Heat transfer and Fluid flow

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Hello I'm trying to simulate a block material which is put in a laminar flow. What I want to study is the termodynamic of the system ( because the fluid and the material have different temperatures) and the fluiddynamic. My problem is that when I select the materials domani for the 2 blocks, one inside the other it doesn't work: in fact the bigger block made of water it's okbut the interior block whic maybe suppose now made of plastic, Comsol wanted me to know the "mu" value and force me to set it. How can I solve this problem? Thank you all, bye :)



3 Replies Last Post 26 apr 2019, 08:50 GMT-4
Jeff Hiller COMSOL Employee

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Posted: 3 months ago 15 mar 2019, 08:26 GMT-4

You will find many models showing how to set up a conjugate heat transfer model with COMSOL in the Application Gallery, for instance this heat sink model.

Best regards,

Jeff

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Jeff Hiller
You will find many models showing how to set up a conjugate heat transfer model with COMSOL in the Application Gallery, for instance [this heat sink model](https://www.comsol.com/model/heat-sink-8574). Best regards, Jeff

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Posted: 3 months ago 21 mar 2019, 10:19 GMT-4

Have you set it the material as a solid in the heat transfer interface?

Have you set it the material as a solid in the heat transfer interface?

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Posted: 2 months ago 26 apr 2019, 08:50 GMT-4

Thank you marvin I already fixed that problem at the end. thanks anyway

Thank you marvin I already fixed that problem at the end. thanks anyway

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