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Effective thermal conductivity of granulated two-phase systems at interstitial air pressures

  • Solid State Physics
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Abstract

Considering the htermal conduction through molecular collisions an expression for the effective thermal conductivityλ e of loose and granular two-phase materials at different interstitial air pressure has been derived. The dependence ofλ e on pore and particle sizes, characteristic pressure and radiative heat transfer is also discussed. Calculated values ofλ e of glass beads and loose building materials are compared with reported results.

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Authors and Affiliations

  1. Department of Physics, University of Rajasthan, 302 004, Jaipur, India

    R N Pande & D R Chaudhary

  2. Government College, Dholpur, Rajasthan, India

    R N Pande

Authors
  1. R N Pande
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  2. D R Chaudhary
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Pande, R.N., Chaudhary, D.R. Effective thermal conductivity of granulated two-phase systems at interstitial air pressures. Pramana - J Phys 24, 781–786 (1985). https://doi.org/10.1007/BF02846798

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  • DOI: https://doi.org/10.1007/BF02846798

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