<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type">
</head>
<body bgcolor="#ffffff" text="#000000">
Dear Srikar,<br>
<br>
There was a recent major study within IEA Task 34/Annex 43 on
validation of simulation programs - one of the subtasks was modelling
of DSFs. Experiments were carried out on a large scale test cell at
Aalborg University in Denmark (DSF height over 5m). Several programs,
including ESP-r, were used to compare against measured data. The
configurations studied seem similar to your case - a single glazed
outer glazing, a large airgap and a double glazed inner glazing. One
case was with no openings, the other with openings to the outside
bottom and top.<br>
<br>
There will be a paper at BS'09 summarizing the results.<br>
<br>
If there is airflow through the facade, you will need to model the
airgap as a series of stacked zones. You need to pay attention to the
convection modelling, depending on the flow.<br>
<br>
Regards<br>
Paul<br>
<br>
Srikar Kaligotla wrote:
<blockquote cite="mid:FC0860773F5F4759B466825D4F8C4212@jbbcorp.net"
type="cite">
<meta http-equiv="Content-Type" content="text/html; ">
<meta name="Generator" content="Microsoft Word 11 (filtered medium)">
<style>
<!--
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman";}
a:link, span.MsoHyperlink
{color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{color:purple;
text-decoration:underline;}
p
{mso-margin-top-alt:auto;
margin-right:0in;
mso-margin-bottom-alt:auto;
margin-left:0in;
font-size:12.0pt;
font-family:"Times New Roman";}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:Arial;
color:windowtext;
font-weight:normal;
font-style:italic;
text-decoration:none none;}
@page Section1
{size:8.5in 11.0in;
margin:1.0in 1.25in 1.0in 1.25in;}
div.Section1
{page:Section1;}
-->
</style>
<!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
<div class="Section1">
<p class="MsoNormal"><i><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; font-style: italic;">Hi
all,<o:p></o:p></span></font></i></p>
<p class="MsoNormal"><i><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; font-style: italic;">I am
trying to model a High Rise building
using Esp-r with a south side curtain wall (double skin façade). The
exterior
layer is a laminated monolithic glass with cavity gap of 3 feet and a
low-e
double pane interior glass. Has anybody used Esp-r for DSFs? I am
interested in
only U-value and Solar Heat Gain Coefficient values of the Total Window
units.
Any insight on the above problem is appreciated. <o:p></o:p></span></font></i></p>
<p class="MsoNormal"><i><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; font-style: italic;">Thanks.<o:p></o:p></span></font></i></p>
<p class="MsoNormal"><i><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; font-style: italic;"><o:p> </o:p></span></font></i></p>
<p><b><i><font face="Times New Roman" size="3"><span
style="font-size: 12pt; font-weight: bold; font-style: italic;">Regards</span></font></i></b>
<br>
Srikar K<o:p></o:p></p>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><o:p> </o:p></span></font></p>
</div>
</blockquote>
<br>
</body>
</html>