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March 24, 2005, 06:07 |
sensible heat flux
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#1 |
Guest
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Hi,
When modelling people in building flows should I use a solid blockage (such as 101bakelite @20degC) to afford heat flux (60 watts/person) and obstruction to the flow? When I do the internal temperature of the solid ends up around 200degrees depending on the type of material used, this means that I have to give the object a fixed temp instead of a fixed heat flux. What would be the most representative material to use. The "person" object in flair v3.6 uses the domain material but this doesn't offer any obstruction to the flow. thanks in advance for advice |
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April 14, 2005, 22:17 |
Re: sensible heat flux
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#2 |
Guest
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Just a thought, but why not try creating your own solid air material.
Try this 1/ Copy the props file from d_earth to your local dir. 2/ Put csg10='props' in your Q1 to pick this up. 3/ edit this props file to copy air at 0deg to an entry which is > 100. 4/ I think that PHOENICS should believe that this is then a solid. 4.5/ Give the viscosity a solid value just in case. 5/ make your person out of this solid air. I think attaching a known heat source must be better then fixing the temp. Of course if the material is not correct, then as you say you will get artificially high temps. Maybe the person should be solid water as we are mostly made out of it. |
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