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Conjugate Heat Transfer

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Old   October 10, 2018, 05:55
Default Conjugate Heat Transfer
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Gowrav Shenoy
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Hi,

I am modeling a Conjugate Heat Transfer Problem in Fluent.
In my case, Metal pipe gets heated by Solar Radiation. I need to find the heat loss due to convection and radiation from a pipe carrying water to outside atmospheric air.
Here, water inside the pipe is a sink and constant heat flux on the wall is the source. Now, the wall is transferring heat to air, after transferring a little to water.
How to model this ??

In Fluent, Air-Solid-Water Separately modeled and meshed together as separate volume meshes. On the Solid wall, the constant heat flux (in) is defined. Water flow rate defined. Atmospheric air velocity defined. How to define the heat flux (out) to air?

Regards
Gowrav
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