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One of the most important issues on DSF (maybe the most important) is
gap ventilation. So care should be taken into account when using sun
space models.<br>
<blockquote cite="mid:524474.58221.qm@web45209.mail.sp1.yahoo.com"
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Rohini you are right -- Sun space does allow for solar transmission
through windows if an interior wall belongs to such a sun space --
that's considering DOE 2.2.(eQuest)<br>
But, I wonder if the split flux method for daylight calcs is a good
choice anyways? . . . .Perhaps it's good for getting a hang on the
energy savings, if you have daylight sensors?!<br>
<br>
I think sun space will be a good quick and dirty way that Vikram may be
looking for if he already has a basic shell chalked out or can create
the shell and internal loads quickly.<br>
<br>
Best,<br>
Neeraj<br>
<br>
<div>
<div>
<p><span><span>Neeraj</span></span><span> <span>Kapoor</span><br>
t: +91.99581.70018</span></p>
<p><span><span>e</span></span><span>: <span>neeraj</span>[at]<span>kalpakrit</span>[dot]com<br>
<span>Kalpakrit</span> Sustainable Environments Pvt. Ltd.<br>
<a moz-do-not-send="true" href="http://www.kalpakrit.com">www.kalpakrit.com</a></span></p>
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<p> <span>Office Address</span> <span>:<br>
610-A <span>Udyog</span> <span>Vihar</span>, Phase-5,<br>
<span>Gurgaon</span>, Haryana - 122016</span></p>
<p><span>India<br>
t: +91.124.430.9490/ 1/ 2<br>
f: +91.124.430.9493</span></p>
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<p> <span>Registered Address</span> <span>:<br>
101 <span>Anupam</span> Apartments,<br>
<span>Mehrauli-Badarpur</span> Road,<br>
New Delhi - 110068<br>
India<br>
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On 11-11-2010 21:18, R B wrote:
<blockquote
cite="mid:AANLkTinY7XC_D4-WDwEee-1ZnqrHijgsu1oLK07aqZqR@mail.gmail.com"
type="cite">Maybe modelling the cavity as sunspace might work - it
will not take care of the cavity ventilation part but will probably
work for the solar radiation part (not sure if sunspace allows for
daylighting - you will have to check on that.)<br>
Another option would be to use EnergyPlus - I think it has an example
file for double facade.<br>
<br>
-Rohini<br>
<br>
<div>On Thu, Nov 11, 2010 at 8:58 AM, Sami, Vikram <span><<a
moz-do-not-send="true" href="mailto:Vikram.Sami@perkinswill.com">Vikram.Sami@perkinswill.com</a>></span>
wrote:<br>
<blockquote>
<div lang="EN-US">
<div>
<p>We are doing a project in a pretty cold climate. The project
design has a really big glass façade facing south. One of the ideas to
reduce conductive heat loss is to create a double skin façade on the
south side.</p>
<p> </p>
<p>Now I realize that this is going to take a fair amount of
analysis work to design it properly. What I was wondering is if there
is a quick analysis tool/methodology to tell if this is even feasible
to go into more detailed analysis. </p>
<p> </p>
<p>Any help would be much appreciated</p>
<p> </p>
<p><b><span>Vikram Sami</span></b><span>, LEED AP</span></p>
<p><span>Sustainable Design Analyst</span></p>
<p><span>1382 Peachtree St. NE, Atlanta, GA 30309</span></p>
<p><span>t: 404-443-7462 f: </span><span lang="ES">404.892.5823 </span><span>
e: <a moz-do-not-send="true" href="mailto:vikram.sami@perkinswill.com">vikram.sami@perkinswill.com</a>
</span><a moz-do-not-send="true"
href="http://www.perkinswill.com/"><span>www.perkinswill.com</span></a><span></span></p>
<p><b><span>Perkins+Will.</span></b><span> </span><span>Ideas +
buildings that honor the broader goals of society</span><span></span></p>
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-- <br>
--------------------------------------------------------------------------------<br>
Rohini Brahme, Ph.D. LEED AP<br>
Building energy analysis, tool development, and training<br>
Dallas/Fort Worth, TX<br>
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