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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'><o:p> </o:p></span></font>
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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'>Hi,<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>
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<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>TRNFlow is integrated in the
code of multi-zone building model Type 56 of TRNSYS.<o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>However, in order to
activate it you need to buy the an add-on model separately.<o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>You can simply ignore
this message “</span></font><font size=1 face=Verdana><span lang=EN-GB
style='font-size:9.0pt;font-family:Verdana'>Message : TRNFLOW multi zone air
flow model integrated”<br>
</span></font><font size=2 color=navy face=Arial><span lang=EN-GB
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=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>Regards,<o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font>
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color=navy face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:
Arial;color:navy'>Marion</span></font></st1:City></st1:place><font size=2
color=navy face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:
Arial;color:navy'><o:p></o:p></span></font>
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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'>Von:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
pseudomino@gmx.com [mailto:pseudomino@gmx.com] <br>
<b><span style='font-weight:bold'>Gesendet:</span></b> Montag, 18. April 2011
09:58<br>
<b><span style='font-weight:bold'>An:</span></b> TRNSYS-users@cae.wisc.edu<br>
<b><span style='font-weight:bold'>Betreff:</span></b> [TRNSYS-users] Re : Re:
Convection in a simple two storey zone</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><font size=1 face=Verdana><span style='font-size:9.0pt;font-family:Verdana'>And
what about this message I get in the List file ?<br>
Message : TRNFLOW multi zone air flow model integrated<br>
<br>
I use Trnsys17 and as far as I know there is no TRNFLOW installed.<o:p></o:p></span></font>
</p>
<p style='margin:0cm;margin-bottom:.0001pt'><font size=1 face=Verdana><span
style='font-size:9.0pt;font-family:Verdana'> <o:p></o:p></span></font>
</p>
<blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 4.0pt;
margin-left:3.75pt;margin-right:0cm' type=cite>
<p style='margin:0cm;margin-bottom:.0001pt'><font size=1 face=Verdana><span
style='font-size:9.0pt;font-family:Verdana'>----- Message d'origine -----<o:p></o:p></span></font>
</p>
<p style='margin:0cm;margin-bottom:.0001pt'><font size=1 face=Verdana><span
style='font-size:9.0pt;font-family:Verdana'>De : David BRADLEY<o:p></o:p></span></font>
</p>
<p style='margin:0cm;margin-bottom:.0001pt'><font size=1 face=Verdana><span
style='font-size:9.0pt;font-family:Verdana'>Envoyés : 15.04.11 20:47<o:p></o:p></span></font>
</p>
<p style='margin:0cm;margin-bottom:.0001pt'><font size=1 face=Verdana><span
style='font-size:9.0pt;font-family:Verdana'>À : pseudomino@gmx.com<o:p></o:p></span></font>
</p>
<p style='margin:0cm;margin-bottom:.0001pt'><font size=1 face=Verdana><span
style='font-size:9.0pt;font-family:Verdana'>Objet : Re: [TRNSYS-users]
Convection in a simple two storey zone<o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=1 face=Verdana><span style='font-size:9.0pt;
font-family:Verdana'><o:p> </o:p></span></font>
</p>
<div bgcolor="#ffffff" text="#000000">
<p class=MsoNormal><font size=1 face=Verdana><span style='font-size:9.0pt;
font-family:Verdana'>The Type56 model by itself does not calculate any
interzonal air flow (ie the buoyancy of warmer air is not accounted for).
Type56 allows you to specify coupling airflow between zones. Calculation of the
coupling airflow must be done by integrating Type56's thermal solution with
TRNFlow, COMIS, or Type97 (Contam). The effect you are seeing is only due to a
change between the star-network (simple) radiation model and the gebhardt
factor (detailed) radiation model now available in Type56.<br>
Kind regards,<br>
David<br>
<br>
On 4/14/2011 09:46, <a href="mailto:pseudomino@gmx.com">pseudomino@gmx.com</a>
wrote: <o:p></o:p></span></font>
</p>
<p class=MsoNormal><font size=1 face=Verdana><span style='font-size:9.0pt;
font-family:Verdana'>Hi,<br>
<br>
In Trnsys 17, I made a very simple test : two little air-nodes superposed,
forming part of a thermal zone.<br>
There is only one windows facing south, at the first floor. I ditn't made
anything else.<br>
<br>
<strong><b><font face=Verdana><span style='font-family:Verdana'>Case 1 : Simple
radiation model</span></font></b></strong><br>
Quite realistically, the second floor is warmer.<br>
<br>
<strong><b><font face=Verdana><span style='font-family:Verdana'>Case 2 :
Detailed radiation model</span></font></b></strong><br>
The 2 air-nodes have their temperatures centered around the same value and very
near, except that the first floor has more extreme temperature variations.<br>
<br>
I want to illustrate the hot air elevation by a simple example, but I'm not
sure of the phenomenon that are taken into account.<br>
<br>
Thank you ! <o:p></o:p></span></font>
</p>
<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=1 face=Verdana><span style='font-size:9.0pt;
font-family:Verdana'><fieldset class="mimeAttachmentHeader"> </fieldset>
_______________________________________________ TRNSYS-users mailing list <a
href="mailto:TRNSYS-users@cae.wisc.edu">TRNSYS-users@cae.wisc.edu</a> <a
href="https://mailman.cae.wisc.edu/listinfo/trnsys-users" target="_blank">https://mailman.cae.wisc.edu/listinfo/trnsys-users</a><o:p></o:p></span></font>
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<p class=MsoNormal><font size=1 face=Verdana><span style='font-size:9.0pt;
font-family:Verdana'><o:p> </o:p></span></font>
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<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'>*************************** <o:p></o:p></span></font>
</pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>David BRADLEY <o:p></o:p></span></font>
</pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>Principal <o:p></o:p></span></font>
</pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>Thermal Energy Systems Specialists, LLC <o:p></o:p></span></font>
</pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>22 North Carroll Street - suite 370 <o:p></o:p></span></font>
</pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>Madison, WI 53703 USA <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'>P:+1.608.274.2577 <o:p></o:p></span></font>
</pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>F:+1.608.278.1475 <o:p></o:p></span></font>
</pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><a
href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a> <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
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href="http://www.tess-inc.com" target="_blank">http://www.tess-inc.com</a> <o:p></o:p></span></font>
</pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><a
href="http://www.trnsys.com" target="_blank">http://www.trnsys.com</a><o:p></o:p></span></font>
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