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Single-phase thermosiphon cooling of an array of discrete heat sources in a rectangular cavity.

Author(s) : POLENTINI M. S., RAMADHYANI S., INCROPERA F. P.

Type of article: Article

Summary

Experiments were performed with FC77 and water to investigate free convection heat transfer from a 3 x 3 array of flush-mounted, discrete heat sources cooled by an opposing wall in a rectangular enclosure. The effects of the heater location, the enclosure width, the spacing between heaters, and the inclination of the enclosure were studied. For a vertical enclosure, heat transfer was a maximum and a minimum for the bottom and top rows of heated elements, respectively. Heat transfer was not affected by changes in the enclosure aspect ratio. On inclining the enclosure toward a horizontal (heated from below) orientation, the flow became unsteady and three-dimensional, resulting in significantly enhanced heat transfer for the upper element rows.

Details

  • Original title: Single-phase thermosiphon cooling of an array of discrete heat sources in a rectangular cavity.
  • Record ID : 1994-1532
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 36 - n. 16
  • Publication date: 1993/11

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