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Heat convection in an Darcy porous media

Posted 2015年2月25日 GMT-5 11:01 Heat Transfer & Phase Change, Porous Media Flow, Modeling Tools & Definitions, Parameters, Variables, & Functions Version 5.0 0 Replies

Bastiano Deschmann
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hi everyone. I'm using comsol 5.0 with the "darcy law" module and the "heat transfer in a porous media" module. My current aim is to simulate heat convection into a carbonate layer filled with water. This is the first time I use comsol so I'm not very prectised with it. This is my set up:

Geometry: simple 2D square

Darcy: fluid and matrix properties with material data, no flux on the sides and no pressure.

Heat Transfer in a porous media: fluid and matrix properties with material data (I selected the darcy law flow field), a certain initial temperature and a different temperature for each square side.

The study is stationary.

The results show no flow at all into my box, as if the temperature doesn't affect water's density. Why do this occours? I have to link somehow density and temperature? I suppose something lacks in my darcy settings.

Thanks
0 Replies Last Post 2015年2月25日 GMT-5 11:01
COMSOL Moderator

Hello Bastiano Deschmann

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