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Fick's diffusion
Posted 27.07.2017, 04:54 GMT-4 1 Reply
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Hi
I am trying to model water vapor diffusion thought polymer materials (as mulilayers configuration) and I am using the transport of diluted species interface. The concetration is indicated as model input, however I only have the vapor pressure on external boundaries.
is it possible on comsol to model fick's law with pressure as dependant variable rather than concentration ?
thanks for your help
I am trying to model water vapor diffusion thought polymer materials (as mulilayers configuration) and I am using the transport of diluted species interface. The concetration is indicated as model input, however I only have the vapor pressure on external boundaries.
is it possible on comsol to model fick's law with pressure as dependant variable rather than concentration ?
thanks for your help
1 Reply Last Post 30.07.2017, 02:50 GMT-4
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Posted:
7 years ago
You can use Henri's law to convert your vapor pressure to concentration: c = K*p.