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math.DS2023★ 1 cited
Revisiting Maxwell-Smoluchowski theory: low surface roughness in straight channels
Timothy Chumley, Renato Feres, Luis Alberto Garcia German +1
The Maxwell-Smoluchowski (MS) theory of gas diffusion is revisited here in the context of gas transport in straight channels in the Knudsen regime of large mean free path. This cla…
math.DS2020★ 1 cited
Knudsen diffusivity in random billiards: spectrum, geometry, and computation
Timothy Chumley, Renato Feres, Luis Alberto Garcia German
We develop an analytical framework and numerical approach to obtain the coefficient of self-diffusivity for the transport of a rarefied gas in channels in the limit of large Knudse…