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Measurement of wall conductive heat flux in turbulent gas flow by laser beam deflection.

Author(s) : AMMOURI F. el-, TAINE J.

Type of article: Article

Summary

The main advantage of this method is the elimination of the radiative flux contribution. The beam deflection is due to the refractive index gradient field induced by a temperature gradient field at constant pressure. Experimental data are treated by using a parameter estimation method. Experimental fluxes associated with Reynolds number based on the hydraulic diameter in the range 1.75 x 10,000 - 3.5 x 10,000 and a temperature gradient in the range 60-120 K/mm agree with the results of a two-dimensional turbulence model when taking into account all uncertainty causes.

Details

  • Original title: Measurement of wall conductive heat flux in turbulent gas flow by laser beam deflection.
  • Record ID : 1995-1544
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 37 - n. 12
  • Publication date: 1994/08

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