[Equest-users] Different roof and floor.

[Carol Gardner]

Even better would be to learn how to add/delete roofs in the DD edit mode so
that you don't have to go through any gyrations. It's not that hard to do.
It's something that I teach people who do classes on line with me. Let me
know if you are interested.

Carol

2010/10/29 Jeremy McClanathan <jmcclanathan at cdiengineers.com>

>   Another option is to save your model with a diff name, go into the
> wizard of your new model and create two zones, one for the area below the
> second shell and one more for the surrounding area.  Set the HVAC system to
> create a system per zone so the program will automatically create two
> plenums and associated roofs.  Set mode to detailed, copy the two plenum
> zones, spaces (and associated walls and roofs), and polygons from the new
> model and replace the plenum in your original model with the new plenums
> once the original model is in the detailed edit mode.  Then, delete the roof
> of the plenum under the second shell.
>
>
>
> This only works if your original model has plenums, and only one plenum per
> floor.  If you have a simple shape or only a few zones, this may be
> over-kill.  But, if your footprint has a lot of vertices or you have a lot
> of zones that would otherwise need to be broken up, this method may be a
> time saver.
>
>
>
> Jeremy
>
>
>
> *From:* Charles Land [mailto:cland at geo-marine.com]
> *Sent:* Friday, October 29, 2010 6:19 AM
> *To:* Bruce Easterbrook; Самолётов Михаил
>
> *Cc:* equest-users at lists.onebuilding.org
> *Subject:* Re: [Equest-users] Different roof and floor.
>
>
>
> I always use the roof and floor designation in the wizard of below
> conditioned space and over conditioned space.  And then any area that is not
> directly under the second floor I make it a separate shell with the
> appropriate roof.  I suppose either method would work, but if you have a lot
> of spaces it could become tedious having to go through the construction of
> each one individually.
>
>
>
> *From:* equest-users-bounces at lists.onebuilding.org [mailto:
> equest-users-bounces at lists.onebuilding.org] *On Behalf Of *Bruce
> Easterbrook
> *Sent:* Friday, October 29, 2010 9:14 AM
> *To:* Самолётов Михаил
> *Cc:* equest-users at lists.onebuilding.org
> *Subject:* Re: [Equest-users] Different roof and floor.
>
>
>
>   One way is to make the zoning on the first floor line up with the second
> floor foot print.  This I think, is the best way if the second floor is a
> complex shape.  The addition of a roof or it's deletion can be geometrically
> tricky to do if it spans only part of a zone.  I have found lining up the
> zones with the foot print an easier solution.  You may have to add a few
> extra zones to get the matching shape.  You delete the roof under the foot
> print.  If the zoning doesn't match your HVAC zones you can adjust the zone
> grouping so that it does.  Turn any interior walls into air walls if they
> don't actually exist on the first floor.  You may also have to adjust or
> delete the floor of the second story as the ceiling of the first floor is
> floor of the second floor.  Check through your layers to make sure they are
> consistent with the actual construction.  Make sure your boundaries are
> referencing the proper adjacent zones.  This is the technique, and may not
> exactly match what you are doing, you will have to check through everything
> to make sure everything is consistent.
> Bruce Easterbrook
> Abode Engineering
>
>
> On 29/10/2010 02:48 AM, Самолётов Михаил wrote:
>
> Hi
>
>
>
> I have 2-storey building. The 1st storey in a plan is not like the 2nd one.
> That's why I created 2 shells (one above the other). For the 1st storey I
> have created a roof (because part of a ceiling is outside the building). And
> for the 2nd storey I have created a floor. Parameters of the roof of 1st
> story and the floor of the 2nd story are different! During the calculation
> the eQUEST will calculate Heat Flux through the ceiling/floor.
>
> How eQUST calculate it if ceiling of the 1st storey is not the same as the
> floor of the 2nd storey?
>
> If air condition in 1st and 2nd story same, this question not so important,
> but if condition has big different - this question is very actual!
>
>
>
>
>
> Sincerely yours,
>
> Mikhail Samoletov
>
> Chief engineer of
>
> *"Numerical Simulation Department"*
>
> *TECHNIQUE BUREAU*
>
> Cvetochnaya str, 25"Zh", 196084 St.Petersburg, Russia
>
> www.bt-comfort.ru
>
> phone/fax +7 (812) 318-50-30
>
> mob. +7 (931) 244-83-77
>
>
>
>
>
>
>
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-- 
Carol Gardner PE
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