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Solar chimney cfd

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Old   December 11, 2015, 10:24
Default Solar chimney cfd
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Basias Evangelos
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Hello I have some questions about a solar chimney cfd analysis.
how can I calculate the Re in a shape like that in order to get the Yplus values for inflation.
Is it better to use k-e model with Yplus around 50 or sst with near wall modelling yplus around 1?
I want to enter the equations of heat transfer in the collector ground and air. Is there a guide to follow for this?
For the mesh independence study I have to refine the whole mesh or just the region that I am interested in i.e. the transaction area?

Every answer is appreciated
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