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<p class=MsoNormal style='margin-bottom:6.0pt'><font size=2 face=Calibri><span
style='font-size:11.0pt'>Arash,<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-bottom:6.0pt'><font size=2 face=Calibri><span
style='font-size:11.0pt'>I’ve used the following approaches to model overheat
gas radiant heating systems.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>Since
doe-2 does not have models for heating that is predominantly radiant in nature;
the assumption I use for the heating models are that the predominant gain
mechanism is convection.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>I assume
the system is well modeled by using a heating coil in the space, such as a
baseboard system (which has no flow).<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>If
the heater is constant output when on then you could use a reset controlled
baseboard with a flat output relation.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>If
they are space temperature controlled then you use thermostat control. Both
would be good models.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>If
control is variable based on people sense of comfort then you need a
relationship between space temperature and comfort and then alter the
thermostat schedule to match that relation.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:10.0pt'>Dennis<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Calibri><span style='font-size:
10.0pt;color:navy'>___________<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Calibri><span
style='font-size:11.0pt;color:black'>Dennis Hunt<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Calibri><span
style='font-size:11.0pt;color:black'>Mechanical Engineer<o:p></o:p></span></font></p>
<p class=MsoNormal><st1:place w:st="on"><st1:PlaceName w:st="on"><b><font
size=2 color=black face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:black;font-weight:bold'>Summit</span></font></b></st1:PlaceName><b><font
size=2 color=black face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:black;font-weight:bold'> <st1:PlaceType w:st="on">Building</st1:PlaceType></span></font></b></st1:place><b><font
size=2 color=black face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:black;font-weight:bold'> Engineering</span></font></b><font size=3
color=black face="Times New Roman"><span style='font-size:12.0pt;font-family:
"Times New Roman";color:black'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Calibri><span
style='font-size:11.0pt;color:black'>503-246-5241</span></font><font size=3
color=black face="Times New Roman"><span style='font-size:12.0pt;font-family:
"Times New Roman";color:black'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Calibri><span
style='font-size:11.0pt;color:black'>dhunt@summitbe.com</span></font><font
size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;
font-family:"Times New Roman";color:black'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Calibri><span
style='font-size:11.0pt;color:black'>http://www.summitbe.com</span></font><font
size=3 color=black face="Times New Roman"><span style='font-size:12.0pt;
font-family:"Times New Roman";color:black'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Calibri><span style='font-size:
10.0pt;color:navy'><img width=52 height=45 id="_x0000_i1029"
src="cid:image003.jpg@01CD3A65.F6801730"><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Calibri><span style='font-size:
10.0pt;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'><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;font-family:"Times New Roman"'>
<hr size=3 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal><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'>
equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Nick Caton<br>
<b><span style='font-weight:bold'>Sent:</span></b> Friday, May 25, 2012 8:30 AM<br>
<b><span style='font-weight:bold'>To:</span></b> Pasgar, Arash;
equest-users@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [Equest-users] Gas
INFRA-RED Radiant</span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>Hi
Arash,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>There
are a couple right answers. Here’s an approach I’ve used:<o:p></o:p></span></font></p>
<p class=msolistparagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><font
size=2 face=Symbol><span style='font-size:11.0pt;font-family:Symbol'><span
style='mso-list:Ignore'>·<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]>System type UHT<o:p></o:p></p>
<p class=msolistparagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><font
size=2 color="#1f497d" face=Symbol><span style='font-size:11.0pt;font-family:
Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<font size=1
face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]><font color="#1f497d"><span
style='color:#1F497D'>Zero out fan energy (0.00 kW/CFM), if there are no space
