Quantitative characterizations of phasic structure developments by local measurement methods in two-phase flow

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An experimental study on the internal structure an a out in a 25.4 mm ID pipe. The local void fraction and interfacial area concentration were measured by a double-sensor probe. The flow structure development was visualized by measuring the radial distribution of these two parameters at three axial, locations (L/D = 12, 62, and 112). A more detailed study on the fully developed flow structure was conducted at L/D = 120. The interfacial structure were measured by the double- and four-sensor probes. A bubbly to-=slug transition region was defined according to the local data.The area-averaged void fraction measurements were given ... continued below

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13 p.

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Eberle, C.S.; Leung, W.H.; Wu, Q.; Ueno, T. & Ishii, M. June 1, 1995.

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Description

An experimental study on the internal structure an a out in a 25.4 mm ID pipe. The local void fraction and interfacial area concentration were measured by a double-sensor probe. The flow structure development was visualized by measuring the radial distribution of these two parameters at three axial, locations (L/D = 12, 62, and 112). A more detailed study on the fully developed flow structure was conducted at L/D = 120. The interfacial structure were measured by the double- and four-sensor probes. A bubbly to-=slug transition region was defined according to the local data.The area-averaged void fraction measurements were given by a gamma densitometer. Other parameters such as the Taylor bubble film thickness, bubble length and slug unit length in slug flow were measured by a film robe. The redundant measurements were made to calibrate the local probe measurements. The quantitative representation of the phasic structure can then be used for modeling.

Physical Description

13 p.

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OSTI as DE95012920

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  • ICMF `95: 2. international conference on multiphase flow, Kyoto (Japan), 3-7 Apr 1995

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  • Other: DE95012920
  • Report No.: ANL/IFR/CP--85915
  • Report No.: CONF-950445--3
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 78714
  • Archival Resource Key: ark:/67531/metadc720448

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  • June 1, 1995

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  • Sept. 29, 2015, 5:31 a.m.

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  • Dec. 14, 2015, 11:33 a.m.

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Eberle, C.S.; Leung, W.H.; Wu, Q.; Ueno, T. & Ishii, M. Quantitative characterizations of phasic structure developments by local measurement methods in two-phase flow, article, June 1, 1995; Illinois. (digital.library.unt.edu/ark:/67531/metadc720448/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.