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<DIV dir=ltr align=left><SPAN class=515174114-07062010><FONT color=#0000ff
size=2 face=Arial>Kevin et al:</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=515174114-07062010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=515174114-07062010><FONT color=#0000ff
size=2 face=Arial>Not sure if this is what you are looking for, but at any rate
it is a very good resource to share...</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=515174114-07062010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=515174114-07062010><FONT color=#0000ff
size=2 face=Arial>The folks at ORNL have developed a pretty cool 'calculator'
which determines complex wall R-values using the 'Modified Zone" method
described in the 2009 ASHRAE Handbook of Fundamentals: Chapter 27.
It's very easy to use, and generates 'clear wall' R-Values for a user
defined 'sandwich'. It also provides a good visual as to how "clear wall"
and vs. "whole wall" R-values differ (for a particular 'hard coded WWR and user
defined fabric description).</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=515174114-07062010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV><SPAN class=515174114-07062010></SPAN><FONT face=Arial><FONT
color=#0000ff><FONT size=2>T<SPAN class=515174114-07062010>he calculator
provides results for a limited set of various 'common' configurations, and
provides a good 'QA/QC" process if you choose to build your own (spreadsheet
based?) tool to expand it's capabilities </SPAN></FONT></FONT></FONT><BR></DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2 face=Arial>Here's the
link:</FONT></SPAN></DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2
face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2 face=Arial><A
href="http://www.ornl.gov/sci/roofs+walls/AWT/InteractiveCalculators/NS/Calc.htm">http://www.ornl.gov/sci/roofs+walls/AWT/InteractiveCalculators/NS/Calc.htm</A></FONT> </SPAN></DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2
face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2 face=Arial>There's also a
'tease' on this page <A
href="http://www.ornl.gov/sci/roofs+walls/AWT/InteractiveCalculators/rvalueinfo.htm">http://www.ornl.gov/sci/roofs+walls/AWT/InteractiveCalculators/rvalueinfo.htm</A></FONT></SPAN></DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2 face=Arial>suggesting the
folks at ORNL have plans "in the works" to assist analysts with developing
fabric descriptions:</FONT></SPAN></DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2
face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><STRONG>New Features Include: Generation of Input
Files for Whole Building Energy Simulation Programs (in development)
</STRONG></SPAN></DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2
face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2 face=Arial>Have
fun!</FONT></SPAN></DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2
face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2
face=Arial>_Chris</FONT> </SPAN></DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2
face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2 face=Arial>Chris Balbach,
PE, CEM, BEMP, CMVP</FONT></SPAN></DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2 face=Arial>Vice President of
Research and Development</FONT></SPAN></DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2 face=Arial>Performance
Systems Development of NY, LLC</FONT></SPAN></DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2 face=Arial>124 Brindley
Street, Suite 4, Ithaca, NY 14850</FONT></SPAN></DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2 face=Arial><A
href="http://www.psdconsulting.com">http://www.psdconsulting.com</A></FONT></SPAN></DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2 face=Arial>ph:
(607)-327-1647</FONT></SPAN></DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><SPAN
class=515174114-07062010><FONT color=#0000ff size=2
face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left>
