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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Greetings Everyone, and Happy New Year.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I’d like to revive a discussion on Chilled Beams from
2006 from the BLDG-SIM archives to see if anyone has had some additional
insights into the modeling problems involved. I’ve reprinted (one
of) the relevant threads below.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I’m currently modeling a building in eQuest that has
active chilled beams as an alternate. To summarize my understanding of
the prior consensus:<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><span
style='mso-list:Ignore'>1)<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'> </span></font></span></span></font><![endif]><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>The chilled
beams can be modeled as either a PIU OR FCU system.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><span
style='mso-list:Ignore'>2)<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'> </span></font></span></span></font><![endif]><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Use OA-FROM-SYSTEM
to pass the required outside air to individual room, specifying a central dedicated
ventilation air handler.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><span
style='mso-list:Ignore'>3)<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'> </span></font></span></span></font><![endif]><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Check SSN
reports to make sure that there’s no condensation on the chilled beams.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><span
style='mso-list:Ignore'>4)<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'> </span></font></span></span></font><![endif]><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Check
turndown ratio and match induction rate to the profile of the beam.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Some questions –<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>One person said the induction ratio doesn’t really
matter. It this true?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Items 3) and 4) below from Graham Carter, it would be really
helpful if those comments were fleshed out a bit more. I would assume that
this would entail making a set of dummy spaces that have the latent loads of
the actual spaces. Would these be attached to the chilled beams system,
or to the “ventilation only” air handler?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Steven<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Bookman Old Style"><span
style='font-size:12.0pt;font-family:"Bookman Old Style"'>Steven Savich</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 face="Bookman Old Style"><span
style='font-size:10.0pt;font-family:"Bookman Old Style"'>Systems West Engineers</span></font><o:p></o:p></p>
<p class=MsoNormal><st1:Street w:st="on"><st1:address w:st="on"><font size=2
face="Bookman Old Style"><span style='font-size:10.0pt;font-family:"Bookman Old Style"'>411
High Street</span></font></st1:address></st1:Street><o:p></o:p></p>
<p class=MsoNormal><st1:place w:st="on"><st1:City w:st="on"><font size=2
face="Bookman Old Style"><span style='font-size:10.0pt;font-family:"Bookman Old Style"'>Eugene</span></font></st1:City><font
size=2 face="Bookman Old Style"><span style='font-size:10.0pt;font-family:
"Bookman Old Style"'>, <st1:State w:st="on">OR</st1:State> <st1:PostalCode
w:st="on">97401-2427</st1:PostalCode></span></font></st1:place><o:p></o:p></p>
<p class=MsoNormal><font size=2 face="Bookman Old Style"><span
style='font-size:10.0pt;font-family:"Bookman Old Style"'>(541) 342-7210</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 face="Bookman Old Style"><span
style='font-size:10.0pt;font-family:"Bookman Old Style"'>(541) 342-7220 (fax)</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>This is a good discussion, I am glad others are trying to
find work arounds as the humidity control and central heating aspects are not
straight forward.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>I am not fmailiar with the fan energy problems, but I am
familiar with the following:</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>1) There is a lower limit on CHW DT across the chiller which
I believe is 6DegF.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>2) The OA-FROM-SYSTEM is the way to go in EQuest/2.2.
TAS, Apache and I suspect other programs allow the heating / humidity control
to be handled more easily and accurtely but fall down on the waterside.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>3) The OA-FROM-SYSTEM cannot 'see' the zones you are passing
the air to so therefore off-coil temperatures cannot be directly controlled
from the zone unless you replicate a dummy building that mimics your actual
model's latent loads etc.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>4) Further to #3 the OA-FROM-SYSTEM cannot see the zone
heating demands thus space heating must be local by baseboards or by a
4-pipe IU/FCU.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>5) Given above I have tended to se up my
OA-FROM-SYSTEM as a SZRH system with the cooling coil off-coil controlling to
an outdoor air reset schedule to dehumidify and the zone heating coils
reheating to maintain a minimum zone supply temperature (nominally 15C).
