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<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Hello TRNSYS users:</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>After designing the air network in TRNFLOW, which
includes several auxiliary nodes, fans and ducts,</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>no error is reported when the file is saved. Then,
the simulation in TRNSYS runs with no problem, but the *.bui file is modified
by the program.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>In the air network, one thermal node is changed by a
constant pressure node.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Does anyone know the reason of this change in the
file?</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>I don’t know if it's necessary to define a
reference pressure in the air network, and because of this the change in the
node is done. I've only used</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>external, thermal and auxiliary nodes to define the
network.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Please, could anyone help me?</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'> </span></font></p>
<p class=section1><font size=3 color="#0033cc" face="Times New Roman"><span
style='font-size:12.0pt;color:#0033CC'>______________________________________________________________________________</span></font><br>
<strong><b><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>Amandine Gal</span></font></b></strong><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><br>
Departamento de Investigación, Desarrollo e Innovación<font color="#0033cc"><span
style='color:#0033CC'>__</span></font>I+D+I</span></font><br>
<font color="#0033cc"><span style='color:#0033CC'>_____________________________________________</span></font><br>
<strong><b><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'>Acciona Infraestructuras</span></font></b></strong><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'><br>
Parque Empresarial de La Moraleja<br>
Av. de Europa, 21<br>
28108 Alcobendas (MADRID)</span></font><br>
<font color="#0033cc"><span style='color:#0033CC'>_____________________</span></font><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><br>
Tel. </span></font><font size=2 face=Arial><span lang=FR
style='font-size:10.0pt;font-family:Arial'>+34.91.663.30.96<br>
Fax. +34.91.663.31.88<br>
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'><a href="mailto:centag14@acciona.es"><span lang=FR>amandgal@acciona.es</span></a></span></font><font
size=2 face=Arial><span lang=FR style='font-size:10.0pt;font-family:Arial'><br>
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'><a href="http://www.acciona-infraestructuras.com" target="_blank"><span
lang=FR>www.acciona-infraestructuras.com</span></a></span></font><font size=2
face=Arial><span lang=FR style='font-size:10.0pt;font-family:Arial'><br>
</span></font><font size=2 face=Arial><span style='font-size:10.0pt;font-family:
Arial'><a href="http://www.constructionrd.com" target="_blank"><span lang=FR>www.constructionrd.com</span></a></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=FR
style='font-size:12.0pt'> </span></font></p>
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