The author presents the heat equation for combined radiation and conduction transfer, applied to a plane stratified absorbing-emitting medium. Two special cases are discussed. In the first case, the solution for the temperature profile around an opaque hollow sphere is presented. The sphere is subject to external radiation; it has arbitrary conductance and variable surface optical properties. This case shows the individual and combined effects of the conductance parameter, μ, and the surface radiative properties, absorptance and emittance.The second case concerns temperature profile and heat transfer through a layer of solid condensed gas. Here the temperature profile shows that effect of volume absorption is much like that of a distributed heat source. The author also discusses the diffusion approximation and some recent modifications to include conduction.


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    Title :

    Combined Radiation and Conduction Heat Transfer: Application in Design


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    1969 International Automotive Engineering Congress and Exposition ; 1969



    Publication date :

    1969-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English