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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'>Dear Oliver,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy'>your problem looks
simular to a problem I had with pollution concentrations. Perhaps the attached
discussions can help. Good luck<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy'>Kind regards,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy'>Stefan de Kool<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=DE
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

</div>

<blockquote style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'>

<p class=MsoNormal style='margin-bottom:12.0pt'><font size=2 face=Tahoma><span
lang=DE style='font-size:10.0pt;font-family:Tahoma'>-----Ursprüngliche
Nachricht-----<br>
<b><span style='font-weight:bold'>Von:</span></b>
trnsys-users-bounces@engr.wisc.edu [mailto:trnsys-users-bounces@engr.wisc.edu] <b><span
style='font-weight:bold'>Im Auftrag von </span></b>Pol Olivier<br>
<b><span style='font-weight:bold'>Gesendet:</span></b> Freitag, 5. Mai 2006
08:14<br>
<b><span style='font-weight:bold'>An:</span></b> trnsys-users@engr.wisc.edu<br>
<b><span style='font-weight:bold'>Betreff:</span></b> [TRNSYS-users] TRNFLOW
and relative humidity</span></font><span lang=DE><o:p></o:p></span></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Hello,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>I am using TRNFLOW to calculate the air flow between
different zones (in the case of one volume, I defined a fictive “large
opening” between the lower and the upper part of the room).<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>As I want to calculate the relative humidity, I get
the following message:<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Small internal timesteps (<0.1% of simulation
timestep) used for humidity calculations due to large coupling air flows
between zones!<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>How could I reduce the calculated air flow or is it
another way to solve this problem?<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Thank you for your help,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Olivier.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal style='line-height:15.0pt'><font size=1 color=black
face=Arial><span lang=DE style='font-size:9.0pt;font-family:Arial;color:black;
layout-grid-mode:line'>____________________________</span></font><font size=1
color=black face=Arial><span lang=DE style='font-size:9.0pt;font-family:Arial;
color:black'><o:p></o:p></span></font></p>

<p class=MsoNormal style='line-height:15.0pt'><b><font size=1 color=maroon
face=Arial><span lang=DE style='font-size:9.0pt;font-family:Arial;color:maroon;
font-weight:bold'>arsenal research</span></font></b><b><font size=1 face=Arial><span
lang=DE style='font-size:9.0pt;font-family:Arial;font-weight:bold'><o:p></o:p></span></font></b></p>

<h1 style='margin:0cm;margin-bottom:.0001pt;line-height:15.0pt'><b><font
size=1 color=maroon face=Arial><span lang=DE style='font-size:9.0pt;font-family:
Arial;color:maroon;font-weight:normal'>Geschäftsfeld Nachhaltige Energiesysteme /
<br>
Business Unit Sustainable Energy Systems</span></font></b><span lang=DE><o:p></o:p></span></h1>

<h1 style='margin:0cm;margin-bottom:.0001pt;line-height:15.0pt'><b><font
size=1 face=Arial><span lang=DE style='font-size:9.0pt;font-family:Arial;
font-weight:normal'>DI Olivier Pol</span></font></b><font size=1 face=Arial><span
lang=DE style='font-size:9.0pt;font-family:Arial'><o:p></o:p></span></font></h1>

<p class=MsoNormal style='line-height:15.0pt'><font size=1 face=Arial><span
lang=IT style='font-size:9.0pt;font-family:Arial'>Austria, 1210 Vienna,
Giefinggasse 2<o:p></o:p></span></font></p>

<p class=MsoNormal style='line-height:15.0pt'><font size=1 face=Arial><span
lang=IT style='font-size:9.0pt;font-family:Arial'>ph: +43 (0) 50550-6592, f:
+43 (0) 50550-6613</span></font><span lang=IT><o:p></o:p></span></p>

<p class=MsoNormal style='line-height:15.0pt'><font size=1 face=Arial><span
lang=IT style='font-size:9.0pt;font-family:Arial'>mobile: +43 (0)664/ 62 07 890<o:p></o:p></span></font></p>

<p class=MsoNormal style='line-height:15.0pt'><font size=1 color=blue
face=Arial><span lang=EN-GB style='font-size:9.0pt;font-family:Arial;
color:blue'><a href="mailto:olivier.pol@arsenal.ac.at"><span lang=IT>olivier.pol@arsenal.ac.at</span></a></span></font><font
size=1 color=blue face=Arial><span lang=IT style='font-size:9.0pt;font-family:
Arial;color:blue'><o:p></o:p></span></font></p>

<p class=MsoNormal style='line-height:15.0pt'><font size=1 color=blue
face=Arial><span lang=DE-AT style='font-size:9.0pt;font-family:Arial;
color:blue'><a href="http://www.arsenal.ac.at/"><span lang=IT>www.arsenal.ac.at</span></a></span></font><font
size=1 face=Arial><span lang=DE style='font-size:9.0pt;font-family:Arial'><o:p></o:p></span></font></p>

<p class=MsoNormal style='line-height:15.0pt'><font size=1 color=black
face=Arial><span lang=IT style='font-size:9.0pt;font-family:Arial;color:black;
layout-grid-mode:line'>_________________________</span></font><span lang=DE><o:p></o:p></span></p>

<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=DE
style='font-size:12.0pt'><o:p> </o:p></span></font></p>

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