充填層における有効拡散係数

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  • Effective Diffusivity of Packed Bed

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Effective diffusivities of packed beds containing crushed calcite, beach sand and lead shots were obtained by examining diffusion of non-flowing benzene and watcr vapor through them.<BR>To compare these diffusivities with electric conductivities, specific electric conductivities of similar beds were observed as function of fractional void, and the result wasreprcsented by experimental formula as follows.<BR>The ratio of De/Df obtained from this investigation was in agreement with that of k /kf, <BR>D : Effective diffusivity of packed bed<BR>Df: Diffusivity of fluid<BR>k : Specific electric conductivity of packed bed<BR>kf: Specifice lectric conductivity of fluid<BR>ε: Fractional void

収録刊行物

  • 化学工学

    化学工学 21 (1), 2-7, 1957

    公益社団法人 化学工学会

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