<div><br></div>Thanks Vikram,<div><br></div><div>Could you tell me from where i can download this Software " CoolT" ? i have tried to Google but did not find it anyware. I have even found one of your research paper. it seems you have already worked on it. it will be great if you could guide me.</div>
<div><br></div><div><br><br><div class="gmail_quote">On Thu, Mar 8, 2012 at 7:37 PM, Sami, Vikram <span dir="ltr"><<a href="mailto:Vikram.Sami@perkinswill.com" target="_blank">Vikram.Sami@perkinswill.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Another option to look into is CoolT developed by Nader Chalfoun at University of Arizona in Tucson. It’s a Dos program that is based on empirical data that they collected from the extensive testing they did on Cool Towers (Passive Downdraught Chimneys). <u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Again – I would throw in words of caution. Passive downdraught chimneys rely on buoyancy driven forces – something that you cannot approximate with a fan driven evaporative cooler or wind driven. eQUEST might be able to model this, but its beyond my knowledge. Also – The folks at UA (Nader Chalfoun & Martin Yoklic) did some testing with cool towers in enclosed spaces. I would try writing to them to get some feedback on issues to consider. <u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I think Nader is on this list – not sure if he’s still active. <u></u><u></u></span></p>
<div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal" style="text-autospace:none"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#dcaa2c"><u></u> <u></u></span></b></p>
<p class="MsoNormal" style="text-autospace:none"><b><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">Vikram Sami</span></b><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">, LEED AP BD+C<u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">Sustainable Design Analyst<u></u><u></u></span></p><p class="MsoNormal" style="text-autospace:none">
<span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">1315 Peachtree St. NE, Atlanta, GA 30309<u></u><u></u></span></p><p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">t: 404-443-7462 f: </span><span lang="ES" style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">404.892.5823 </span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray"> e: <a href="mailto:vikram.sami@perkinswill.com" target="_blank">vikram.sami@perkinswill.com</a> </span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><a href="http://www.perkinswill.com/" target="_blank"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray;text-decoration:none">www.perkinswill.com</span></a></span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray"><u></u><u></u></span></p>
<p class="MsoNormal" style="margin-bottom:3.0pt;text-autospace:none"><b><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">Perkins+Will.</span></b><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray"> </span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#add425">Ideas + buildings that honor the broader goals of society</span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:green"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
</div><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Mansi Jayswal [mailto:<a href="mailto:ar.mansi.jayswal@gmail.com" target="_blank">ar.mansi.jayswal@gmail.com</a>] <br>
<b>Sent:</b> Thursday, March 08, 2012 2:40 AM<br><b>To:</b> Design Builder USA<br><b>Cc:</b> Dahlstrom, Aaron; Sami, Vikram; <a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a></span></p>
<div><div></div><div><br><b>Subject:</b> Re: [Equest-users] Query regarding PDEC ( Passive cooling ) simulation in eQuest<u></u><u></u></div></div><p></p><div><div></div><div><p class="MsoNormal"><u></u> <u></u></p>
<div><p class="MsoNormal"><u></u> <u></u></p></div><p class="MsoNormal">Thank you all for your quick response and Information.<u></u><u></u></p><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">
Is it possible that if i use PHDC software to design the PDEC system and simulate the same building in eQuest ?? PHDC software can give me the required size of the passive down draught evaporating cooling towers for the building.<u></u><u></u></p>
</div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><u></u> <u></u></p><div><p class="MsoNormal">On Wed, Mar 7, 2012 at 9:37 PM, Design Builder USA <<a href="mailto:jcrossett@designbuilderusa.com" target="_blank">jcrossett@designbuilderusa.com</a>> wrote:<u></u><u></u></p>
<p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#336666">You may wish to explore the free trial of Design Builder, as it has CFD, natural ventilation and evaporate cooling. </span><u></u><u></u></p>
<div><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#336666">Tho I am not sure if it can be used for your passive cooling requirement or not..</span><u></u><u></u></p></div>
<div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Verdana","sans-serif";color:#336666">Best of luck</span><u></u><u></u></p>
<div><div><div><p class="MsoNormal">On Wed, Mar 7, 2012 at 6:53 AM, Dahlstrom, Aaron <<a href="mailto:ADahlstrom@in-posse.com" target="_blank">ADahlstrom@in-posse.com</a>> wrote:<u></u><u></u></p></div></div><blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
