and Reaction - University of Michigan
cross-sectional area that is normal to diffusion. 2 It is a function of the ratio of maximum to minimum pore areas (Figure 12-2(a)). When the two areas, A 1 and A 2, are equal, the constriction factor is unity, and when 10, the con-striction factor is approximately 0.5. Example 12–1 Finding the Tortuosity
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