circulation fans tied to your IR heater operation<o:p></o:p></span></font></p>
<p class=msolistparagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><font
size=2 color="#1f497d" face=Symbol><span style='font-size:11.0pt;font-family:
Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<font size=1
face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]><font color="#1f497d"><span
style='color:#1F497D'>eQuest doesn’t simulate the skin-heating comfort
effects of radiant heat. If you run into unmet heating hours, you can
justifiably lower associated thermotat setpoints to account for this.<o:p></o:p></span></font></p>
<p class=msolistparagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><font
size=2 color="#1f497d" face=Symbol><span style='font-size:11.0pt;font-family:
Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<font size=1
face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]><font color="#1f497d"><span
style='color:#1F497D'>DOE2 help files advise adjusting your HIR to 1.05 if
products of combustion are not being vented out of the space (industrial
applications). <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'>~Nick<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'><img width=119 height=37
id="_x0000_i1026" src="cid:image001.jpg@01CD3A65.AF732800"
alt="cid:489575314@22072009-0ABB"></span></font><b><font color="#2d4d5e"
face="Stylus BT"><span style='font-family:"Stylus BT";color:#2D4D5E;font-weight:
bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal><b><font size=2 color="#2d4d5e" face="Stylus BT"><span
style='font-size:11.0pt;font-family:"Stylus BT";color:#2D4D5E;font-weight:bold'><o:p> </o:p></span></font></b></p>
<p class=MsoNormal><b><font size=3 color="#2d4d5e" face="Stylus BT"><span
style='font-size:12.0pt;font-family:"Stylus BT";color:#2D4D5E;font-weight:bold'>NICK
CATON, P.E.<o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=1 color="#cc9900" face=Calibri><span
style='font-size:7.5pt;color:#CC9900'>SENIOR ENGINEER<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color="#cc9900" face=Calibri><span
style='font-size:7.5pt;color:#CC9900'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#2d4d5e" face=Calibri><span
style='font-size:10.0pt;color:#2D4D5E'>Smith & Boucher Engineers</span></font><font
size=1 color="#cc9900" face="Times New Roman"><span style='font-size:7.5pt;
font-family:"Times New Roman";color:#CC9900'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#2d4d5e" face=Calibri><span
style='font-size:10.0pt;color:#2D4D5E'>25501 west valley parkway, <st1:address
w:st="on"><st1:Street w:st="on">suite</st1:Street> 200</st1:address><o:p></o:p></span></font></p>
<p class=MsoNormal><st1:City w:st="on"><st1:place w:st="on"><font size=2
color="#2d4d5e" face=Calibri><span style='font-size:10.0pt;color:#2D4D5E'>olathe</span></font></st1:place></st1:City><font
size=2 color="#2d4d5e"><span style='font-size:10.0pt;color:#2D4D5E'>, ks 66061<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#2d4d5e" face=Calibri><span
style='font-size:10.0pt;color:#2D4D5E'>direct 913.344.0036<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#2d4d5e" face=Calibri><span
style='font-size:10.0pt;color:#2D4D5E'>fax 913.345.0617<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'><a href="www.smithboucher.com"
title="blocked::www.smithboucher.com"><font size=2><span style='font-size:10.0pt'>www.smithboucher.com</span></font></a></span></font><u><font
size=2 color=blue><span style='font-size:10.0pt;color:blue'> </span></font></u><font
color="#1f497d"><span style='color:#1F497D'><o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'><o:p> </o:p></span></font></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><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'> equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Pasgar, Arash<br>
<b><span style='font-weight:bold'>Sent:</span></b> Friday, May 25, 2012 10:09
AM<br>
<b><span style='font-weight:bold'>To:</span></b>
equest-users@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [Equest-users] Gas
INFRA-RED Radiant<o:p></o:p></span></font></p>
</div>
</div>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>Hi
all,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>First
of all sorry about the previous message.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>I
have a storage using gas infra-red radiant heaters. Is there accurate way to
model this.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>Thank
you in advance for your help.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><b><font size=3 color="#404040" face=Verdana><span
style='font-size:12.0pt;font-family:Verdana;color:#404040;font-weight:bold'>Arash
Pasgar<br>
</span></font></b><font size=2 color="#404040" face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:#404040'>Mechanical Designer</span></font><font
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