<HR tabIndex=-1>
</DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><FONT size=2
face=Tahoma><B>From:</B> bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <B>On Behalf Of </B>Bishop,
Bill<BR><B>Sent:</B> Monday, June 07, 2010 8:51 AM<BR><B>To:</B> Kevin Kyte;
bldg-sim@lists.onebuilding.org<BR><B>Subject:</B> Re: [Bldg-sim] effective
R-value cavity insulation<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">Kevin,<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">One reference for
calculating U-Factors for wood-framed, metal-framed and masonry walls is the
2009 ASHRAE Handbook – Fundamentals, Chapter 27. There is a section on
“Two-dimensional U-factor calculation”, which describes the parallel-path,
isothermal-planes, zone and modified zone methods of calculating overall heat
transfer rates through wall assemblies. Earlier versions of Fundamentals (2005,
2001 etc.) will also have some background
information.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">Regards,<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">Bill<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<P class=MsoNormal><B style="mso-bidi-font-weight: normal"><FONT color=black
size=2 face="Franklin Gothic Medium Cond"><SPAN
style="FONT-FAMILY: 'Franklin Gothic Medium Cond'; COLOR: black; FONT-SIZE: 10pt; FONT-WEIGHT: bold; mso-bidi-font-weight: normal; mso-no-proof: yes">William
Bishop, EIT, BEMP, LEED<SUP>®</SUP> AP </SPAN></FONT></B><B
style="mso-bidi-font-weight: normal"><FONT color=#006600 size=2
face="Franklin Gothic Medium Cond"><SPAN
style="FONT-FAMILY: 'Franklin Gothic Medium Cond'; COLOR: #006600; FONT-SIZE: 10pt; FONT-WEIGHT: bold; mso-bidi-font-weight: normal; mso-no-proof: yes">|</SPAN></FONT></B><B
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face="Franklin Gothic Medium Cond"><SPAN
style="FONT-FAMILY: 'Franklin Gothic Medium Cond'; COLOR: black; FONT-SIZE: 10pt; FONT-WEIGHT: bold; mso-bidi-font-weight: normal; mso-no-proof: yes">
</SPAN></FONT></B><B style="mso-bidi-font-weight: normal"><FONT color=black
size=2 face="Franklin Gothic Medium Cond"><SPAN
style="FONT-FAMILY: 'Franklin Gothic Medium Cond'; COLOR: black; FONT-SIZE: 10pt; FONT-WEIGHT: bold; mso-bidi-font-size: 12.0pt; mso-bidi-font-weight: normal; mso-no-proof: yes">Pathfinder
Engineers & Architects LLP</SPAN></FONT></B><B><FONT color=black size=2
face="Franklin Gothic Medium Cond"><SPAN
style="FONT-FAMILY: 'Franklin Gothic Medium Cond'; COLOR: black; FONT-SIZE: 10pt; FONT-WEIGHT: bold; mso-no-proof: yes"><o:p></o:p></SPAN></FONT></B></P>
<P class=MsoNormal><FONT color=black size=1 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: black; FONT-SIZE: 9pt; mso-no-proof: yes">Mechanical
Engineer<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=black size=1 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: black; FONT-SIZE: 5pt; mso-no-proof: yes"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><st1:address
style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom"
tabIndex=0 w:st="on"><st1:Street w:st="on"><FONT color=navy size=1
face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 9pt; mso-no-proof: yes">134
South Fitzhugh Street</SPAN></FONT></st1:Street><FONT color=navy size=1><SPAN
style="COLOR: navy; FONT-SIZE: 9pt; mso-no-proof: yes"><BR></SPAN></FONT><st1:City
w:st="on"><FONT color=navy size=1 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 9pt; mso-no-proof: yes">Rochester</SPAN></FONT></st1:City><FONT
color=navy size=1 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 9pt; mso-no-proof: yes">,
<st1:State w:st="on">NY</st1:State> <st1:PostalCode
w:st="on">14608</st1:PostalCode></SPAN></FONT></st1:address><FONT color=navy
size=1><SPAN
style="COLOR: navy; FONT-SIZE: 9pt; mso-no-proof: yes"><BR></SPAN></FONT><FONT
color=navy size=1 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 9pt; mso-no-proof: yes">T:
(585) 325-6004 </SPAN></FONT><FONT color=black size=1 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: black; FONT-SIZE: 9pt; mso-no-proof: yes">Ext.
