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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>A good starting place appears to be a
publication from 1987 done by S. Somasundaram, Assistant Professor of
Mechanical Engineering at <st1:place w:st="on"><st1:PlaceName w:st="on">Texas</st1:PlaceName>
<st1:PlaceName w:st="on">A&M</st1:PlaceName> <st1:PlaceType w:st="on">University</st1:PlaceType></st1:place>,
titled, “AN EXPERIMENTAL AND NUMERICAL MODELING OF A ROOF-SPRAY COOLING
SYSTEM”. Doing a google search of that title brings up a link to the
article that goes into theory detail, along with other publications that refer
to at least one former manufacturer of such systems.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><strong><b><font size=3 color=navy face=Garamond><span
style='font-size:12.0pt;font-family:Garamond;color:navy'>Kent Beason</span></font></b></strong><font
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<p class=MsoNormal><font size=2 color=navy face=Garamond><span
style='font-size:10.0pt;font-family:Garamond;color:navy'>Schlitterbahn
Development Group</span></font><font color=navy><span style='color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Garamond><span
style='font-size:10.0pt;font-family:Garamond;color:navy'>830-609-8904 m</span></font><font
color=navy><span style='color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
style='font-size:12.0pt;color:navy'> </span></font><o:p></o:p></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Patrick
Wilkinson [mailto:patrick.wilkinson@ibece.net] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, April 06, 2010
11:46 AM<br>
<b><span style='font-weight:bold'>To:</span></b> trnsys-users@cae.wisc.edu<br>
<b><span style='font-weight:bold'>Cc:</span></b> bldg-sim@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [TRNSYS-users] Nigh time
spray radiant cooling</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><b><font size=3 face="Eras Light ITC"><span
style='font-size:12.0pt;font-family:"Eras Light ITC";font-weight:bold'>Has
anyone modeled a nighttime radiation cooling system, where the water is sprayed
directly on the rooftop of the building, not through tubing/flat plate
collectors? If so, any ideas on how to model this in TRNSYS/Excel?<o:p></o:p></span></font></b></p>
<p class=MsoNormal><b><font size=3 face="Eras Light ITC"><span
style='font-size:12.0pt;font-family:"Eras Light ITC";font-weight:bold'><o:p> </o:p></span></font></b></p>
<p class=MsoNormal><b><font size=3 face="Eras Light ITC"><span
style='font-size:12.0pt;font-family:"Eras Light ITC";font-weight:bold'>Any
information on the theoretical background would also help. I can only seem to
find information regarding closed systems.<o:p></o:p></span></font></b></p>
<p class=MsoNormal><b><font size=3 face="Eras Light ITC"><span
style='font-size:12.0pt;font-family:"Eras Light ITC";font-weight:bold'><o:p> </o:p></span></font></b></p>
<p class=MsoNormal><b><font size=3 face="Eras Light ITC"><span
style='font-size:12.0pt;font-family:"Eras Light ITC";font-weight:bold'>thanks<o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face="Eras Light ITC"><span style='font-size:12.0pt;font-family:"Eras Light ITC"'>Patrick
Wilkinson, P.E., LEED<sup>®</sup> AP<br>
Advanced Technology Group</span></font><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'> <o:p></o:p></span></font></p>
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height=37 id="_x0000_i1025" src="cid:image001.jpg@01CAD58A.A8BCD070"><br>
</span></font><st1:address w:st="on"><st1:address w:st="on"><st1:Street w:st="on"><font
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font-family:"Eras Light ITC";color:gray'>14130 Riverside Drive Suite 201</span></font></st1:Street></st1:address><font
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<st1:place w:st="on"><st1:City w:st="on"><font color=gray><span
style='color:gray'>Sherman</span></font></st1:City></st1:place></span></font></st1:address><font
size=1 color=gray face="Eras Light ITC"><span style='font-size:8.0pt;
font-family:"Eras Light ITC";color:gray'> Oaks, CA 91423<br>
p: (818) 377-8220 ext. 240<br>
f: (818) 377-8230<br>
www.ibece.com</span></font><font size=1 color=gray face="Eras Light ITC"><span
style='font-size:7.5pt;font-family:"Eras Light ITC";color:gray'><o:p></o:p></span></font></p>
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