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<DIV dir=ltr align=left><SPAN class=830185812-19122007><FONT color=#0000ff
size=4>Hi Monika, </FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=830185812-19122007><FONT color=#0000ff
size=4></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=830185812-19122007><FONT color=#0000ff
size=4>The simplified one-node solar collector model that Kamel mentioned in an
earlier email supports two-phase flow (that is glycol and water mixtures). Kamel
also modified the pump, tank and heat-exchanger models to support glycol
mixtures. </FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=830185812-19122007><FONT color=#0000ff
size=4></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=830185812-19122007><FONT color=#0000ff
size=4>- Alex </FONT></SPAN></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> esp-r-bounces@lists.strath.ac.uk
[mailto:esp-r-bounces@lists.strath.ac.uk] <B>On Behalf Of </B>Hall
Monika<BR><B>Sent:</B> Wednesday, December 19, 2007 07:14<BR><B>To:</B>
esp-r<BR><B>Subject:</B> [esp-r] water-glycol-mixing for solar
collector<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-GB
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Dear all,</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-GB
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-GB
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I work with a plant system which
includes a solar collector. Is it right, that the plant system work with water?
Usually a solar collector works with a water-glycol-mixture. Due to the
different of the thermal capacity and density of water and water-glycol-mixture,
the collector reacts differently. Does somebody know how to handle this? Is
there a possibility to specify the fluid? </SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-GB
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-GB
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P style="MARGIN: 0cm 0cm 0pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Thank you.</SPAN></FONT></P>
<P style="MARGIN: 0cm 0cm 0pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P style="MARGIN: 0cm 0cm 0pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Best regards</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P style="MARGIN: 0cm 0cm 0pt"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Monika</SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN lang=EN-GB
style="FONT-SIZE: 12pt"></SPAN></FONT> </P></DIV></BODY></HTML>