[EnergyPlus_Support] discharge coefficient for pivoted window

["astrid.roetzel" <astrid.roetzel@xxxxxxxxxxxxxx>]

Dear all,

I am modelling a top hung window by using the pivoted window with the
axis on top. I am not sure how e+ calculates the opening area of such
a window. Will it be considered as a rectangular window with adjusted
size in the end? If I understood the calculation procedure correctly,
e+ divides the window in different parts, the upper and lower (z>h4 or
z<h2) are modelled like a rectangular window and the pivoted part
(h2<z<h4) is modelled differently. But I can only define one discharge
coefficient?!
What discharge coefficients do I have to use now, one for a
rectangular window, (e.g. 0.6) or an adjusted (lower) value
specifically for a top hung window? I suppose the latter will be the
safe estimate?
Thank you in advance!
Astrid


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