[Equest-users] Question on Energy consumption results

[Akshat Kabra]

Hi,


I checked it for already defined glass library by comparing single and
double glass unit with varying specs, the area light is not changing.

I have customised the windows and curtain wall required for the project and
have customised glass specification depending on U value, SC, VLT.
Base case
U value- 1 Btu/h-ft2-F
SC-0.42
VLT-0.26

I need to check with DGU glass and overhangs what would be energy
consumption.

When I switch on the  daylight control for all shell components, the
simulation run says error.

I am attaching the file .
Please check by changing the SC and VLT, is the area light consumption
changing?

Thanks




On Mon, Sep 24, 2018 at 7:44 PM Nicholas Caton <
Nicholas.Caton at schneider-electric.com> wrote:

> Hello!
>
>
>
> If I had to make a guess, a relatively common issue I’ve uncovered would
> start with checking whether the glass being revised, before editing, is
> using the glass library specification method (i.e. your glass is defined
> via code like 2004).  In that scenario, you are permitted to add/define
> inputs used with the simplified method of defining glass like VIS-TRANS and
> GLASS-CONDUCT through parametric inputs, but they won’t “hook” and
> accomplish anything.  You’d need to swap your glass inputs over to
> simplified first, or else look up another library entry appropriate for
> your VLT switch and edit that assignment instead.
>
>
>
> If this doesn’t cover it, there are a myriad of daylighting-related inputs
> which may throw off the expected behavior.  It would probably be most
> time-efficient for you to share a copy of the model files (pd2/inp) with
> the list, and to indicate the specific window(s) you are expecting to
> observe results by editing.  It would also in that context be helpful to
> know whether you used the wizards to help you set up the space daylighting
> inputs before toggling to “No” daylighting.
>
>
>
> ~Nick
>
>
>
>
>
> *Nick Caton, P.E., BEMP*
>
>   Senior Energy Engineer
>   Regional Energy Engineering Manager
>
>   Energy and Sustainability Services
>   Schneider Electric
>
> D  913.564.6361
> M  785.410.3317
> F  913.564.6380
> E  nicholas.caton at schneider-electric.com
>
> 15200 Santa Fe Trail Drive
> Suite 204
> Lenexa, KS 66219
> United States
>
>
>
>
>
> *From:* Equest-users <equest-users-bounces at lists.onebuilding.org> *On
> Behalf Of *The Energy Simulation Academy via Equest-users
> *Sent:* Sunday, September 23, 2018 10:20 AM
> *To:* Akshat Kabra <akshatspin at gmail.com>
> *Cc:* equest-users at lists.onebuilding.org
> *Subject:* Re: [Equest-users] Question on Energy consumption results
>
>
>
> What's the VLT values thay you're using?
>
> On Sun, Sep 23, 2018, 08:16 Akshat Kabra via Equest-users <
> equest-users at lists.onebuilding.org> wrote:
>
> Hi,
>
>
>
> I am modelling on Design Development wizard, I am changing VLT of glass ,
> but there is no change in area lights consumption.
>
> Why is it so ?
>
>
>
> I have switched off daylight control.
>
> When I switch on , the results show changes.
>
>
>
> Regards
>
>
>
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