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

      R N Pande D R Chaudhary

      Solid State Physics Volume 24 Issue 5 May 1985 pp 781-786

    • Fulltext

       

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      https://www.ias.ac.in/article/fulltext/pram/024/05/0781-0786

    • 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

       
      Published
      May 1985
      Manuscript received
      18 July 1984
      Manuscript revised
      28 December 1984

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