114</SPAN></FONT><FONT color=navy size=1><SPAN
style="COLOR: navy; FONT-SIZE: 9pt; mso-no-proof: yes"><BR></SPAN></FONT><FONT
color=navy size=1 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 9pt; mso-no-proof: yes">F:
(585) 325-6005</SPAN></FONT><FONT color=black size=1 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: black; FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=black size=1 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: black; FONT-SIZE: 9pt; mso-no-proof: yes">wbishop@pathfinder-ea.com<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=black size=1 face=Arial><SPAN
style="FONT-FAMILY: Arial; COLOR: black; FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes">www.pathfinder-ea.com</SPAN></FONT><FONT
color=navy><SPAN
style="COLOR: navy; mso-no-proof: yes"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=green size=5 face=Webdings><SPAN
style="FONT-FAMILY: Webdings; COLOR: green; FONT-SIZE: 18pt; mso-bidi-font-family: Webdings; mso-no-proof: yes">P</SPAN></FONT><FONT
color=green><SPAN style="COLOR: green; mso-no-proof: yes"> </SPAN></FONT><FONT
color=green size=1><SPAN
style="COLOR: green; FONT-SIZE: 7.5pt; mso-no-proof: yes">Sustainability – less
is more.</SPAN></FONT><FONT color=green><SPAN
style="COLOR: green"><o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<DIV style="TEXT-ALIGN: center" class=MsoNormal align=center><FONT size=3
face="Times New Roman"><SPAN style="FONT-SIZE: 12pt">
<HR tabIndex=-1 align=center SIZE=2 width="100%">
</SPAN></FONT></DIV>
<P class=MsoNormal><B><FONT size=2 face=Tahoma><SPAN
style="FONT-FAMILY: Tahoma; FONT-SIZE: 10pt; FONT-WEIGHT: bold">From:</SPAN></FONT></B><FONT
size=2 face=Tahoma><SPAN style="FONT-FAMILY: Tahoma; FONT-SIZE: 10pt">
bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <B><SPAN
style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Kevin Kyte<BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Saturday, June 05, 2010 12:13
PM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B>
bldg-sim@lists.onebuilding.org<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> [Bldg-sim] effective R-value
cavity insulation</SPAN></FONT><o:p></o:p></P></DIV>
<P class=MsoNormal><FONT size=3 face="Times New Roman"><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt">I am curious what the relationship
is between cavity depth, rated insulation, and effective insulation in framed
walls. I am referencing the ASHRAE 90.1 doc because it is really the only
one I have on this subject. I have charted Table A9.2B and a logarithmic
trendline appears to be a good fit for extrapolating. If anyone in
academia, industry, or the societies has more information on this subject I
would certainly be grateful to receive a good lead. Thank
you.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoAutoSig><FONT size=3 face="Times New Roman"><SPAN
style="FONT-SIZE: 12pt">Kevin Kyte, </SPAN></FONT><FONT size=2><SPAN
style="FONT-SIZE: 10pt">LEED</SPAN></FONT><SUP><FONT size=2 face=Arial><SPAN
style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"> </SPAN></FONT></SUP><SUP><FONT
size=2><SPAN style="FONT-SIZE: 10pt">®</SPAN></FONT></SUP><FONT size=2><SPAN
style="FONT-SIZE: 10pt"> AP<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><st1:place w:st="on"><B><FONT size=3
face="Times New Roman"><SPAN
style="FONT-SIZE: 12pt; FONT-WEIGHT: bold">Watts</SPAN></FONT></B></st1:place><B><SPAN
style="FONT-WEIGHT: bold"> Architecture & Engineering,
P.C.<o:p></o:p></SPAN></B></P>
<P class=MsoNormal><st1:Street w:st="on"><st1:address w:st="on"><FONT size=2
face=Shruti><SPAN style="FONT-FAMILY: Shruti; FONT-SIZE: 10.5pt">95 Perry
Street, Suite 300</SPAN></FONT></st1:address></st1:Street><FONT size=2
face=Shruti><SPAN
style="FONT-FAMILY: Shruti; FONT-SIZE: 10.5pt"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><st1:place w:st="on"><st1:City w:st="on"><FONT size=2
face=Shruti><SPAN
style="FONT-FAMILY: Shruti; FONT-SIZE: 10.5pt">Buffalo</SPAN></FONT></st1:City><FONT
size=2 face=Shruti><SPAN style="FONT-FAMILY: Shruti; FONT-SIZE: 10.5pt">,
<st1:State w:st="on">NY</st1:State> <st1:PostalCode
w:st="on">14203</st1:PostalCode></SPAN></FONT></st1:place><FONT size=2
face=Shruti><SPAN
style="FONT-FAMILY: Shruti; FONT-SIZE: 10.5pt"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Shruti><SPAN
style="FONT-FAMILY: Shruti; FONT-SIZE: 10.5pt">p:
716.206.5174<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face=Shruti><SPAN
style="FONT-FAMILY: Shruti; FONT-SIZE: 10.5pt">f.:
716.206.5199<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face="Times New Roman"><SPAN
style="FONT-SIZE: 11pt">e: <A
href="mailto:kkyte@watts-ae.com">kkyte@watts-ae.com</A><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face="Times New Roman"><SPAN
style="FONT-SIZE: 11pt"><A
href="http://www.watts-ae.com/">http://www.watts-ae.com</A><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=2 face="Times New Roman"><SPAN
style="FONT-SIZE: 11pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=3 face="Times New Roman"><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT size=3 face="Times New Roman"><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P></DIV></BODY></HTML>