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Ajit,<br>
Got it. I thought for some reason that your two surfaces were
back-to-back and made up a ceiling of one zone and the floor of the
one above, not a floor and a ceiling in the same airnode.<br>
<br>
In any case, if you look in the airnode window and click on each
of your "walls" you'll notice that there is a number listed in blue
to the right of the "geosurf" field. This is a surface number
indicator. When you then go into the output manager, and start
selecting your surfaces, you'll notice those same numbers listed.<br>
Best,<br>
David<br>
<br>
<br>
<div class="moz-cite-prefix">On 12/18/2013 14:49, Ajit Naik wrote:<br>
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<p class="MsoNormal"><span style="color:#1F497D">Thanks David. I
think I need a bit of clarification though:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I am just
modeling the one airnode representing my level (call it
level 5), and presuming that the imaginary levels 6 and 4
are at a constant temp by designating both the floor and
ceiling of floor 5 as boundary constructions. There are no
actual adjacent airnodes representing level 6 or 4 present.
However, I still wish to consider the effect of level 4’s
radiant system on level 5 via the floor in addition to the
effect of level 5’s radiant ceiling. When trying to
distinguish the floor from the ceiling here, I run into
trouble. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I thought about
creating ideally conditioned “dummy” airnodes for levels 6
& 4 and defining the radiant surfaces as adjacent
constructions to overcome this, but wanted to know if
there’s an easier method of telling floor from ceiling with
the model as-is.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Thanks again!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Ajit
Naik</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Energy
Engineer</span><o:p></o:p></p>
<p class="MsoNormal"><b><span
style="font-size:13.5pt;font-family:"Arial","sans-serif";color:#546488">dbHMS<br>
</span></b><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">303
W Erie Street, Suite 510</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Chicago,
IL 60654</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">p
(312) 915-0557 x308</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">f
(312) 915-0558</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"><a
moz-do-not-send="true" href="www.dbhms.com">www.dbhms.com</a><o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
<a class="moz-txt-link-abbreviated" href="mailto:trnsys-users-bounces@cae.wisc.edu">trnsys-users-bounces@cae.wisc.edu</a>
[<a class="moz-txt-link-freetext" href="mailto:trnsys-users-bounces@cae.wisc.edu">mailto:trnsys-users-bounces@cae.wisc.edu</a>]
<b>On Behalf Of </b>David BRADLEY<br>
<b>Sent:</b> Wednesday, December 18, 2013 12:11 PM<br>
<b>To:</b> TRNSYS users mailing list at the Solar Energy
Lab, UW-Madison<br>
<b>Subject:</b> Re: [TRNSYS-users] Floor vs Ceiling when
both active?<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">Ajit,<br>
I would have defined a single construction separating the
airnode above from the airnode below (instead of defining two
BOUNDARY surfaces). To get the surface temperature of the
ceiling side of the construction, select the airnode that
contains the ceiling when you are in the TRNBuild output
manager. Change to "surface outputs" and select the TSI ntype
(ntype17).
<br>
Best,<br>
David<br>
<o:p></o:p></p>
<div>
<p class="MsoNormal">On 12/18/2013 11:25, Ajit Naik wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Hello All,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">I am modeling a single floor of
multi-story building with an in-ceiling radiant system. I
have defined an active surface has a carpet on the “floor”
side and exposed concrete on the “ceiling” side.
<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">I naturally defined the ceiling of the
airnode as an active surface, but also defined the floor as
an active surface as well to account for the effects of the
underlying level’s radiant ceiling. Both the ceiling and the
floor of the airnode are defined as boundary surfaces with a
fixed temperature on the other side. <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Here’s my problem – I am interested in
recording the airnode’s CEILING temperature (at the exposed
concrete surface) – but within TRNBUILD the ceiling and
floor both have identical surface areas and I cannot tell
which is which! The only differentiable marker I observe is
the surface type. Is there any simple way to find which of
the two surfaces is the Ceiling in this case?<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Thank you!!<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Ajit<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Ajit
Naik</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Energy
Engineer</span><o:p></o:p></p>
<p class="MsoNormal"><b><span
style="font-size:13.5pt;font-family:"Arial","sans-serif";color:#546488">dbHMS<br>
</span></b><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">303
W Erie Street, Suite 510</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Chicago,
IL 60654</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">p
(312) 915-0557 x308</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">f
(312) 915-0558</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"><a
moz-do-not-send="true" href="www.dbhms.com">www.dbhms.com</a></span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><br>
<br>
<br>
<o:p></o:p></span></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>TRNSYS-users mailing list<o:p></o:p></pre>
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<br>
<o:p></o:p></span></p>
<pre>-- <o:p></o:p></pre>
<pre>***************************<o:p></o:p></pre>
<pre>David BRADLEY<o:p></o:p></pre>
<pre>Principal<o:p></o:p></pre>
<pre>Thermal Energy Systems Specialists, LLC<o:p></o:p></pre>
<pre>22 North Carroll Street - suite 370<o:p></o:p></pre>
<pre>Madison, WI 53703 USA<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>P:+1.608.274.2577<o:p></o:p></pre>
<pre>F:+1.608.278.1475<o:p></o:p></pre>
<pre><a moz-do-not-send="true" href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a><o:p></o:p></pre>
<pre><o:p> </o:p></pre>
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<br>
<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>
<a class="moz-txt-link-freetext" href="http://www.tess-inc.com">http://www.tess-inc.com</a>
<a class="moz-txt-link-freetext" href="http://www.trnsys.com">http://www.trnsys.com</a></pre>
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