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<font face="Times New Roman, Times, serif">One small addition to the</font>
copy geometry picture, if go to the location drop down on the new wall
and select "V1 of the space polygon" eQuest will populate all the other
lower boxes for you.<br>
Great job Nick, much clearer than my explanation with text.<br>
Bruce Easterbrook P.Eng.<br>
Abode Engineering<br>
<br>
On 22/06/2010 11:01 AM, Nick Caton wrote:
<blockquote
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type="cite">
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<div class="Section1">
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);">Alright
folks…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);">This is
one of a number of
things I really wish someone walked me through when I was new to this –
so pay attention if you’re learning =)!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);">Attached
images are a “visual
guide” walking you through changing an external surface into an
adiabatic
internal surface in detailed mode. It took me 10 minutes to pull these
together, but 99% of that was spent creating/naming the images. The
process is simple.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);">Also, If <u>anyone</u>
can
answer this: Is there any plan or consideration to have images and
other
attachments like this included in the mailing list archives for future
reference? I think it’s a bummer that so many miss out on really
important
email attachments (excel tools, example files, studies, and other time
savers).
If it were possible, I and others might be more inclined to generate
this sort
of “mini-guide” visual response knowing others could find and reference
such information in the future. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);">~Nick<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"><img
id="_x0000_i1026" src="cid:part1.01090002.07000903@bellnet.ca"
alt="cid:489575314@22072009-0ABB" height="37" width="119"></span><b><span
style="font-family: "Stylus BT","sans-serif"; color: rgb(45, 77, 94);"><o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-family: "Stylus BT","sans-serif"; color: rgb(45, 77, 94);"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-family: "Stylus BT","sans-serif"; color: rgb(45, 77, 94);">NICK
CATON, E.I.T.</span></b><b><span
style="font-size: 12pt; font-family: "Stylus BT","sans-serif"; color: rgb(45, 77, 94);"><o:p></o:p></span></b></p>
<p class="MsoNormal"><span
style="font-size: 7.5pt; color: rgb(204, 153, 0);">PROJECT ENGINEER</span><span
style="font-size: 7.5pt; font-family: "Times New Roman","serif"; color: rgb(204, 153, 0);"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; color: rgb(45, 77, 94);">25501 west
valley parkway<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; color: rgb(45, 77, 94);">olathe ks 66061<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; color: rgb(45, 77, 94);">direct 913
344.0036<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; color: rgb(45, 77, 94);">fax 913
345.0617<o:p></o:p></span></p>
<p class="MsoNormal"><i><span
style="font-size: 10pt; color: rgb(45, 77, 94);">Check out
our new web-site @ </span></i><span style="color: rgb(31, 73, 125);"><a
moz-do-not-send="true" href="www.smithboucher.com"
title="blocked::www.smithboucher.com"><span style="font-size: 10pt;">www.smithboucher.com</span></a></span><u><span
style="font-size: 10pt; color: blue;"> </span></u><span
style="color: rgb(31, 73, 125);"><o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<div>
<div
style="border-style: solid none none; border-color: rgb(181, 196, 223) -moz-use-text-color -moz-use-text-color; border-width: 1pt medium medium; padding: 3pt 0in 0in;">
<p class="MsoNormal"><b><span
style="font-size: 10pt; font-family: "Tahoma","sans-serif";">From:</span></b><span
style="font-size: 10pt; font-family: "Tahoma","sans-serif";">
<a class="moz-txt-link-abbreviated" href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a>
[<a class="moz-txt-link-freetext" href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>] <b>On Behalf Of </b>Nick
Caton<br>
<b>Sent:</b> Tuesday, June 22, 2010 9:07 AM<br>
<b>To:</b> Sami, Vikram; Reba Schaber;
<a class="moz-txt-link-abbreviated" href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Equest-users] make exterior wall an interior wall<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">As further clarification,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">If you delete any wall/ceiling/roof, you (1)
remove both a
source of heat storage (thermal mass) while also (2) removing any heat
transfer
across that surface. As a caution: Losing the first effect can be a
lot more significant that you might assume, depending on what you’re
looking into.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">If you instead change any interior surface type
to
“adiabatic” (in the same wizard/detailed places you might select
“air” or “internal”), you will remove heat transfer
while retaining the thermal mass of the construction. This may be the
best route when trying to study a perimeter classroom in isolation, for
example.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Quirky thing is, you can’t change an exterior
surface
type (roof/floor/wall) to adiabatic, so as Vikram is saying you have to
first
create an interior surface, copying across the geometrical properties
(polygon,
vertices, azimuth…), then delete the exterior surface. Make sure to
define and assign an interior surface construction (layers) if the
Wizards
