Modelling diffusion in nonuniform solids using entropy production rate
作者： Thomas Christen
DOI: 10.1088/0022-3727/40/18/032
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摘要: With the help of entropy production rate, a Smoluchowski equation is derived for model particle diffusion in nonuniform solid at local thermodynamic equilibrium. It turns out that current density absence an external potential proportional to gradient product temperature × density, which can be understood as flow driven by partial-pressure particles. The result also obtained from nonequilibrium variational principles. As example consequence this type thermo-diffusion, we discuss occurrence maximum finite polymer with dependent mobility.
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