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High Heat Flux Removal Using Water Subcooled Flow Boiling in a Single-Side Heated Monoblock Channel

[+] Author Affiliations
Ronald D. Boyd, Ali Ekhlassi, Penrose Cofie, Hongtao Zhang

Prairie View A&M University, Prairie View, TX

Paper No. IMECE2003-42005, pp. 107-114; 8 pages
  • ASME 2003 International Mechanical Engineering Congress and Exposition
  • Heat Transfer, Volume 4
  • Washington, DC, USA, November 15–21, 2003
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 0-7918-3718-1 | eISBN: 0-7918-4663-6, 0-7918-4664-4, 0-7918-4665-2
  • Copyright © 2003 by ASME


Optimized and robust designs of one-side-heated plasmafacing components and other high heat flux components is dependent on knowing the local distribution of inside wall heat flux in the flow channels. The local inside wall heat flux can be obtained from selectively chosen local plasma-facing component wall temperatures close to the inside boundary of the flow channel. To this end, three-dimensional thermal measurements for a one-side heated monoblock were made and show: (1) the three-dimensional variation of the wall temperature close to both the heated and fluid-solid surface boundaries, (2) the resultant effects of mass velocity and exit pressure on the 3-D wall temperature/outside heat flux relationship, and (3) the occurrence of local critical heat flux and local post-critical heat flux. The monoblock has a 180.0 mm heated length, has a 10.0 mm inside diameter, and has a square cross-section with 30.0 mm nominal outside surfaces.

Copyright © 2003 by ASME



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