[Equest-users] shading schedules ？

[Nick Caton]

Another general tip/reminder: first thing you should do after encountering an input field you are uncertain of is to right-click the field to check whether there is a corresponding help entry for that specific item.  In this case:

SHADING-SCHEDULE

Takes the U-name of a SCHEDULE (with TYPE=MULTIPLIER) that defines hourly values of a multiplier on the solar gain through the window. This represents the shading effect of movable devices such as blinds, drapes, or shutters. Items that change solar transmission may also affect heat conduction. If so, a matching CONDUCT-SCHEDULE should be used. If the SHADING-SCHEDULE is not input, the schedule will default to 1.0 for all hours.

“Solar gain” is the load incident on a space as a result of the sun/sky’s energy entering through a fenestration and being absorbed/interreflected by internal surfaces (floors/people/furniture…), manifesting as heat radiation in the process.  If you have a window device or seasonal treatment that varies not only the light coming in but also appreciably affects the conductive transfer of heat through the window/frame opening, then define a CONDUCT-SCHEDULE as well to account for those effects.

 

An aside to clear up a potential source of confusion: building shades can optionally be given a SHADE-SCHEDULE, which is in practice/function very similar to a SHADING-SCHEDULE for windows.  These two terms are used interchangeably here on the lists, at times... may be helpful if you’re searching the archives for more info ;).

 

~Nick

 

 

 

NICK CATON, P.E.

SENIOR ENGINEER

 

Smith & Boucher Engineers

25501 west valley parkway, suite 200

olathe, ks 66061

direct 913.344.0036

fax 913.345.0617

www.smithboucher.com 

 

From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Pasha Korber-Gonzalez
Sent: Wednesday, September 14, 2011 11:41 AM
To: 罗明刚
Cc: equest-users
Subject: Re: [Equest-users] shading schedules ？

 

Hi 3Q--read the attached DOE-2 document look under page 40 or 47 (I can't remember).  If you look for "Building-Shade"  then you should be able to learn about the shade schedules you are asking about.

 

Cheers,

Pasha

2011/9/14 罗明刚 <luominggang_001 at 163.com>

hello everyone!

 Can anybody tell me about the shading schedules?  I just dont understand its meaning? 

when I creat shading schedule,what value should I input? shading coefficient or solar gain ? 

ANd who can explain the "solar gain" for me ?

 3Q




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