<div dir="ltr"><div class="gmail_default" style="font-family:trebuchet ms,sans-serif;font-size:large;color:#351c75">Thank you very much for this details. this is very instructive and helpful for me </div><div class="gmail_default" style="font-family:trebuchet ms,sans-serif;font-size:large;color:#351c75"><br></div><div class="gmail_default" style="font-family:trebuchet ms,sans-serif;font-size:large;color:#351c75">Kind regards </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Le mar. 21 avr. 2020 à 22:39, David BRADLEY <<a href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p>Imane,</p>
<p> How you handle stairs will depend a bit on the building. In
larger buildings that have a stairwell then I would model the
stairwell as one (or perhaps a few) zones stacked vertically. I
would not bother to draw the doors that lead between the stair
well and the rest of the building; I would let Type56 treat them
as wall area. <br>
</p>
<p> If you are dealing with a residential building and the stairs
are open then energy will transfer more by natural convection than
by conduction. TRNSYS by itself does not model the up and
downflowing air through a stairway so you'd need to implement
either a TRNFlow or a CONTAM model in order to assess the quantity
of air transfer.</p>
<p> When I have had to deal with open stairs, I have modeled the
opening between floors as a massless surface with a very low
thermal resistance and have defined a coupling air flow rate. The
air flow rate is then calculated by CONTAM (Type97) and is passed
to Type56, which in turn passes the upstairs and downstairs
temperatures back to Type97.</p>
<p>kind regards,</p>
<p> David</p>
<p><br>
</p>
<div>On 04/21/2020 05:55, Imane Srhayri via
TRNSYS-users wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">
<div dir="ltr">
<div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:large;color:rgb(53,28,117)">Thank you very
much for your answer, i have already seen this video but i
need a complete model whith several floors and how to
include stairs. </div>
<div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:large;color:rgb(53,28,117)"><br>
</div>
<div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:large;color:rgb(53,28,117)">Kind regards </div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">Le lun. 20 avr. 2020
à 09:58, Alexander Schneider via TRNSYS-users <<a href="mailto:trnsys-users@lists.onebuilding.org" target="_blank">trnsys-users@lists.onebuilding.org</a>>
a écrit :<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="auto">Hello,
<div><br>
</div>
<div>I know that there are some videos on YouTube how to
create an model for TRNSYS using sketchup. </div>
<div>For example this one is in spanish but it’s good to
follow, even if you do not speak Spanish. <br>
<br>
<div dir="ltr"><a href="https://youtu.be/qUCejwGUl-k" target="_blank">https://youtu.be/qUCejwGUl-k</a></div>
<div dir="ltr"><br>
</div>
<div dir="ltr">Also in the folder: documentation from
trynsys, you can find tutorials that are good to
follow and are good to start with and to understand
the program. There is also a explanation how to use
Sketchup with TRNSYS.</div>
<div dir="ltr"><br>
</div>
<div dir="ltr">Best regards </div>
<div dir="ltr"><br>
</div>
<div dir="ltr"><br>
<blockquote type="cite">Am 19.04.2020 um 21:17 schrieb
Imane Srhayri via TRNSYS-users <<a href="mailto:trnsys-users@lists.onebuilding.org" target="_blank">trnsys-users@lists.onebuilding.org</a>>:<br>
<br>
</blockquote>
</div>
<blockquote type="cite">
<div dir="ltr">
<div dir="ltr">
<div><br clear="all">
</div>
<div>
<div>Hello,</div>
<div><br>
</div>
<div>Please
i need some help about the Trnsys 3D model in
sketchup. should we include all the zones(
including stairs) <span style="font-family:Arial,Helvetica,sans-serif;font-size:small;color:rgb(34,34,34)"></span></div>
<div><br>
</div>
<div>And
where can i find an exemple of drawing a
Sketchup model (video)?</div>
<br>
</div>
<div>
<div>Sincerly
yours. </div>
<br>
</div>
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<div dir="ltr"><i><font color="#000000"><span style="font-family:helvetica,arial,sans-serif;line-height:15.36px;white-space:pre-wrap"><font size="2"><b>SRHAYRI Imane</b></font></span><span style="font-family:helvetica,arial,sans-serif;font-size:12px;line-height:15.36px;white-space:pre-wrap">
<b>Ph.D Student </b></span></font></i></div>
<div dir="ltr"><i><span style="font-family:helvetica,arial,sans-serif;font-size:12px;line-height:15.36px;white-space:pre-wrap"><b><font color="#000000">Research Team of Thermal, Energy and Environment</font></b></span></i></div>
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</font></b></span></i></div>
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<pre cols="72">--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
3 North Pinckney Street - suite 202
Madison, WI 53703 USA
P:+1.608.274.2577
F:+1.608.278.1475
<a href="mailto:d.bradley@tess-inc.com" target="_blank">d.bradley@tess-inc.com</a>
<a href="http://www.tess-inc.com" target="_blank">http://www.tess-inc.com</a>
<a href="http://www.trnsys.com" target="_blank">http://www.trnsys.com</a></pre>
</div>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="rtl" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="rtl"><div dir="ltr"><i><font color="#000000"><span style="font-family:helvetica,arial,sans-serif;line-height:15.36px;white-space:pre-wrap"><font size="2"><b>SRHAYRI Imane</b></font></span><span style="font-family:helvetica,arial,sans-serif;font-size:12px;line-height:15.36px;white-space:pre-wrap">
<b>Ph.D Student </b></span></font></i></div><div dir="ltr"><i><span style="font-family:helvetica,arial,sans-serif;font-size:12px;line-height:15.36px;white-space:pre-wrap"><b><font color="#000000">Research Team of Thermal, Energy and Environment</font></b></span></i></div><div dir="ltr"><i><span style="font-family:helvetica,arial,sans-serif;font-size:12px;line-height:15.36px;white-space:pre-wrap"><b><span lang="EN-US" style="font-size:11.5pt;line-height:17.6333px;font-family:Calibri,sans-serif"><font color="#000000">ENSET, Mohammed V University of Rabat</font></span><font color="#351c75">
</font></b></span></i></div><div><i style="color:rgb(53,28,117)"><span style="font-family:helvetica,arial,sans-serif;font-size:12px;line-height:15.36px;white-space:pre-wrap"><b><span lang="EN-US" style="font-size:11.5pt;line-height:17.6333px;font-family:Calibri,sans-serif"><br></span></b></span></i></div></div></div></div></div></div></div></div>