haven’t already set this up for you.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">~Nick<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><img id="Picture_x0020_1"
src="cid:part1.01090002.07000903@bellnet.ca"
alt="cid:489575314@22072009-0ABB" border="0" height="37" width="119"><b><span
style="font-family: "Stylus BT","sans-serif"; color: rgb(45, 77, 94);"><o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-family: "Stylus BT","sans-serif"; color: rgb(45, 77, 94);"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-family: "Stylus BT","sans-serif"; color: rgb(45, 77, 94);">NICK
CATON, E.I.T.</span></b><b><span
style="font-size: 12pt; font-family: "Stylus BT","sans-serif"; color: rgb(45, 77, 94);"><o:p></o:p></span></b></p>
<p class="MsoNormal"><span
style="font-size: 7.5pt; color: rgb(204, 153, 0);">PROJECT ENGINEER</span><span
style="font-size: 7.5pt; font-family: "Times New Roman","serif"; color: rgb(204, 153, 0);"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; color: rgb(45, 77, 94);">25501 west
valley parkway<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; color: rgb(45, 77, 94);">olathe ks 66061<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; color: rgb(45, 77, 94);">direct 913
344.0036<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; color: rgb(45, 77, 94);">fax 913
345.0617<o:p></o:p></span></p>
<p class="MsoNormal"><i><span
style="font-size: 10pt; color: rgb(45, 77, 94);">Check out
our new web-site @ </span></i><span style="color: rgb(31, 73, 125);"><a
moz-do-not-send="true" href="www.smithboucher.com"
title="blocked::www.smithboucher.com"><span style="font-size: 10pt;">www.smithboucher.com</span></a></span><u><span
style="font-size: 10pt; color: blue;"> </span></u><span
style="color: rgb(31, 73, 125);"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">-----Original Message-----<br>
From: <a class="moz-txt-link-abbreviated" href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a>
[<a class="moz-txt-link-freetext" href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>]
On Behalf Of Sami, Vikram<br>
Sent: Monday, June 21, 2010 9:20 PM<br>
To: Reba Schaber; <a class="moz-txt-link-abbreviated" href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
Subject: Re: [Equest-users] make exterior wall an interior wall<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Reba,<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">If you've gone through the wizard your
interior and
exterior walls should be in tehir correct places.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Interioir walls should separate two spaces,
and will
define heat transfer between those two spaces. You normally have to
define
which space is on the other side.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Exterior walls define heat transfer between
the space and
the outside.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">If you are in detailed mode, you can delete
one and
create the other as a child component to the space. When you say large
air
space - is that the air cavity in the wall? I'm not sure what
resistance eQUEST
attributes to the larger air gaps, but in reality air cavities over a
certain
size (I think 1 inch is probably the upper threshold) increase their
convective
heat transfer and the cavity resistance should go down (not up).<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">If your just looking to make it adiabatic, I
think you
should be fine with just deleting the wall. You will lose the thermal
mass of
the wall material though.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">I would model it as an interior wall -
especially if
there is a space on the other side.<o:p></o:p></p>
<p class="MsoPlainText">________________________________<o:p></o:p></p>
<p class="MsoPlainText">From:
<a class="moz-txt-link-abbreviated" href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a>
[<a class="moz-txt-link-abbreviated" href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a>] On Behalf Of Reba Schaber
[<a class="moz-txt-link-abbreviated" href="mailto:Rschaber@PHMECH.COM">Rschaber@PHMECH.COM</a>]<o:p></o:p></p>
<p class="MsoPlainText">Sent: Monday, June 21, 2010 9:43 PM<o:p></o:p></p>
<p class="MsoPlainText">To: <a class="moz-txt-link-abbreviated" href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><o:p></o:p></p>
<p class="MsoPlainText">Subject: [Equest-users] make exterior wall an
interior
wall<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">I’m running a simulation on just a portion of
a
building. eQuest sees all walls of the polygon as exterior walls.
In reality some walls are interior and will not have heat transfer. Is
there any way to make eQuest see those walls as interior walls?
I’ve thought of defining those walls with super insulation and a large
air space so heat transfer is negligible. Anyone tried that?<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"> Reba
Schaber Mechanical Engineer, P.E.<o:p></o:p></p>
<p class="MsoPlainText">
LEED Accredited Professional<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">This email and any files transmitted with it
are
confidential and intended solely for the addressee. If you are not the
named
addressee you should not disseminate, distribute, copy, or alter this
email.<o:p></o:p></p>
<p class="MsoPlainText">_______________________________________________<o:p></o:p></p>
<p class="MsoPlainText">Equest-users mailing list<o:p></o:p></p>
<p class="MsoPlainText"><a class="moz-txt-link-freetext" href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org</a><o:p></o:p></p>
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