of these tubes was exposed to the fluoride mixture NaF contained NaK (44% Na--56% K). During o degradation t T conditions, the fluoride temperature entering the heat exchanger was 1310 tained F and on leaving was 1235 tained F. The temperature of the NaK entering the heat exchanger was 1050 tained F and at the exit was 1290 tained F. During isothermal operation, the temperature of both the NaK and fluoride circuits was 1300 tained F. Thirtysix termperature transitions from isothermal to o degradation t T conditions were made during the course of operation. An examination of the resistance heater used in conjunction with this heat exchanger also was made: the results are reported. (auth)

Physical Description

13 p.

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NTIS

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  • Other Information: Decl. Oct. 9, 1959. Orig. Receipt Date: 31-DEC-60

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  • Report No.: CF-57-2-93
  • Grant Number: None
  • DOI: 10.2172/4177091 | External Link
  • Office of Scientific & Technical Information Report Number: 4177091
  • Archival Resource Key: ark:/67531/metadc868687

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • February 1, 1957

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

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  • Oct. 11, 2017, 3:37 p.m.

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VanCleve, J.E.; DeVan, J.H. & Crouse, R.S. METALLOGRAPHIC EXAMINATION OF ORNL NO. 1, SHE NO. 2, report, February 1, 1957; Tennessee. (digital.library.unt.edu/ark:/67531/metadc868687/: accessed December 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.