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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>We are looking at how to determine the night cooling
potential of a metal roof and wondered if your collector module could do that
or if you have any results showing the amount of cooling that you obtained from
your tests.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>John Hollick<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Conserval Engineering Inc<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>E: <a href="mailto:jhollick@solarwall.com">jhollick@solarwall.com</a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
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font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><b><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-weight:bold'>Jeff Thornton</span></font></b> <a
href="mailto:trnsys-users%40engr.wisc.edu?Subject=%5BTRNSYS-users%5D%20Nocturnal%20Cooling&In-Reply-To="
title="[TRNSYS-users] Nocturnal Cooling">thornton at tess-inc.com </a><br>
<i><span style='font-style:italic'>Tue Jan 8 10:02:31 CST 2008</span></i> <o:p></o:p></p>
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<pre><font size=2 face="Courier New"><span style='font-size:10.0pt'><!--beginarticle--><The component library has collector modules which cannot be linked to the<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>effective sky temperature. As a result I am not able to estimate the<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>radiative losses correctly. Is there any radiator/collector component that<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>I can link to effective sky temperature? ><o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>Our (TESS Libraries) unglazed flat plate collectors do exactly as you<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>suggest. We have used them in projects where the user collects heat<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>during the day into a large storage tank then charges a large cooling tank<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>at night by rejecting heat to the ambient/sky.<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>Let me know if you'd like details on the model.<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>Jeff<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>Jeff Thornton<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>President - TESS, LLC<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><st1:Street
w:st="on"><st1:address w:st="on"><font size=2 face="Courier New"><span
style='font-size:10.0pt'>2916 Marketplace Drive</span></font></st1:address></st1:Street> - <st1:address
w:st="on"><st1:Street w:st="on">Suite</st1:Street> 104</st1:address><o:p></o:p></pre><pre><st1:City
w:st="on"><font size=2 face="Courier New"><span style='font-size:10.0pt'>Madison</span></font></st1:City> WI 53719 <st1:place
w:st="on"><st1:country-region w:st="on">USA</st1:country-region></st1:place><o:p></o:p></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>Phone: 608-274-2577<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>Fax: 608-278-1475<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>E-mail: <a
href="https://www.cae.wisc.edu/mailman/listinfo/trnsys-users">thornton at tess-inc.com</a><o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>Web: www.tess-inc.com<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
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