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

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    • Keywords


      Characteristic pressure; effective mean free path; molecular collisions; pore diameter

    • Abstract


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

    • Author Affiliations


      R N Pande1 2 D R Chaudhary1

      1. Department of Physics, University of Rajasthan, Jaipur - 302 004, India
      2. Government College, Dholpur, Rajasthan, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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