Letter | Published:

Permeability and the Size Distribution of Pores


A RECENT communication by T. J. Marshall1 directs attention to a formula for calculating the permeability of a porous medium from its pore-size distribution. This appears to be derived from an implicit model for a porous structure which is very similar to a model which we have found useful at the Gulf Laboratories. However, the formulæ which we derive are somewhat different from Dr. Marshall's.

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  1. 1

    Marshall, T. J., Nature, 180, 664 (1957).

  2. 2

    Burdine, N. T., Trans. Amer. Inst. Mech. Eng., 198, 71 (1953).

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