Two-Phase Pressure Losses Quarterly Progress Report: Fifth Quarter, February 12, 1963 - May 12, 1963

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Description

Technical report describing that void measurements were made in the 1/2-inch by 1-3/4-inch rectangular channel, for both flow up and flow down, at pressures of 600, 1000, and 1400 psia, and at various flows and quantities. Results at 1000 psia and 20 percent quality show that for the lowest flow both the void distribution and the average void are much different for flow down than for flow up, the void fraction for flow down being much higher. However, when the flow is increased both the void distribution and average void for flow down tend to approach the corresponding values for … continued below

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v, 20 pages ; illustrations.

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Janssen, E. (Engineer) & Kervinen, J. A. June 1, 1963.

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Description

Technical report describing that void measurements were made in the 1/2-inch by 1-3/4-inch rectangular channel, for both flow up and flow down, at pressures of 600, 1000, and 1400 psia, and at various flows and quantities. Results at 1000 psia and 20 percent quality show that for the lowest flow both the void distribution and the average void are much different for flow down than for flow up, the void fraction for flow down being much higher. However, when the flow is increased both the void distribution and average void for flow down tend to approach the corresponding values for flow up. At 1000 psia, both flow up and flow down, the void fraction for 5 percent quality increases gradually from the wall to the center of the channel, and peaks at the center. At 20 percent quality, the void fraction increases abruptly from the wall and tends to be constant over the middle 65 percent of the channel. the void fraction for flow down is always greater than for flow up, other things being equal.

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v, 20 pages ; illustrations.

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Digitized from microopaque cards.

Prepared under USAEC Contract AT(04-3)-189 Project Agreement No. 27.

Includes bibliographic references (page 20).

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  • Report No.: GEAP-4275
  • Grant Number: AT(04-3)-189 PA # 27
  • SuDoc Number: Y 3.At 7:22/GEAP-4275
  • Accession or Local Control No: metadc1201355
  • Archival Resource Key: ark:/67531/metadc1201355

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Technical Report Archive and Image Library

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Imaged from microcard, these technical reports describe research performed for U.S. government agencies from the 1930s to the 1960s. The reports were provided by the Technical Report Archive and Image Library (TRAIL).

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  • June 1, 1963

Added to The UNT Digital Library

  • Aug. 15, 2019, 10:26 p.m.

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  • July 7, 2020, 2:15 p.m.

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Thumbnail image of item number 1 in: 'Two-Phase Pressure Losses Quarterly Progress Report: Fifth Quarter, February 12, 1963 - May 12, 1963'.
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Janssen, E. (Engineer) & Kervinen, J. A. Two-Phase Pressure Losses Quarterly Progress Report: Fifth Quarter, February 12, 1963 - May 12, 1963, report, June 1, 1963; San Jose, California.. (https://digital.library.unt.edu/ark:/67531/metadc1201355/: accessed January 20, 2026), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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