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- W2007949445 abstract "Kozeny's approximate solution to the problem of fluid flow through porous media is developed and the result is checked by experimental data on air flow through plugs of cotton, wool, rayon, and glass wool fibers. The solution gives WA=kγ02μ(τσ)(1−c)32c2(−δp2δx)for the isothermal linear flow of a gas. W/A is the macroscopic flux density; μ, the viscosity; γ0, the density of the gas at unit pressure; τ/σ, the volume of fibers divided by their surface area; c, the fraction of space occupied by fibers; δp2/δx, the macroscopic gradient of the square of the pressure; and k is a numerical constant which depends on the shape and orientations of the fluid passages. k was found experimentally to be 0.18, which is in approximate agreement with the value found for flow through media made up of spherical particles. The dependence of the flow on the factor c was checked over the approximate range from c=0.1 to c=more than 0.5. τ/σ and c have values for fineness and density of samples of fibers in fair agreement with independent determinations." @default.
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- W2007949445 date "1940-07-01" @default.
- W2007949445 modified "2023-10-03" @default.
- W2007949445 title "Flow of a Gas Through Porous Media" @default.
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- W2007949445 doi "https://doi.org/10.1063/1.1712801" @default.
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