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Diffusion and absorption simulation

Posted 8 mag 2017, 03:37 GMT-4 3 Replies

Jens Kanje Nordberg
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Hello

I want to calculate the rate of absorption and diffusion of water from humid air into a solid material. However, I can only find information in COMSOL about diffusion spreading inside one material.

Can I model absorption and diffusion from a gas into a solid?

Thanks for any help
3 Replies Last Post 9 mag 2017, 01:54 GMT-4
Lasse Murtomäki
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Posted: 8 years ago 8 mag 2017, 08:28 GMT-4
Hi

Please check the tutorial of the reverse process, evaporation from porous material. It gives the appropriate boundary conditions etc.

Lasse
Hi Please check the tutorial of the reverse process, evaporation from porous material. It gives the appropriate boundary conditions etc. Lasse
Jens Kanje Nordberg
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Posted: 8 years ago 8 mag 2017, 09:08 GMT-4
Thank you Lasse. Do you have any recommendations for which module/modules to run? I have been looking at Transport of Diluted Species and Species Transport in Porous Media.
Thank you Lasse. Do you have any recommendations for which module/modules to run? I have been looking at Transport of Diluted Species and Species Transport in Porous Media.
Lasse Murtomäki
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Posted: 8 years ago 9 mag 2017, 01:54 GMT-4
Hi

These are from the application library, under Heat transfer.

cheers
Lasse
Hi These are from the application library, under Heat transfer. cheers Lasse

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