[Bldg-sim] Greenhouse "Climate Battery"

David BRADLEY d.bradley at tess-inc.com
Wed Apr 25 13:08:27 PDT 2012


Arpan,
   We've done a fair bit of greenhouse modeling and earth duct modeling 
(although not combined) using TRNSYS. Bill is quite right that it is a 
complex problem. My hunch would be that you'd need quite long earth 
ducts under the building in order to get useful energy transfer between 
the air and the ground and that you'd lose a great deal of the energy 
along the way. I'd be more inclined to look at an insulated rock-bed 
thermal storage directly underneath the greenhouse slab.
Best,
  David


On 4/25/2012 12:30, Arpan Bakshi wrote:
>
> Anyone have experience modeling a greenhouse "climate battery"?
>
> Did you use IES, DB/E+ or none of the above?
>
> More information about the strategy --
> Hot air from the top half of the greenhouse volume is stored in a 
> below grade heat sink using large ducts which extract air using a fan. 
> (image below)
>
> Reference
> http://ecosystems-design.blogspot.com/2010/07/tci-lane-ranch-community-greenhouse.html 
>
>
>
>
>
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-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI  53703 USA

P:+1.608.274.2577
F:+1.608.278.1475
d.bradley at tess-inc.com

http://www.tess-inc.com
http://www.trnsys.com

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