[Equest-users] Dynamic glass for windows

[Singhal, Harshul]

Deepika

Thanks for writing me. I need input on “switch setting Low” & “switch setting high”. What values that I use for them? Do I need to look for each & every zone when my heating load switches to cooling load and at that particular moment I need to read radiation (btu/hr-ft2) on my glass? I don’t have daylighting sensors in my building so most of my saving will be at HVAC side. Also, what about switching schedule? I feel tinting is not helpful during winters? My building is located at Vermont, it’s an hospital project with higher EUI & patient rooms covers envelope zones.

If you can, please share some work of yours & library that you were talking about.

Thanks a lot again
Harshul Singhal
Project Consultant
Thornton Tomasetti
386 Fore Street, Suite 401
Portland, ME  04101
T 207.245.6060  F 207.245.6061
D 207.245.6074
HSinghal at ThorntonTomasetti.com
www.ThorntonTomasetti.com
From: deepika khowal [mailto:deepika.khowal at gmail.com]
Sent: Wednesday, June 25, 2014 5:40 PM
To: Sami, Vikram
Cc: Singhal, Harshul; equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Dynamic glass for windows

Hi Harshul

I have been doing dynamic glass analysis in eQuest for a while.
The default properties in the library is not exact to what the current product offering is. If you are interested, I can share the eQuest_lib file for our product : View Dynamic Glass.



To model in eQuest, you need to use the switch control. the 2 main options I use are daylight controls and dir sol radiation control. you need to select the tint state of EC for switch control and clear state for the glass type.



On Wed, Jun 25, 2014 at 2:23 PM, Sami, Vikram <vikram.sami at zgf.com<mailto:vikram.sami at zgf.com>> wrote:
I haven’t used this yet, but there is a switching function in newer versions of eQUEST:

[cid:image001.png at 01CF912F.32209400]



Vikram Sami
BEMP, LEED BD+C
Associate Partner



ZGF ARCHITECTS LLP
T 206.521.3509<tel:206.521.3509> E vikram.sami at zgf.com<mailto:vikram.sami at zgf.com>
925 Fourth Avenue, Suite 2400
Seattle, WA 98104


From: Equest-users [mailto:equest-users-bounces at lists.onebuilding.org<mailto:equest-users-bounces at lists.onebuilding.org>] On Behalf Of Singhal, Harshul
Sent: Wednesday, June 25, 2014 8:48 AM
To: equest-users at lists.onebuilding.org<mailto:equest-users at lists.onebuilding.org>
Subject: [Equest-users] Dynamic glass for windows

Hi

Can someone give me a brief idea about modeling dynamic glass (brand: sage) in eQuest? Do I need to provide schedule for U-value, VT & SHGC? If yes, how can these schedules be defined? Please share some experience with me if you have done it in some of your project?

Thanks
Harshul Singhal
Project Consultant
Thornton Tomasetti
386 Fore Street, Suite 401
Portland, ME  04101
T 207.245.6060<tel:207.245.6060>  F 207.245.6061<tel:207.245.6061>
D 207.245.6074<tel:207.245.6074>
HSinghal at ThorntonTomasetti.com<mailto:HSinghal at ThorntonTomasetti.com>
www.ThorntonTomasetti.com<http://www.ThorntonTomasetti.com>


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