In <st1:country-region w:st="on"><st1:place w:st="on">Australia</st1:place></st1:country-region>
we use this configuration as we have warm to hot and humid climates with a
small heating load in comparison to most North American climates. In
winter the central heating coil (zone coil in this case on a SZRH) would
heat to satisfy zone of greatest heating demand and other zones would
recool. Reheat and recool sounds inefficient but when the heating is done
with CW heat recovery and periods of simultaneous heating and cooling are in
cooler months when plant effcieincy is at a maximum, the whole system is
actually quite efficient.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>6) I then iterate on the outdoor air reset schedule and
observe humidity levels in key zones to satisfy myself that I am getting space
dewpoint control.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>7) Ultimately with a chilled beam system that is most
sensitive to space dewpoint control this is still only a good approximation
that is time consuming to ensure it is right.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>I mentioned last week that the EQuest/2.2 team could fix
this up (IU system with no OA-FROM-SYSTEM, dewpoint contrl and central heaing /
reheat) if the $ could be found - keep in mind we enjoy freeware.
Speaking with <st1:PersonName w:st="on">Jeff Hirsch</st1:PersonName> over the
years we aren't talking a lot of money but it is too much for me to
justify paying 100%. Anyone feeling generous or like me, frustrated at
the time consuming work arounds, please contat Jeff and/or myself as this
enhancement would extend the application of EQuest/2.2 dramatically (from my
point of view).</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>Regards,</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>Graham Carter</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>----- Original Message ----- <o:p></o:p></span></font></p>
<p class=MsoNormal style='background:#E4E4E4'><b><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial;font-weight:bold'>From:</span></font></b><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> <a
href="mailto:perickson@xxxxxxxxxx" title="perickson@xxxxxxxxxx">Paul Erickson</a>
<o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>To:</span></font></b><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> <a
href="mailto:BLDG-SIM@xxxxxxxx" title="BLDG-SIM@xxxxxxxx">BLDG-SIM@xxxxxxxx</a>
<o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Cc:</span></font></b><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> <a
href="mailto:Eric.Yang@xxxxxxxxxxxxxx" title="Eric.Yang@xxxxxxxxxxxxxx">Eric.Yang@xxxxxxxxxxxxxx</a>
<o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Sent:</span></font></b><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> Wednesday,
September 13, 2006 12:23 AM<o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Subject:</span></font></b><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> [BLDG-SIM] Active
Chilled Beam Model<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><O:SMARTTAGTYPE namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="PostalCode" downloadurl="http://www.5iamas-microsoft-com:office:smarttags"></O:SMARTTAGTYPE><O:SMARTTAGTYPE namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="State" downloadurl="http://www.5iamas-microsoft-com:office:smarttags"></O:SMARTTAGTYPE><O:SMARTTAGTYPE namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="City" downloadurl="http://www.5iamas-microsoft-com:office:smarttags"></O:SMARTTAGTYPE><O:SMARTTAGTYPE namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="place" downloadurl="http://www.5iantlavalamp.com/"></O:SMARTTAGTYPE><O:SMARTTAGTYPE namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="Street" downloadurl="http://www.5iantlavalampft-com:office:smarttags"></O:SMARTTAGTYPE><O:SMARTTAGTYPE namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="address" downloadurl="http://www.5iamas-microsoft-com:office:smarttags"></O:SMARTTAGTYPE>Eric,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>As Peter stated, an induction unit can have a dedicated system
supply source (for Trace it is OA; for eQUEST/DOE-2 you specify
source...OA or rom a chosen AHU). The same is true with the fan coil
unit. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>For DOE-2.2/eQUEST specifically, there are a few of snags that one
runs into. One, the induction ratio doesn't really matter...play around
and you'll see. Two, DOE-2 doesn't seem to account for the fan energy
used to pull off the CFM that goes to the beams...I'd love for someone to prove
I'm wrong. Three, I've had difficulties with loop temperatures and delta
T for the loops...i.e. DOE-2 didn't seem to like the higher water temps going
