RE: [EnergyPlus_Support] Question: Radiant Panel

[Peter Alspach <peter.alspach@xxxxxxxx>]

Just a word of warning - be carefful about checking simulation stability
when trying to simulate low thermal mass radiant heaters. I had some
problems when I looked into this is some detail awhile back (beta version
though).

If others have had success in modeling metal ceiling panels systems for
heating and cooling using this model I'd like to hear about it.

Regards,

Peter

-----Original Message-----
From: zhen tian [mailto:tianzhen9@xxxxxxxxx]
Sent: Sunday, April 18, 2004 8:31 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: Re: [EnergyPlus_Support] Question: Radiant Panel


Hi, Mike:
 
Could you tell me how to define the " near the inside face of the surface
and  a  very thin layer of material on top of it" ?
 
I do not know how to define it. Should I add another surface and then define
it as thin construction with internal source?
 
 
Thanks.
 
David Tian

"Michael J. Witte" <mjwitte@xxxxxxxx> wrote:
You have two options:  

1)  Baseboard Heater:Water:Convective which is thermostatically controlled
and 
adds heat to the space by convection.  

or 2)  Use LOW TEMP RADIANT SYSTEM:HYDRONIC with the source near the inside 
face of the surface and a very thin layer of material on top of it.

Mike


On 15 Apr 2004, at 23:32, tianzhen9 wrote:

> Hi, there,
> 
> I am modelling the radiant cooling slab system with perimeter 
> radiant panel heating system.
> 
> I can not find the "hydraulic radiant panal system" in Energyplus. 
> It sounds like somebody has posted this question before, but I 
> cannnot find it.
> 
> Should I set the "Radiant Panel" as "Baseboard Heater: 
> Water:Concective"? And how about other directions? 
> 
> Thanks a lot.
> 
> David Tian
> 
> 
> 
> 
> 
> The primary EnergyPlus web site is found at:
> http://www.energyplus.gov
> 
> The group web site is:
> http://groups.yahoo.com/group/EnergyPlus_Support/
> 
> Attachments are not allowed -- please post any files to the appropriate
folder
> in the Files area of the Support Web Site.
> 
> Yahoo! Groups Links
> 
> 
> 
> 
> 



========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support      
EnergyPlus-Support@xxxxxxxx



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