<div><div><div><div><p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">Mansi – </span><u></u><u></u></p><p class="MsoNormal"><span style="font-family:"Calibri","sans-serif""> </span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">We have done some schematic modeling of wind towers with Fluent, a CFD package as noted.</span><u></u><u></u></p><p class="MsoNormal">
<span style="font-family:"Calibri","sans-serif"">Our climate didn’t justify evaporative pre-cooling.</span><u></u><u></u></p><p class="MsoNormal"><span style="font-family:"Calibri","sans-serif""> </span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">eQUEST has a natural ventilation module, which I have not fully dived into. </span><u></u><u></u></p><p class="MsoNormal"><span style="font-family:"Calibri","sans-serif""> </span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">I believe it requires inputs that would likely be validated by a CFD model – for example, I don’t think eQUEST’s natural ventilation model allows for evaporative pre-cooling as a temperature driver for natural air exchange in a space.</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">As eQUEST models each zone as a fully mixed space, and has limited air transfer between zones, you may also have trouble getting the thermal stratification from eQUEST that would typically be needed to drive natural ventilation in a PDEC.</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif""> </span><u></u><u></u></p><div><p class="MsoNormal" style="line-height:150%;text-autospace:none"><b><span style="font-size:9.0pt;line-height:150%;font-family:"Verdana","sans-serif";color:gray">Aaron Dahlstrom , PE, LEED® AP</span></b><u></u><u></u></p>
<p class="MsoNormal" style="line-height:150%;text-autospace:none"><b><span style="font-size:11.0pt;line-height:150%;font-family:"Arial","sans-serif";color:#17365d">In P</span></b><b><span style="font-size:11.0pt;line-height:150%;font-family:"Arial","sans-serif";color:#619428">o</span></b><b><span style="font-size:11.0pt;line-height:150%;font-family:"Arial","sans-serif";color:#17365d">sse</span></b><span style="font-size:9.0pt;line-height:150%;font-family:"Verdana","sans-serif";color:gray"> – </span><span style="font-size:8.0pt;line-height:150%;font-family:"Verdana","sans-serif";color:gray">A subsidiary of</span><span style="font-size:9.0pt;line-height:150%;font-family:"Verdana","sans-serif";color:gray"> </span><b><span style="font-size:9.0pt;line-height:150%;font-family:"Verdana","sans-serif";color:#cc0000">AKF</span></b><span style="font-size:9.0pt;line-height:150%;font-family:"Verdana","sans-serif";color:gray">| 1500 Walnut Street, Suite 1414, Philadelphia, PA 19102 </span><u></u><u></u></p>
<p class="MsoNormal" style="line-height:150%;text-autospace:none"><span style="font-size:9.0pt;line-height:150%;font-family:"Verdana","sans-serif";color:gray">d: <a href="tel:215-282-6753" target="_blank">215-282-6753</a>| m: <a href="tel:267-507-5470" target="_blank">267-507-5470</a>| In Posse: <a href="tel:215-282-6800" target="_blank">215-282-6800</a>| AKF: <a href="tel:215-735-7290" target="_blank">215-735-7290</a></span><u></u><u></u></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:gray">e: <a href="mailto:ADahlstrom@in-posse.com" target="_blank">ADahlstrom@in-posse.com</a> | in posse web: <a href="http://www.in-posse.com/" target="_blank">www.in-posse.com</a> | akf web: <a href="http://www.akfgroup.com/" target="_blank">www.akfgroup.com</a></span><u></u><u></u></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:gray"> </span><u></u><u></u></p><p class="MsoNormal" style="text-autospace:none">
<span style="font-size:9.0pt;font-family:"Verdana","sans-serif";color:gray"> </span><u></u><u></u></p>
</div><p class="MsoNormal"><span style="font-size:9.0pt;color:gray"> </span><u></u><u></u></p><div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank">equest-users-bounces@lists.onebuilding.org</a> [mailto:<a href="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank">equest-users-bounces@lists.onebuilding.org</a>] <b>On Behalf Of </b>Sami, Vikram<br>
<b>Sent:</b> Wednesday, March 07, 2012 8:53 AM<br><b>To:</b> Mansi Jayswal; <a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a><br><b>Subject:</b> Re: [Equest-users] Query regarding PDEC ( Passive cooling ) simulation in eQuest</span><u></u><u></u></p>
</div></div><div><div><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Mansi,</span><u></u><u></u></p><p class="MsoNormal">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I doubt you can do this credibly in eQUEST. You really need a CFD type package to be able to simulate this. . A word of caution – the effort to develop the simulation for this is a master’s thesis in itself. </span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span><u></u><u></u></p><p class="MsoNormal" style="text-autospace:none"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#dcaa2c"> </span></b><u></u><u></u></p>
<p class="MsoNormal" style="text-autospace:none"><b><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">Vikram Sami</span></b><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">, LEED AP BD+C</span><u></u><u></u></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">Sustainable Design Analyst</span><u></u><u></u></p><p class="MsoNormal" style="text-autospace:none">
