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Dear Marie-Hélène and all trnsys-users,<br>
<br>
I had the same questions some years before and never had any answer
...<br>
<br>
However these moisture transfers are essentials for air conditioning
calculations. It would be very helpful if someone of transsolar
explains us how to use this Moisture Capacitance Model. It seems
that explanations in volume 5 Manual documentation are not enough
clear ...<br>
<br>
Many thanks for any help !!!<br>
<br>
<br>
<div class="moz-signature"><b><font face="Calibri"> Christophe
PLANTIER </font></b><font face="Calibri"> <br>
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<div class="moz-cite-prefix">Le 24/08/2017 20:12, Marie-Hélène via
TRNSYS-users a écrit :<br>
</div>
<blockquote
cite="mid:CAOaxjXx678kVQC-xXXh_jjpsxLpuP5g_YSy7PZOTSu_osiOOWw@mail.gmail.com"
type="cite">
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<p class="MsoNormal">Hi everyone,<span></span></p>
<p class="MsoNormal"><br>
</p>
<p class="MsoNormal"><span lang="EN-CA">I’m working
on a multi-zone building (type 56) model with TRNSYS18 and I
want to use the Moisture
Capacitance Model (Buffer Storage Humidity Model). To do
this, I have to define
6 parameters: Ksurf, Kdeep, Msurf, Mdeep, Bsurf and Bdeep
for every thermal
zone.<br>
<br>
There are many questions about this on the mailinglist but
not many answers. I
listed some questions about the <i>Buffer Storage
Example</i> (TRNSYS documentation) below :<br>
<br>
1- When calculating Mdeep, why the thickness of every
material i is not double in
the calculation of Mi as it is for the calculation of Msurf
?<br>
</span>(<a moz-do-not-send="true"
href="https://www.mail-archive.com/trnsys-users@engr.wisc.edu/msg01911.html">https://www.mail-archive.com/trnsys-users@engr.wisc.edu/msg01911.html</a>)<span></span></p>
<p class="MsoNormal"><span lang="EN-CA"><br>
2- When calculating
Mdeep, they do consider the concrete from ceiling and ground
floor, but there's some information missing in the example
to explain Mconcrete = 175kg. For this calculation should I
use the thinkness
and area of concrete from floor and ceiling?<span></span></span></p>
<p class="MsoNormal"><span lang="EN-CA"><br>
3- When
calculating Bdeep, the value of A is 50m^2, wich is the
wall/gypsum area. Floor
and ceiling area are neglected?<br>
<br>
4- Someone know a good link or reference about this
calculation?<br>
<br>
<span></span></span></p>
<p class="MsoNormal"><span lang="EN-CA">Thank you
very much,<span></span></span></p>
<p class="MsoNormal"><span lang="EN-CA"><br>
</span></p>
<p class="MsoNormal"><span lang="EN-CA"><img
src="cid:part2.03050203.00030605@enertech.fr" alt="Images
intégrées 1" height="544" width="354"><br>
</span></p>
<p class="MsoNormal"><span></span></p>
<div>
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<div>
<div style="color:rgb(0,0,0);margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><b><span
style="font-size:9pt;font-family:"Arial
Unicode MS",sans-serif">Marie-Hélène
Talbot</span></b><span
style="font-size:8pt;font-family:"Arial
Unicode MS",sans-serif"> </span><span
style="font-size:8pt">| </span><span
style="font-family:"Arial Unicode
MS",sans-serif;font-size:11px">Étudiante
à la maîtrise</span></div>
<div style="color:rgb(0,0,0);margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span
style="font-family:"Arial Unicode
MS",sans-serif;font-size:11px">Énergies
renouvelables et efficacité énergétique</span></div>
<div style="color:rgb(0,0,0);margin:0cm 0cm
0.0001pt;font-family:Calibri,sans-serif"><span
style="font-family:"Arial Unicode
MS",sans-serif"><span
style="font-size:8pt">Département de génie
de la construction</span></span></div>
<div style="color:rgb(0,0,0);margin:0cm 0cm
0.0001pt;font-size:11pt;font-family:Calibri,sans-serif"><span
style="font-size:8pt;font-family:"Arial
Unicode MS",sans-serif">École de
technologie supérieure</span></div>
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