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Embedded converging surface microchannels for minimized friction and thermal irreversibilities.

Author(s) : NATERER G. F.

Type of article: Article

Summary

Embedded converging surface microchannels are developed as effective new ways of reducing entropy production in boundary layer flow with convective heat transfer. A similarity solution with slip-flow boundary conditions is developed to find the spatial distributions of velocity, temperature, wall shear stress and wall heat flux. Mixed Knudsen number conditions along the surface require both slip-flow and no-slip formulations to be combined in an integral solution. Predicted results from the method of entropy-based surface micro-profiling are presented for the optimized microchannel aspect ratio, spacing between adjacent microchannels and the angles characterizing the converging microchannels.

Details

  • Original title: Embedded converging surface microchannels for minimized friction and thermal irreversibilities.
  • Record ID : 2005-1711
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 48 - n. 7
  • Publication date: 2005/03

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