<span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">1315 Peachtree St. NE, Atlanta, GA 30309</span><u></u><u></u></p><p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">t: <a href="tel:404-443-7462" target="_blank">404-443-7462</a> f: </span><span lang="ES" style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray"><a href="tel:404.892.5823" target="_blank">404.892.5823</a> </span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray"> e: <a href="mailto:vikram.sami@perkinswill.com" target="_blank">vikram.sami@perkinswill.com</a> </span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><a href="http://www.perkinswill.com/" target="_blank"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray;text-decoration:none">www.perkinswill.com</span></a></span><u></u><u></u></p>
<p class="MsoNormal" style="margin-bottom:3.0pt;text-autospace:none"><b><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray">Perkins+Will.</span></b><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:gray"> </span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#add425">Ideas + buildings that honor the broader goals of society</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span><u></u><u></u></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank">equest-users-bounces@lists.onebuilding.org</a> <a href="mailto:[mailto:equest-users-bounces@lists.onebuilding.org]" target="_blank">[mailto:equest-users-bounces@lists.onebuilding.org]</a> <b>On Behalf Of </b>Mansi Jayswal<br>
<b>Sent:</b> Tuesday, March 06, 2012 11:25 PM<br><b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a><br><b>Subject:</b> [Equest-users] Query regarding PDEC ( Passive cooling ) simulation in eQuest</span><u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p><div><p class="MsoNormal"> <u></u><u></u></p></div><p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Hello friends,</span><u></u><u></u></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span><u></u><u></u></p><p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">My name is Mansi Jayswal. I am a final year student of Masters Programme at CEPT University, India. By profession I am an architect. Currently I am doing thesis on passive cooling technique (Passive down draught evaporative cooling system- PDEC ). And try to identified that how much cooling load of HVAC system can be replaced through this system.</span><u></u><u></u></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span><u></u><u></u></p><p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Now my query is that is it eQuest is capable to simulate such building with wind tower or PHDC (PDEC ) system? If anybody knows please kindly reply. I have very days left for final submission and I am stuck here.</span><u></u><u></u></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span><u></u><u></u></p><p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Thanks </span><u></u><u></u></p>
<div><p class="MsoNormal"> <u></u><u></u></p></div><p class="MsoNormal">-- <u></u><u></u></p><div><p class="MsoNormal"><span style="color:#888888"><br>Regards,</span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="color:#888888">Mansi Jayswal,</span><u></u><u></u></p>
</div><p class="MsoNormal"><span style="color:#888888">B.Arch I IGBC AP I M.Tech in Climate Change & Sustainable Development </span><u></u><u></u></p><div><p class="MsoNormal"><span style="color:#888888">Faculty of Sustainable Environment & Climate Change,</span><u></u><u></u></p>
</div><div><p class="MsoNormal"><span style="color:#888888">Centre for Environmental Planning & Technology (CEPT) University</span><u></u><u></u></p></div><p class="MsoNormal"> <u></u><u></u></p></div></div></div><p class="MsoNormal">
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<p class="MsoNormal"><span style="color:#888888"><br><br clear="all"><u></u><u></u></span></p><div><p class="MsoNormal"><span style="color:#888888"><u></u> <u></u></span></p></div><p class="MsoNormal"><span style="color:#888888">-- <u></u><u></u></span></p>
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<p class="MsoNormal"><span style="color:#888888"><u></u> <u></u></span></p><p class="MsoNormal"><span style="color:#888888"><u></u><u></u></span></p><div><p class="MsoNormal"><span style="color:#888888"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:#888888"><u></u> <u></u></span></p></div><p class="MsoNormal"><u></u> <u></u></p></div></div><p class="MsoNormal"><br><br clear="all"><u></u><u></u></p><div><p class="MsoNormal"><u></u> <u></u></p>
</div><p class="MsoNormal">-- <span style="color:#888888"><u></u><u></u></span></p><div><p class="MsoNormal"><span style="color:#888888"><br>Regards,<u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="color:#888888">Mansi Jayswal,<u></u><u></u></span></p>
</div><p class="MsoNormal"><span style="color:#888888">B.Arch I IGBC AP I M.Tech in Climate Change & Sustainable Development <u></u><u></u></span></p><div><p class="MsoNormal"><span style="color:#888888">Faculty of Sustainable Environment & Climate Change,<u></u><u></u></span></p>
</div><div><p class="MsoNormal"><span style="color:#888888">Centre for Environmental Planning & Technology (CEPT) University<u></u><u></u></span></p></div><p class="MsoNormal"><u></u> <u></u></p></div></div></div></div>
</div></blockquote></div><br><br clear="all"><div><br></div>-- <br><font color="#888888"><div><br>Regards,</div>
<div>Mansi Jayswal,</div>
B.Arch I IGBC AP I </font><font><font color="#888888">M.Tech in Climate Change & Sustainable Development</font></font><font color="#888888">
<div>Faculty of Sustainable Environment & Climate Change,</div>
<div>Centre for Environmental Planning & Technology (CEPT) University</div></font><br>
</div>