Capillary models for porous media. VII. Study of gaseous flow in the transition from the Knudsen to the counter-diffusion regimes

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Abstract
For pt.VI see ibid., vol.10, p.1911 (1977). Structure factors have been calculated for the interdiffusion of two gases in random capillary networks over the region of the transition from Knudsen to gaseous diffusion. Parallel bundle and serial models were also investigated as the extremes for high and low connectivity. Certain limits on the magnitude of the structure factors have been demonstrated and these indicate that strong variation of kappa g with pressure would only be evident for non-random network structures.