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wallHeatFlux problem : maybe the unity

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Old   February 20, 2015, 11:32
Default wallHeatFlux problem : maybe the unity
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Laurent DASTUGUE
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Hi foamers,
i am currently trying to transfer results from an OF job to use them as inputs for another tool. This OF job is a CHTMultiRegionFoam one, with Fluid and Solid parts
The datas that i need are the heat flux from fluid to Solid.
So i have used wallHeatFlux, but when i use these results i am surprised because the other tool seems to say that these heat fluxes are too small to obrtain the OF results. And i have to trust him after having done some verifications.
So my first question is : what is the unity given by wallHeatFlux ?
And the second one is : Have you any ideas to solve my problem ?

Thanks for your reading,
have a good day,
LD
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Old   March 2, 2015, 15:55
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Alex
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Hello Laurent,
Quote:
Originally Posted by laurentD View Post
So my first question is : what is the unity given by wallHeatFlux ?
Extracted from the utility output.

Code:
Time = 1001
Selecting thermodynamics package 
{
    type            heRhoThermo;
    mixture         pureMixture;
    transport       sutherland;
    thermo          hConst;
    equationOfState perfectGas;
    specie          specie;
    energy          sensibleEnthalpy;
}

Reading/calculating face flux field phi

Selecting turbulence model type laminar

Wall heat fluxes [W]
patchName       value
...
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The case I talk about in this site was solved with chtMultiRegionSimpleFoam solver and involves radiation. Some basic tutorials are also resolved step by step in the web. If you are interested in these matters, you are invited to come in!
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