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Can "pipe(G)" block be used to model forced air convection?

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Hello,
i am trying to model a battery pack with forced air convection cooling. The pipe(G) block can be used to transfer heat from gas flowing inside a pipe to intended surface geometry. But it is internal flow. My concern is i want to model heat transfer from the surface to the gas(air). But that will become external flow problem. Is it possible to do so?
please help!
thanks.

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Yifeng Tang
Yifeng Tang il 11 Giu 2024
I think it's possible. The combination of cross section and hydraulic diameter will give you a circumference; that multiplied by the pipe length is the total heat transfer area. So I would say it's possible.
  9 Commenti
Yifeng Tang
Yifeng Tang il 29 Giu 2024
If the heat transfer is happening between the air gap and the cell wall, I think the perimeter should be 2*3*h in your equation.
Yifeng Tang
Yifeng Tang il 29 Giu 2024
But, keep in mind, this is an approximation at best, because I think your formulation is more appropriate for "cubic" shape cells. The gap shown in the picture is really the minimum gap.

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