to the IU/FCU. I'd like to hear feedback if someone else got around this.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Trace had some similar drawbacks...I'll work on recalling them.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Paul<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><br>
>>> "Peter Simmonds" <peter.simmonds@xxxxxxxxx>
9/12/2006 8:48 am >>><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>Peter Simmonds Ph.D.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>Associate</span></font><br>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
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<p class=MsoNormal style='margin-bottom:12.0pt'><b><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Peter
Simmonds <br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, September 11, 2006
3:47 PM<br>
<b><span style='font-weight:bold'>To:</span></b> 'Eric Yang'<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [BLDG-SIM] Active
Chilled Beam Model</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=red face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:red'>OK so you are talking about an active beam
and not a static beam, right. Then you need an outside air supply to be
incorprated into the conditioning system, so I guess the induction unit will
suffice, just check the minmum turndown ratio and check the induction rate to
match the profile of the active beam.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>Peter Simmonds Ph.D.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face=Arial><span style='font-size:12.0pt;
font-family:Arial'>Associate</span></font><br>
<font size=1 color=gray face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:gray'>IBE Consulting Engineers</span></font><o:p></o:p></p>
<p class=MsoNormal><st1:Street w:st="on"><st1:address w:st="on"><font size=1
color=gray face=Arial><span style='font-size:7.5pt;font-family:Arial;
color:gray'>14130 Riverside Drive Suite 201</span></font></st1:address></st1:Street><o:p></o:p></p>
<p class=MsoNormal><st1:City w:st="on"><st1:place w:st="on"><font size=1
color=gray face=Arial><span style='font-size:7.5pt;font-family:Arial;
color:gray'>Sherman</span></font></st1:place></st1:City><font size=1
color=gray face=Arial><span style='font-size:7.5pt;font-family:Arial;
color:gray'> Oaks, CA 91423<br>
p: (818) 377-8220<br>
f: (818) 377-8230<br>
m: (818) 219-1284<br>
<a href="blocked::http://www.ibece.com/" title="http://www.ibece.com/"><font
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div class=MsoNormal align=center style='text-align:center'><font size=3
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<p class=MsoNormal style='margin-bottom:12.0pt'><b><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Eric Yang
[mailto:Eric.Yang@xxxxxxxxxxxxxx] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, September 11, 2006
3:40 PM<br>
<b><span style='font-weight:bold'>To:</span></b> Peter Simmonds<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [BLDG-SIM] Active
Chilled Beam Model</span></font><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Thanks for your inputs. How about the air which is induced
into the beams? For example, I supply only 105 CFM per beam, but I
will have around 300 CFM total supply air. <O:P></O:P></span></font><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><O:P> </O:P></span></font><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Eric</span></font><o:p></o:p></p>
<O:P></O:P>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><O:P> </O:P></span></font><o:p></o:p></p>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabIndex=-1>
</span></font></div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;font-weight:
bold'>From:</span></font></b><font size=2 face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma'> Peter Simmonds [mailto:peter.simmonds@xxxxxxxxx] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, September 11, 2006
6:36 PM<br>
<b><span style='font-weight:bold'>To:</span></b> Eric Yang; BLDG-SIM@xxxxxxxx<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [BLDG-SIM] Active
Chilled Beam Model</span></font><O:P></O:P><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'><O:P> </O:P><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=2 color=red face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:red'>Very simple. Model the chilled beam as a fan coil for cooling only
and remove the associated fan power.</span></font><O:P></O:P><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'> <O:P></O:P><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>Peter
Simmonds Ph.D.</span></font><O:P></O:P><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face=Arial><span style='font-size:12.0pt;font-family:Arial'>Associate</span></font><br>
