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RADIATION HEAT TRANSFER IN FOAM INSULATION.

Author(s) : GLICKSMAN L., SCHUETZ M., SINOFSKY M.

Type of article: Article

Summary

THE CONTRIBUTION OF RADIATION HEAT TRANSFER TO THE OVERALL CONDUCTIVITY OF FOAM INSULATIONS HAS BEEN EXAMINED. THE ABSORPTION AND SCATTERING COEFFICIENTS AS WELL AS THE PHASE FUNCTION WERE MEASURED FOR FOAM AND GLASS FIBRE INSULATION. A SIMPLE ABSORPTION COEFFICIENT CAN BE DERIVED FROM TRANSMISSIVITY MEASUREMENTS OVER A RANGE OF SAMPLE THICKNESS. WHEN THIS ABSORPTION COEFFICIENT IS USED IN THE DIFFUSION EQUATION TO PREDICT THE RADIATIVE FLUX FOR FOAMS, THE ERROR IN THE CALCULATED RADIANT FLUX IS OF THE ORDER OF 10%.

Details

  • Original title: RADIATION HEAT TRANSFER IN FOAM INSULATION.
  • Record ID : 1987-2123
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 30 - n. 1
  • Publication date: 1987

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