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Wing-type vortex generators for fin-and-tube heat exchangers.

Author(s) : FIEBIG M., VALENCIA A., MITRA N. K.

Type of article: Article

Summary

The effect of wing-type vortex generators on heat transfer and pressure drop of a fin-and-tube heat exchanger element was investigated. Local heat transfer was measured by liquid crystal thermography on the fin in the Reynolds number range of 600-2700. Flow losses were estimated from the measured pressure drop of an element. Delta winglets were used as vortex generators. Four fin-and-tube configurations were tested, an inline and a staggered arrangement, each with plain fins and with fins with a pair of vortex generators behind each tube.

Details

  • Original title: Wing-type vortex generators for fin-and-tube heat exchangers.
  • Record ID : 1995-0846
  • Languages: English
  • Source: Exp. therm. Fluid Sci. - vol. 7 - n. 4
  • Publication date: 1993

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