• R S Beniwal

      Articles written in Pramana – Journal of Physics

    • Thermal conduction through porous and dispersed three-phase systems

      Ramvir Singh R S Beniwal R N Pande D R Chaudhary

      More Details Abstract Fulltext PDF

      A loose three-phase system made of metal, non-metal and air is considered resulting from small successive dispersions in effective continuous medium (ecm). The effective thermal conductivity of loose three-phase systems is estimated by extending theecm approach to multi-phase systems. The unsteady state line source (needle) method is employed to determine the effective thermal conductivity of some selected three-phase materials. The calculated and observed values show good agreement suggesting that the continuous medium approach can be applied to estimate effective thermal conductivity of multi-phase systems.

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