Flow Distribution Across the Core. Test Results DL-S-182 (T-550097). Section II

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The purpose of the test was to determine the flow mixing characteristics of the lower plenum. Conclusion: Mixing appears to be quite small. The temperature indicated by the thermocouple nearest the cold loop decreased approximately 15 F. The cold loop temperature was 15 below the initial reactor coolant average temperature when the cold loop was places in services. The thermocouple furthest from the cold loop showed little or no change in temperature. The rate of change of reactor coolant temperature for pumps on 'SLOW" speed was always less than that for pumps on "FAST" speed during comparable runs.

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12 pages : illustrations

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Nadolny, Frank, Jr. Creation Date: Unknown.

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  • Main Title: Flow Distribution Across the Core. Test Results DL-S-182 (T-550097). Section II
  • Series Title: AECU (Series)
  • Series Title: Atomic Energy Commission Reports
  • Added Title: Atomic Energy Commission Report AECU-4005 (2nd issue)

Description

The purpose of the test was to determine the flow mixing characteristics of the lower plenum. Conclusion: Mixing appears to be quite small. The temperature indicated by the thermocouple nearest the cold loop decreased approximately 15 F. The cold loop temperature was 15 below the initial reactor coolant average temperature when the cold loop was places in services. The thermocouple furthest from the cold loop showed little or no change in temperature. The rate of change of reactor coolant temperature for pumps on 'SLOW" speed was always less than that for pumps on "FAST" speed during comparable runs.

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12 pages : illustrations

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Digitized from microopaque cards (1).

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  • Report No.: AECU-4005 (2nd issue)
  • SuDoc Number: Y 3.At 7:22/AECU-4005 (2nd issue)
  • Accession or Local Control No: metadc1240445
  • Archival Resource Key: ark:/67531/metadc1240445

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  • Nov. 5, 2023, 7:50 a.m.

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Nadolny, Frank, Jr. Flow Distribution Across the Core. Test Results DL-S-182 (T-550097). Section II, report, Date Unknown; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc1240445/: accessed May 13, 2026), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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