[Bldg-sim] [Fwd: [BLDG-SIM] modeling sun-tracking devices]

Jason Glazer jglazer at gardanalytics.com
Fri Dec 7 08:26:50 PST 2007



-------- Original Message --------
Subject: 	[BLDG-SIM] modeling sun-tracking devices
Date: 	Fri, 07 Dec 2007 09:42:05 -0600
From: 	David Bradley <bradley at tess-inc.com>
Reply-To: 	bradley at tess-inc.com
To: 	<BLDG-SIM at gard.com>
References: 
<MDAEMON-F200712051520.AA2035609pd80004215356 at gard.com>
<MDAEMON-F200712051649.AA492000pd80004216995 at gard.com>



Minu,
  I did, although at this point I don't recall how (whether 
I wrote a new
model for it or whether I used some performance data from the
manufacturer). I can look back at it if you are interested.
Cheers,
  David


At 16:38 12/5/2007, Minu Agarwal wrote:
> Thanks David, Did you model the light redirecting device also using 
> TRYNSYS?
> Kevin, I am using IES right now but could look at any tool that could 
> model this problem. I am right now in the design stage I would like to 
> study the qualitative performance of the movable devices also.
>  
> Minu
>  
>  
> ------------------------------------------------------------------------
> *From:* BLDG-SIM at gard.com [ mailto:BLDG-SIM at gard.com] *On Behalf Of 
> *David Bradley
> *Sent:* Wednesday, December 05, 2007 4:10 PM
> *To:* BLDG-SIM at gard.com
> *Subject:* [BLDG-SIM] modeling sun-tracking devices
>  
> Minu,
>   I have had occasion to model that type of device using TRNSYS. 
> Tracking solar collectors (whether PV or thermal) are easy examples. 
> Some years ago, I modelled a device that sits on top of horizontally 
> mounted skylight, tracks the sun and tries to bounce more daylight 
> down the skylight well. There is nothing stopping you, however, from 
> having whatever component of the building (all the way down to the 
> walls and roofs) track the sun.
> Cheers,
>  David
>
>
> At 11:01 12/5/2007, Minu Agarwal wrote:
>
>  
> Hi,
>  
> Does anyone know of any buildings for which the performance of 
> sun-tracking movable devices was evaluated using simulation programs? 
> Does anyone have experience of having done such an analysis? What I 
> would especially like to know is how to model a dynamic geometry in a 
> simulation program.
>  
> Thanks,
> Minu Agarwal
>  
> Computational Simulation & Analysis (CoSA)
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> Thermal Energy System Specialists (TESS), LLC
> David BRADLEY                           2916 Marketplace Drive - Suite 
> 104
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****************************************************************************************
Thermal Energy System Specialists (TESS), LLC
David BRADLEY                           2916 Marketplace 
Drive - Suite 104
Partner                                        Madison, WI 53719
Phone: (608) 274-2577 USA
Fax: (608) 278-1475
E-mail: bradley at tess-inc.com
Web Pages:  http://www.tess-inc.com 
<http://www.tess-inc.com/>
and      http://www.trnsys.com

<http://www.trnsys.com/>"Providing software solutions for 
today's energy
engineering projects"
****************************************************************************************


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