Irrecoverable pressure loss coefficients for a short radius of curvature piping elbow at high Reynolds numbers

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Description

Pressure drops in a piping elbow are experimentally determined for high Reynolds number flows. The testing described has been performed in order to reduce uncertainties in the currently used design values for predicting irrecoverable pressure losses. The earlier high Reynolds number correlations had been based on extrapolations over several orders of magnitude in Reynolds number from where the original database existed. The test data shows about a factor of two lower elbow pressure loss coefficient (at 40 {times} 10{sup 6} Reynolds number) than those current correlations.

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24 p.

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Coffield, R.D.; Hammond, R.B.; Koczko, J.P.; McKeown, P.T. & Zirpoli, P.J. June 1, 1998.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 119 times , with 16 in the last month . More information about this article can be viewed below.

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  • Bettis Atomic Power Laboratory
    Publisher Info: Bettis Atomic Power Lab., West Mifflin, PA (United States)
    Place of Publication: West Mifflin, Pennsylvania

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Description

Pressure drops in a piping elbow are experimentally determined for high Reynolds number flows. The testing described has been performed in order to reduce uncertainties in the currently used design values for predicting irrecoverable pressure losses. The earlier high Reynolds number correlations had been based on extrapolations over several orders of magnitude in Reynolds number from where the original database existed. The test data shows about a factor of two lower elbow pressure loss coefficient (at 40 {times} 10{sup 6} Reynolds number) than those current correlations.

Physical Description

24 p.

Notes

OSTI as DE98004231

Source

  • 1998 ASME International Fluids Engineering Division summer meeting, Washington, DC (United States), 20-25 Jun 1998

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  • Other: DE98004231
  • Report No.: WAPD-T--3190
  • Report No.: CONF-980631--
  • Grant Number: AC11-93PN38195
  • Office of Scientific & Technical Information Report Number: 650318
  • Archival Resource Key: ark:/67531/metadc702844

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • June 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

Description Last Updated

  • Dec. 1, 2015, 4:19 p.m.

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Coffield, R.D.; Hammond, R.B.; Koczko, J.P.; McKeown, P.T. & Zirpoli, P.J. Irrecoverable pressure loss coefficients for a short radius of curvature piping elbow at high Reynolds numbers, article, June 1, 1998; West Mifflin, Pennsylvania. (digital.library.unt.edu/ark:/67531/metadc702844/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.