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The optimal spacing of cylinders in free-stream cross-flow forced convection.

Author(s) : STANESCU G., FOWLER A. J., BEJAN A.

Type of article: Article

Summary

In the first part, the optimal spacing and corresponding maximum thermal conductance are determined based on experiments with forced air for H/D = 6.2 and in the Reynolds number range 50-4000, where Reynolds number is based on the free-stream approach velocity with cylinder diameter D and the array length in the flow direction H. In the second part, similar results are developed based on numerical simulations for Prandtl number= 0.72, in the H/D range 10-20 and in the Reynolds number range 40-200. The results are explained and correlated analytically by intersecting the small-spacing and large-spacing asymptotes of the thermal conductance function.

Details

  • Original title: The optimal spacing of cylinders in free-stream cross-flow forced convection.
  • Record ID : 1996-2171
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 39 - n. 2
  • Publication date: 1996/01

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