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<p class=MsoNormal><span style='color:#1F497D'>Happy to help – I’ll
point out further that the important thing when modeling varying roof heights /
monitors using the “cutting method” (and that is a term I just made
up so don’t search for that explicitly), to save yourself some time, is
to match vertices when defining the separate shells. In doing so, eQuest
will recognize two planes are on top of each other and default each to be
adiabatic or partially adiabatic. <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'>This is good because on one
level you won’t accidentally end up with a lot more exterior wall than
you should have. On a further level, it will save you some time later in identifying
which walls need to be tied to adjacent zones (the adiabatic walls will stand
out in spreadsheet view), if you decide you want to more accurately account for
thermal behavior between the monitor zone(s) and the surroundings by defining “Next
to Space…”.<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'>Also, flattery will get you
nowhere, but thanks for the model compliment ;).<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'>Cheers!<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'>~Nick<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='color:#1F497D'><img width=119 height=37
id="_x0000_i1027" src="cid:image001.jpg@01CA6907.A781F540"
alt="cid:489575314@22072009-0ABB"></span><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'>NICK CATON, E.I.T.</span></b><b><span style='font-size:12.0pt;
font-family:"Stylus BT","sans-serif";color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:7.5pt;color:#CC9900'>PROJECT ENGINEER</span><span
style='font-size:7.5pt;font-family:"Times New Roman","serif";color:#CC9900'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>25501 west
valley parkway<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>olathe ks 66061<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>direct 913
344.0036<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>fax 913
345.0617<o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;color:#2D4D5E'>Check out
our new web-site @ </span></i><span style='color:#1F497D'><a
href="www.smithboucher.com" title="blocked::www.smithboucher.com"><span
style='font-size:10.0pt'>www.smithboucher.com</span></a></span><u><span
style='font-size:10.0pt;color:blue'> </span></u><span style='color:#1F497D'><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"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Smith, Aaron
Matthew [mailto:SMITHA11@rpi.edu] <br>
<b>Sent:</b> Thursday, November 19, 2009 10:48 AM<br>
<b>To:</b> Nick Caton; equest-users@lists.onebuilding.org<br>
<b>Subject:</b> RE: [Equest-users] Roof monitor "Open to Below"<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#1F497D'>Thanks Nick, this looks exactly
like what I want to accomplish. I will look up the “cutting lines”
strategy and see if I can implement it.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Also thank you for sharing the
images of your nice looking model.<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'>Cheers,<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Aaron<o:p></o:p></span></p>
<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"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Nick Caton
[mailto:ncaton@smithboucher.com] <br>
<b>Sent:</b> Thursday, November 19, 2009 11:33 AM<br>
<b>To:</b> Smith, Aaron Matthew; equest-users@lists.onebuilding.org<br>
<b>Subject:</b> RE: [Equest-users] Roof monitor "Open to Below"<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#1F497D'>I think you’ve identified
the root of your problem – I’m unsure that there’s any way to
get light in one shell to transmit to another.<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'>Attached and below is an example
of a project with a lot of roof monitors that does successfully measure and
account for daylighting in those spaces. A picture speaks a
thousand words, so see if this matches what you were thinking to
accomplish. <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'>Each monitor is a single zone
and shell (i.e. no plenum zone). Sensors are located either on the floor
or at a desk height, as appropriate to the space usage. Creating the
shell that “wraps” around the monitors is done by using
“cutting lines” in the footprint/zoning pattern – you can
read up on that strategy by searching the archives for how courtyards are
modeled. <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’ll point out, in terms
of accuracy, I have the impression that eQuest’s daylight sensors do not
accurately realize the full amount of light that should be encountered with light
shelves, light tubes, or other means of interreflected daylight, based on my
comparative daylight analyses using AGI32 (which I’ve learned to use
accurately for daylight modeling). The DOE2 help files I think also
allude to this – It’s something to keep in mind if you have a lot
of monitor overhangs, again as with the example below.<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'>~Nick<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'><img border=0 width=1245
height=712 id="Picture_x0020_2" src="cid:image002.png@01CA6907.A781F540"><o:p></o:p></span></p>
<div>
<p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p> </o:p></span></b></p>
<p class=MsoNormal><span style='color:#1F497D'><img border=0 width=119
height=37 id="Picture_x0020_1" src="cid:image001.jpg@01CA6907.A781F540"
alt="cid:489575314@22072009-0ABB"></span><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'>NICK CATON, E.I.T.</span></b><b><span style='font-size:12.0pt;
font-family:"Stylus BT","sans-serif";color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:7.5pt;color:#CC9900'>PROJECT ENGINEER</span><span
style='font-size:7.5pt;font-family:"Times New Roman","serif";color:#CC9900'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>25501 west
valley parkway<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>olathe ks 66061<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>direct 913
344.0036<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>fax 913
345.0617<o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;color:#2D4D5E'>Check out
our new web-site @ </span></i><span style='color:#1F497D'><a
href="www.smithboucher.com" title="blocked::www.smithboucher.com"><span
style='font-size:10.0pt'>www.smithboucher.com</span></a></span><u><span
style='font-size:10.0pt;color:blue'> </span></u><span style='color:#1F497D'><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"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Smith,
Aaron Matthew<br>
<b>Sent:</b> Thursday, November 19, 2009 9:42 AM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> [Equest-users] Roof monitor "Open to Below"<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Hello E-quest group,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I am working on ways to implement Equest in my workflow for
the purpose of daylighting design evaluation, and I am having trouble
implementing a roof monitor. I have read the help files that describe the
limitations of Equest to perform daylighting calculations, but I have also seen
that some people have been able to implement multilevel atriums and I have seen
one application of a roof monitor. Anyways I want to give it a go before I
start programming in Daylight Factors. <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Attached is an example building I would like to be able to
evaluate. My evaluation goal is to put a light meter on the bottom zone under
the monitor and see what results pop out in the detailed daylighting summary
reports (LS-G, LS-J, ect.) I would like to compare Equest results to the
results of other software/calculations/measurements I am investigating, however
it seems that no light from the roof monitor is making it to the bottom zone.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>The bottom shell is all one zone and the top is all one
zone. I have found that it is necessary that the bottom zone have windows or
else no daylighting dialog screen shows up in the DD wizard, and that means no light
meter. At first I tried to make the top zone “open to below” and
then in the detailed edit mode moved the light meter under the monitor, but the
results do not indicate any light is making it from the roof monitor to the
bottom zone.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I was hoping some of you might have some suggestions to help
implement this roof monitor setup.<o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal>Thanks,<o:p></o:p></p>
<p class=MsoNormal>Aaron<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:18.0pt;font-family:Mistral'>Aaron
Smith<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Century Gothic","sans-serif"'>Sr.
Research Specialist<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Century Gothic","sans-serif"'>smitha11@rpi.edu<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Century Gothic","sans-serif"'>Lighting
Research Center<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Century Gothic","sans-serif"'>21
Union Street<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Century Gothic","sans-serif"'>Troy,
NY 12180<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Century Gothic","sans-serif"'>p.
518.687.7167<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Century Gothic","sans-serif"'>f.
518.687.7120<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
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