RE: [EnergyPlus_Support] discharge coefficient for pivoted window

[gu <gu@xxxxxxxxxxxx>]

Astrid:

The algorithm to calculate opening of a pivot window was copied from COMIS 
3.0. I just copied the code driectly from COMIS. If you have problems to 
understand equations in the Enginerring Reference, it will be better to ask 
help from COMIS developers.

Thanks.

Lixing

>===== Original Message From "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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