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Modeling a heat pipe for a natural convection system?

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anthony_hesse
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Modeling a heat pipe for a natural convection system?

Hi Folks,

Does anyone know of a way to model a heat pipe. I not really after explicitly modeling the phase change and I know that I can't do it anyway, but just the energy transfer from A to B given the characteristics of a particular heat pipe.

 

Any help would be much appreciated and I am just after a general approach

 

Thanks

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Anthony,

   Typically for heat pipes the generic approach is to model the heat pipe as 2 volumes

The (typically) Copper casing/pipe

The core (where all the phase change happens) as 1 lump inner volume (can be easily one if you shell the Pipe and let CFD autofill / void fill this.

 

The pipe would get assigned as Copper and the core would get set as a custom material typically with a low density (perhaps around that of Air) and a high conductivity (5,000 - 20,000 W/m-k)

 

Apolo

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Thanks Apolo

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