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<font size="-1"><font face="Helvetica, Arial, sans-serif">Trnsys! It
was originally designed for these types of systems. Not something you
pick up in a day, but it's modular structure makes modeling solar
systems pretty straightforward (using it for buildings takes a bit more
time).<br>
<br>
<a class="moz-txt-link-freetext" href="http://www.tess-inc.com/trnsys">http://www.tess-inc.com/trnsys</a><br>
<br>
-Cramer<br>
</font></font><br>
<br>
Karen Walkerman wrote:
<blockquote
cite="mid:69a9bc0a0907290554y5ebaf577t3e3741426e9444a9@mail.gmail.com"
type="cite">Hi All,<br>
<br>
Is anyone aware of a program that can model hourly outputs for a solar
hot water system? I would prefer something that can accept a TMY2 or
TMY3 weather file and just gives me the hourly heat output based on SHW
panel, inlet and outlet temperatures, angle and azumith. I'll handle
the load side, including thermal storage, etc.<br>
<br>
Thanks,<br>
<br>
--<br>
Karen<br>
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<br>
<div class="moz-signature">-- <br>
<title></title>
<b><font face="Arial" size="1">J. Cramer Silkworth<br>
Transsolar Climate Engineering<br>
Technical consulting for energy efficiency and environmental quality in
buildings.<br>
134 Spring Street, Suite 601<br>
New York, NY 10012<br>
212-219-2255<br>
<a href="mailto:silkworth@transsolar.com"
title="mailto:silkworth@transsolar.com">silkworth@transsolar.com</a>
</font></b></div>
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