[Equest-users] light tubes and light wells
Nick Caton
ncaton at smithboucher.com
Tue Jan 24 09:31:24 PST 2012
Umesh/Norm:
An extra thought: Don't count on daylight moving between/across
spaces... If your window is in roof surface that's a child of a plenum
space, I believe the light will only be measurable in the plenum for
daylighting control purposes.
An approach for detailed mode that may be instructive for core spaces
remote from the exterior: If your core space does not already have an
exterior surface defined, you will want to create one to host the
window. It could be a wall/roof... don't think it really matters. Play
with this exterior surface's location/dimensions/orientation until it is
situated above and parallel to your roof surface above, then create a
window within this remote exterior surface. Light should then "jump" to
the core space, bypassing any plenums or other spaces along the way.
Best of luck!
~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 Umesh
Atre
Sent: Tuesday, January 24, 2012 10:16 AM
To: norman wheatley; equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] light tubes and light wells
Norm,
Is your simulation going through successfully? Typically, just creating
a skylight in an existing roof (which I am guessing is currently
attached to your core plenum space) gives you an error.
You will have to create a new roof for the core space, use 'Skylt Roof
Construction' as the construction, and then create the skylight in this
new roof. See if this works.
Regards,
Umesh
________________________________
From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of norman
wheatley
Sent: Saturday, January 21, 2012 6:07 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] light tubes and light wells
Hi,
I'm trying to model a light tube and a light well in eQuest. I'd like to
bring light into the core and maybe a lower level and have this reduce
the lighting required.
so, I create a window in the roof, change the window to "Tubular
Daylighting device" and have a daylighting sensor in the space below (a
core zone).
But there is no effect on the lighting energy. This is the same if I use
a skylight (aka a light well).
Has anyone used this successully?
thanks
Norm
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