[Bldg-sim] Comfort tools

Wed Jan 26 06:14:19 PST 2011

I don't think it can predict in zone gradients of TC. 
TARIQ ABBAS BEng, MSc, LEED AP 

HEAD OF SUSTAINABILITY - UAE 

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________________________________

From: Julia Beabout <juliabeabout at yahoo.com> 
To: Tariq Abbas; Patrick J. O'Leary, Jr. <poleary1969 at gmail.com>; Arpan Bakshi <arpanbakshi at gmail.com> 
Cc: bldg-sim at lists.onebuilding.org <bldg-sim at lists.onebuilding.org> 
Sent: Wed Jan 26 13:51:55 2011
Subject: Re: [Bldg-sim] Comfort tools 

I've heard that TAS can do this.  

________________________________

From: Tariq Abbas <tabbas at hilsonmoran.com>
To: "Patrick J. O'Leary, Jr." <poleary1969 at gmail.com>; Arpan Bakshi <arpanbakshi at gmail.com>
Cc: bldg-sim at lists.onebuilding.org
Sent: Wed, January 26, 2011 8:18:53 AM
Subject: Re: [Bldg-sim] Comfort tools

Sounds impossible.

Information in bulk zone modelling is only stored at the node (typically centre of zone) and on surfaces with no additional info in between. 

There are too many unknown parameters to determine thermal comfort in this way to determine a gradient. 

You would have to use CFD which can be tricky without experience of solar radiation modelling (depending on package used).

From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Patrick J. O'Leary, Jr.
Sent: 26 January 2011 02:53
To: Arpan Bakshi
Cc: bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] Comfort tools

attached is a screenshot of the ashrae comfort tool output

On 1/24/11 10:06 AM, Arpan Bakshi wrote: 

Comfort Gradients

Are there other tools out there which are specifically developed to perform only comfort calculations, PMV, PPD, etc.?

My understanding of the comfort models in DesignBuilder, ApacheSim other energy modeling engines is that they calculate comfort only at the central node of each thermal zone. 

Is anyone aware of tools which calculate a gradient of comfort within each thermal zone?

Thanks

Arpan

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