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Juan,<br>
You would need to use TRNFlow or CONTAM (Type97) to calculate the
rates at which air flows from one zone to another based on the
temperature and pressure differences within your building. Type56
can, however, calculate the effect of known air flow rates between
zones. Since implementing a TRNFlow or CONTAM airflow model is
somewhat complicated, you might start off by assuming some
interzonal air flow rates to see what the impact of those air flow
rates is on the stratification and comfort within the building. If
you assume a reasonably low air exchange rate and find that the
comfort results are not significantly different from those when you
assume a high air exchange rate then you can save yourself the time
and energy of implementing the air flow model. <br>
Kind regards,<br>
David<br>
<br>
<br>
<div class="moz-cite-prefix">On 8/6/2013 03:15, JUAN FRANCISCO
BELMONTE TOLEDO wrote:<br>
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext">Hello
all.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext"
lang="EN-US">I’m modeling a living room of 4m height,
conditioned by cooling ceiling panels and I’m evaluating the
possibility of using multiple airnodes to simulate the
stratification of the temperature within and its influence
on comfort parameters, but I have some preliminary
questions about it:<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext"
lang="EN-US">¿I have to calculate (don’t know, for example
with TRNFLOW) or estimate the air flow exchange between
airnodes or TRNBUILD is capable of simulating the buoyancy
air flow phenomena automatically….?.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext"
lang="EN-US">Thank you.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span
style="font-size:8.0pt;font-family:"Linux
Libertine";color:black;mso-fareast-language:ES">Juan
Francisco Belmonte Toledo</span></b><span
style="font-size:8.0pt;font-family:"Linux
Libertine";color:blue;mso-fareast-language:ES"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Linux
Libertine";color:black;mso-fareast-language:ES">Dpto.
de Mecánica Aplicada e Ing. de Proyectos</span><span
style="font-size:8.0pt;font-family:"Linux
Libertine";color:blue;mso-fareast-language:ES"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Linux
Libertine";color:black;mso-fareast-language:ES">Universidad
de Castilla-La Mancha</span><span
style="font-size:8.0pt;font-family:"Linux
Libertine";color:blue;mso-fareast-language:ES"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:8.0pt;font-family:"Linux
Libertine";color:black;mso-fareast-language:ES"><a
moz-do-not-send="true"
href="mailto:Juanf.belmonte@uclm.es"><span
style="color:blue">Juanf.belmonte@uclm.es</span></a></span><span
style="font-size:8.0pt;font-family:"Linux
Libertine";color:blue;mso-fareast-language:ES"><o:p></o:p></span></p>
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<pre class="moz-signature" cols="72">--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI 53703 USA
P:+1.608.274.2577
F:+1.608.278.1475
<a class="moz-txt-link-abbreviated" href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a>
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