[Equest-users] Curtain wall / Spandrel glass

[Alex Krickx]

Hi Tyrone,

If you haven't yet, I would search through the archives - this topic sounds familiar. If I recall, I believe one suggestion was to area-weight the different opaque façade surfaces (60% at R-10 and 40% at R-15 would be averaged at R-12).

Deepika's suggestion can also simplify your model by having one large window. The only caution I would add is to ensure that the total frame area you model in 1 large window matches the area of the 3 actual windows.

Kind regards,
Alex Krickx

Alex Krickx, LEED AP
Building Energy Specialist
Serious Energy, Inc.
1250 Elko Dr, Sunnyvale, CA 94089
(t) 408.541.8124
akrickx at seriousenergy.com

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From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of deepika khowal
Sent: Monday, January 09, 2012 10:07 AM
To: Ty Law
Cc: equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Curtain wall / Spandrel glass

Hi

you can club the spandrel area, glass area and panel area under each zone and create one big rectangle (total area of each type) .
equest generally assumes the effect of total area of glass.
eg. if you have 3 vision glass areas of 10'x5' each, you can create just one big window 30'x5' if they are in same zone.

hope this helps.

Deepika

On Sun, Jan 8, 2012 at 7:57 PM, Ty Law <ty.law1980 at gmail.com<mailto:ty.law1980 at gmail.com>> wrote:

Hi Everyone,



I have a high-rise office building project that has curtain wall design that looks like the image below.
The aluminum composite panel (ACP) and spandrel glass has different thermal properties. I can only set one thermal property in a continuous external wall.

How will I reflect the spandrel glass in the model?


aluminum composite panel (ACP)

spandrel glass

aluminum composite panel (ACP)

spandrel glass



aluminum composite panel (ACP)

 spandrel glass

aluminum composite panel (ACP)

spandrel glass



aluminum composite panel (ACP)







vision glass



vision glass

vision glass



vision glass






































Your thoughts and suggestions are appreciated.

Thanks.

Tyrone

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