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Hi Menush,<br>
I don't think you have the same thing. eQuest will treat 2 shells
butted to each other differently than a single interior wall
separating 2 zones in a shell. It treats the 2 butted walls as
exterior walls with a tiny space between. They are the same wall in
your thinking but they are not. You can delete one of them and make
the remaining wall an interior wall and assign the proper butting
spaces on each side of the wall as sharing the wall and transferring
heating and cooling through the wall. Or you can add an interior
wall to the original space and separate it into 2 zones. As you
have noticed there is a difference in the way eQuest treats your 2
solutions. It is particular. Now you need to pick the
configuration that matches what you are trying to model in such a
way that eQuest does/treats the wall in the way you want it to work.<br>
Bruce Easterbrook P.Eng.<br>
Abode Engineering<br>
<br>
<div class="moz-cite-prefix">On 3/1/2018 5:23 PM, Menush Akbari via
Equest-users wrote:<br>
</div>
<blockquote type="cite"
cite="mid:20180301222331.DDCX20225.toroondcmxzimta01-srv.bellnexxia.net@tordcvbicmrk03">
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<p class="MsoNormal">Hi all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m having an issue with infiltration and
wondering if anyone else has noticed this. When I’m in wizard
mode, I build a very simple rectangular shell and I change the
infiltration rate for perimeter zones to 0.05cfm/ft2. I leave
the core zone infiltration rate to the eQuest default value
(0.001cfm/ft2). From my understanding, the perimeter zone
entered value in wizard mode is based on exterior gross wall
area. When I move on to detail mode, eQuest changes the value
to an infiltration value per floor area instead of exterior
wall area. The values so far make sense and I can do the math
and get the same numbers eQuest calculates in detail mode. No
problems here.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The problem however happens when I create
different shells. For example, let’s say I have the same
rectangular building as mentioned above, but I split this up
into two different shells next to each other (two square
shells), therefore one of the walls of each square shell is an
interior wall, which means I should not see an infiltration of
0.05 cfm/ft2 of the gross wall area. However when I finish
building these two shells in detail mode (which would be
identical to one rectangular shell), the infiltration value is
not accurate anymore. Instead of the same numbers as my first
model (one rectangular shell), the second model calculates an
exterior wall infiltration value for the interior walls that
are budded up against each other.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Has anyone come across this? Is this a
quirk with eQuest and just needs to be changed manually in
detail mode, or am I doing something wrong here?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks for the help.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Cheers,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b><span
style="font-family:"Corbel",sans-serif;color:black;mso-fareast-language:EN-CA"
lang="EN-CA">Menush Akbari<o:p></o:p></span></b></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Corbel",sans-serif;color:black;mso-fareast-language:EN-CA"
lang="EN-CA">BEng, PEng, BEMP, CMVP<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Corbel",sans-serif;color:black;mso-fareast-language:EN-CA"
lang="EN-CA">Senior Energy Engineer<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Corbel",sans-serif;color:black;mso-fareast-language:EN-CA"
lang="EN-CA">Mission Green Buildings<o:p></o:p></span></p>
<p class="MsoNormal"><i><span
style="font-size:9.0pt;font-family:"Corbel",sans-serif;color:black;mso-fareast-language:EN-CA"
lang="EN-CA">(Mission Green Buildings is the trading name
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<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Corbel",sans-serif;color:black;mso-fareast-language:EN-CA"
lang="EN-CA"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span
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lang="EN-CA"><a
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<p class="MsoNormal"><u><span
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<p class="MsoNormal"><span
style="font-family:"Corbel",sans-serif;color:black;mso-fareast-language:EN-CA"
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<p class="MsoNormal"><span
style="font-family:"Corbel",sans-serif;color:black;mso-fareast-language:EN-CA"
lang="EN-CA"><img style="width:3.3666in;height:.8833in"
id="Picture_x0020_1"
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Years 2" class="" height="85" width="323" border="0"></span><span
style="color:black;mso-fareast-language:EN-CA" lang="EN-CA"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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