Enhanced heat transfer using wire-coil inserts for high-heat-load applications.

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Description

Enhanced heat-transfer techniques, used to significantly reduce temperatures and thermally induced stresses on beam-strike surfaces, are routinely used at the APS in all critical high-heat-load components. A new heat-transfer enhancement technique being evaluated at the APS involving the use of wire-coil inserts proves to be superior to previously employed techniques. Wire coils, similar in appearance to a common spring, are fabricated from solid wire to precise tolerances to mechanically fit inside standard 0.375-in-diameter cooling channels. In this study, a matrix of wire coils, fabricated with a series of different pitches from several different wire diameters, has been tested for heat-transfer ... continued below

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11 pages

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Collins, J. T.; Conley, C. M.; Attig, J. N. & Baehl, M. M. September 20, 2002.

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Description

Enhanced heat-transfer techniques, used to significantly reduce temperatures and thermally induced stresses on beam-strike surfaces, are routinely used at the APS in all critical high-heat-load components. A new heat-transfer enhancement technique being evaluated at the APS involving the use of wire-coil inserts proves to be superior to previously employed techniques. Wire coils, similar in appearance to a common spring, are fabricated from solid wire to precise tolerances to mechanically fit inside standard 0.375-in-diameter cooling channels. In this study, a matrix of wire coils, fabricated with a series of different pitches from several different wire diameters, has been tested for heat-transfer performance and resulting pressure loss. This paper reviews the experimental data and the analytical calculations, compares the data with existing correlations, and interprets the results for APS front-end high-heat-load components.

Physical Description

11 pages

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  • 2nd International Workshop on Mechanical Engineering Design of Synchrotron Radiation Equipment and Instrumentation (MEDSI 2002), Argonne, IL (US), 09/05/2002--09/06/2002

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  • Report No.: ANL/XFD/CP-107826
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 801614
  • Archival Resource Key: ark:/67531/metadc735067

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  • September 20, 2002

Added to The UNT Digital Library

  • Oct. 19, 2015, 7:39 p.m.

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  • March 21, 2016, 1:55 p.m.

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Collins, J. T.; Conley, C. M.; Attig, J. N. & Baehl, M. M. Enhanced heat transfer using wire-coil inserts for high-heat-load applications., article, September 20, 2002; Illinois. (digital.library.unt.edu/ark:/67531/metadc735067/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.