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Re: [EnergyPlus_Support] Barefin radiative units
Hi Mike;
Right now, I've modeled the entire space is modeled as a single thermal
zone. In the design, return air is ducted above the cloud.
Thanks,
Josh
On Dec 19, 2007 9:37 AM, Michael J. Witte <mjwitte@xxxxxxxx> wrote:
> I would not expect the performance to be very different for a bare
> fin-tube
> compared to a fin-tube enclosed in a decorative grille. I would use
> Baseboard
> Heater:Water:Convective. Whether this will work with the DV model, I am
> not
> sure. I need more information about the configuration and how you intend
> to
> model it. Are you modeling the entire space as a single thermal zone? Is
> the
> return air ducted through the upper portion (above the cloud), or does the
>
> upper portion see airflow through it?
>
> Mike
>
>
> On 14 Dec 2007 at 20:28, josh_miarch wrote:
>
> > I'm attempting modeling a classroom that has been converted from an
> > industrial shop. Because it used to be shop, the ceiling is high, 7.6
> > m. There is a ceiling "cloud" at a height of about 5.6 m, with a 1 m
> > gap between its perimeter and the walls of the classroom all the way
> > around.
> >
> > The room is ventilated via DV, with the return grille being located
> > within the cloud. There are radiant panels within the cloud that heat
> > the section of the classroom below the cloud, and the mechanical
> > engineer has decided to specify a barefin radiative unit to heat the
> > upper portion. I'm curious as to what would be the best way to model
> this.
> >
> > As a barefin unit is basically a baseboard unit without a cover on it,
> > I was thinking that using the Baseboard Heater:Water:Convective object
> > would probably be the best way to model it. However, I'm worried
> > that this might interfere with the UCSD DV model I'm using. Am I right
> > to be worrying about this? Also, even if the Baseboard
> > Heater:Water:Convective object won't interfere with the DV model, is
> > it the best way to capture the performance of a barefin radiative unit?
> >
> > Thanks a lot,
> >
> > Josh
> >
> >
> > Josh Kjenner, EIT, LEED AP
> > Manasc Isaac Architects Ltd.
> > 10225 100 Avenue :: Edmonton, AB T5J 0A1
> > 780.429.3977
> >
> >
> >
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> >
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> >
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> >
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> > Documentation link and press the "search" button.
> >
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> >
> >
> >
> >
> >
>
> ========================================================
> Michael J. Witte, GARD Analytics, Inc.
> EnergyPlus Testing and Support
> EnergyPlus-Support@xxxxxxxx <EnergyPlus-Support%40gard.com>
>
>
>
--
Josh Kjenner, EIT, LEED AP
Manasc Isaac Architects Ltd.
10225 100 Avenue :: Edmonton, AB T5J 0A1
780.429.3977
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