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Re: [EnergyPlus_Support] airflow and pressure : vertical channel (30x30cm)



ja, hoe dan ook,

Filip

2009/2/25 kristin1goovaerts <kristin1goovaerts@xxxxxxxxx>:
> I am trying to simulate a building with a vertical channel (like a
> chimney but without a heat source) to improve natural ventilation. The
> airflow through this channel is driven by temperature differences and
> wind pressure differences. I have added a crack in the roof surface to
> model this channel. I have a question concerning the pressures
> calculated by E+.
> A formula I found in the E+ reference (linkage-model) : pressure
> difference = Pn - Pm + Ps + Pw.
> I take into account the wind pressure differences by
> using "SurfaceAverageCalculation" to calculate wind pressure
> coefficients.
> But does E+ take into account the pressure difference due to the
> temperature difference in the channel?
>
> Thanks
>
> 



-- 
---------------------------------------------------------------------------------------------
prof. Filip Descamps
Vrije Universiteit Brussel
Faculteit Ingenieurswetenschappen
Vakgroep architectonische ingenieurswetenschappen
---------------------------------------------------------------------------------------------


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