<font size=1 color=gray face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:gray'>IBE Consulting Engineers</span></font><O:P></O:P><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><ST1:STREET style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x" tabIndex="0" u1:st="on"><ST1:ADDRESS style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x" tabIndex="0" u1:st="on"><st1:Street
w:st="on"><st1:address w:st="on"><font size=1 color=gray face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:gray'>14130 Riverside Drive
Suite 201</span></font></st1:address></st1:Street></ST1:ADDRESS></ST1:STREET><O:P></O:P><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><ST1:CITY style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x" tabIndex="0" u1:st="on"><ST1:PLACE style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x" tabIndex="0" u1:st="on"><st1:City
w:st="on"><st1:place w:st="on"><font size=1 color=gray face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:gray'>Sherman</span></font></st1:place></st1:City></ST1:PLACE></ST1:CITY><font
size=1 color=gray face=Arial><span style='font-size:7.5pt;font-family:Arial;
color:gray'> Oaks, CA 91423<br>
p: (818) 377-8220<br>
f: (818) 377-8230<br>
m: (818) 219-1284<br>
<a href="blocked::http://www.ibece.com/" title="http://www.ibece.com/"><font
color=gray face="Arial Black" title="http://www.ibece.com/"><span
style='font-family:"Arial Black";color:gray'>IDEAS FOR THE BUILT ENVIRONMENT</span></font></a><br>
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<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'> <O:P></O:P><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'><O:P> </O:P><o:p></o:p></span></font></p>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabIndex=-1>
</span></font></div>
<p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><b><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;font-weight:
bold'>From:</span></font></b><font size=2 face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma'> BLDG-SIM@xxxxxxxx [mailto:BLDG-SIM@xxxxxxxx] <b><span
style='font-weight:bold'>On Behalf Of </span></b>Eric Yang<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, September 11, 2006
2:34 PM<br>
<b><span style='font-weight:bold'>To:</span></b> BLDG-SIM@xxxxxxxx<br>
<b><span style='font-weight:bold'>Subject:</span></b> [BLDG-SIM] Active Chilled
Beam Model</span></font><O:P></O:P><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Greetings<O:P></O:P></span></font><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><O:P> </O:P></span></font><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>I am seeking
for any suggestions or input on the model of active chilled beam system.
In my previous Trace model, it can not handle it very well by
induction system. I am very curious to get inputs and helps from other
folks. Thanks in advance.<O:P></O:P></span></font><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><O:P> </O:P></span></font><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><O:P> </O:P></span></font><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Eric <O:P></O:P></span></font><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><O:P> </O:P></span></font><o:p></o:p></p>
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size=2 color=navy face="Arial Narrow"><span style='font-size:10.0pt;font-family:
"Arial Narrow";color:navy;font-weight:bold'>Eric Yang<O:P></O:P></span></font></b><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=2 color=navy face="Arial Narrow"><span style='font-size:10.0pt;font-family:
"Arial Narrow";color:navy;font-weight:bold'>Mechanical Engineer, LEED.A.P.<O:P></O:P></span></font></b><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><font
size=3 color=navy face="Arial Narrow"><span style='font-size:12.0pt;font-family:
"Arial Narrow";color:navy;font-weight:bold'>SmithGroup<O:P></O:P></span></font></b><o:p></o:p></p>
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size=2 color="#333399" face="Arial Narrow"><span style='font-size:10.0pt;
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<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><ST1:STREET style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x" tabIndex="0" u1:st="on"><ST1:ADDRESS style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x" tabIndex="0" u1:st="on"><st1:Street
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size=2 color="#333399" face="Arial Narrow"><span style='font-size:10.0pt;
font-family:"Arial Narrow";color:#333399'>t 202.974.4555 (direct)<O:P></O:P></span></font><o:p></o:p></p>
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size=2 color="#333399" face="Arial Narrow"><span style='font-size:10.0pt;
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font-family:"Arial Narrow";color:#333399'>eric.yang@xxxxxxxxxxxxxx <O:P></O:P></span></font><o:p></o:p></p>
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