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ggiannakis
Posts: 1
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 Posted: Mon Sep 12, 2011 3:47 pm Post subject: Extenral CFD analysis and Pressure coefficients |
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According to DesignBuilder CFD manual, exeternal analysis can be used to calculate more accurate pressure coefficients for EnergyPlus calculated natural
ventilation simulations. However, it is not clear to me how I can get the resulted Cp coefficients (in other words, I can not find the related results) and import them to the EnergyPlus simulation. |
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Andy Tindale
Posts: 2432
Location: Stroud |
| Posted: Mon Sep 12, 2011 4:09 pm Post subject: |
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There are no productivity functions included within DesignBuilder to facilitate this process at the moment. So you would need to run 6 or so external CFD simulations, one for each of the wind directions referred to in the Cp data. Then for each surface you would have to calculate the pressure coefficient. It's not a very fast process but users have done it in the past.
Andy |
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