<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial,helvetica,sans-serif;font-size:10pt"><div>I've heard that TAS can do this. <br></div><div style="font-family: arial,helvetica,sans-serif; font-size: 10pt;"><br><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><font face="Tahoma" size="2"><hr size="1"><b><span style="font-weight: bold;">From:</span></b> Tariq Abbas <tabbas@hilsonmoran.com><br><b><span style="font-weight: bold;">To:</span></b> "Patrick J. O'Leary, Jr." <poleary1969@gmail.com>; Arpan Bakshi <arpanbakshi@gmail.com><br><b><span style="font-weight: bold;">Cc:</span></b> bldg-sim@lists.onebuilding.org<br><b><span style="font-weight: bold;">Sent:</span></b> Wed, January 26, 2011 8:18:53 AM<br><b><span style="font-weight: bold;">Subject:</span></b> Re: [Bldg-sim] Comfort tools<br></font><br><style><!--
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--></style><div class="WordSection1"><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);">Sounds impossible.</span></p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);"> </span></p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);">Information in bulk zone modelling is only stored at the node (typically centre of zone) and on surfaces with no additional info in between. </span></p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);"> </span></p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);">There are too many unknown parameters to determine thermal comfort in this way to determine a gradient. </span></p><p class="MsoNormal"><span
style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);"> </span></p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);">You would have to use CFD which can be tricky without experience of solar radiation modelling (depending on package used).</span></p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);"> </span></p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);"> </span></p><p class="MsoNormal"><span style="font-size: 11pt; font-family: "sans-serif"; color: rgb(31, 73, 125);"> </span></p><div><div style="border-width: 1pt medium medium; border-style: solid none none; border-color: rgb(181, 196, 223) -moz-use-text-color -moz-use-text-color; padding: 3pt 0cm 0cm;"><p class="MsoNormal"><b><span
style="font-size: 10pt; font-family: "sans-serif"; color: windowtext;" lang="EN-US">From:</span></b><span style="font-size: 10pt; font-family: "sans-serif"; color: windowtext;" lang="EN-US"> bldg-sim-bounces@lists.onebuilding.org [mailto:bldg-sim-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Patrick J. O'Leary, Jr.<br><b>Sent:</b> 26 January 2011 02:53<br><b>To:</b> Arpan Bakshi<br><b>Cc:</b> bldg-sim@lists.onebuilding.org<br><b>Subject:</b> Re: [Bldg-sim] Comfort tools</span></p></div></div><p class="MsoNormal"> </p><p class="MsoNormal">attached is a screenshot of the ashrae comfort tool output<br><br><br><br>On 1/24/11 10:06 AM, Arpan Bakshi wrote: </p><div><p class="MsoNormal">Comfort Gradients</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">Are there other tools out there which are specifically developed to perform only comfort calculations, PMV, PPD, etc.?</p></div><div><p
class="MsoNormal"> </p></div><div><p class="MsoNormal">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. </p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">Is anyone aware of tools which calculate a gradient of comfort within each thermal zone?</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">Thanks</p></div><div><p class="MsoNormal">Arpan</p></div><div><p class="MsoNormal"> </p></div><pre> </pre><pre> </pre><pre>_______________________________________________</pre><pre>Bldg-sim mailing list</pre><pre><a rel="nofollow" target="_blank" href="http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org</a></pre><pre>To
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