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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>What this also brings out is the issue of adapting/updating the standards
and the back-end data to local/regional conditions. Is there any effort going
on in India or other parts of the world that consider the local technology options
and the comfort preferences while adopting the ASHRAE standards? This to me
seems to be an important part of going towards low-energy buildings equation.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Thanks<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>-Rohini<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<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'> bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Vishnuraj
Nair<br>
<b>Sent:</b> Friday, June 26, 2009 5:29 AM<br>
<b>To:</b> 'Cramer Silkworth'; bldg-sim@lists.onebuilding.org;
leonard_sciarra@gensler.com; peter.simmonds@ibece.net<br>
<b>Cc:</b> sanjay@kalpakrit.com<br>
<b>Subject:</b> Re: [Bldg-sim] Any clues? -- Ceiling Fans in South East Asia<o:p></o:p></span></p>
</div>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Thanks Cramer, Leonard, Peter and all for your valuable time.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>I am replying on behalf of Neeraj.He will follow it up once he is
back in town.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>ASHARE 55 does give a bit of information about the thermal comfort
in section 5.2.3.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>However the section says that the elevated speed can be used to
offset the temperature by not more than 3<sup>0</sup> C (5.4<sup>0</sup> F).<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>The air speed considered here is however in the range of 0.8 m/s to
1m/s. However the ceiling fans designed in here in India<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>gives an air speed of about 2m/s for which the temperature that
could be offset can be more.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>No specific relation as such is given as to determine the
temperature that can be offset for higher air speeds.I have referred the <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Thermal Comfort chapter of the ASHRAE Fundamentals handbook,however
no particular specifics is given as to relation between the<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Air speed felt on the skin and the temperature that can be offset
due to it. Definitely the personal comfort level also varies with person to
person.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>If anyone knows about any other standard or reference manual giving
information on this matter or can throw more light on this it<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>will be greatly appreciated.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Meanwhile I have written to Mr. Dick Ainsley of Big Ass Fans as
suggested by Peter. If he replies I will let you all know his response.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Thanks a lot again.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Regards.<o:p></o:p></span></p>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'>Vishnuraj Nair</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Kalpakrit
Sustainable Environments Pvt. Ltd. </span><span style='font-size:10.0pt;
font-family:"Garamond","serif"'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:windowtext'><ns0:place
w:insAuthor="Samir Sharma" w:insDate="2009-06-26T14:09:00Z"
w:endInsAuthor="Samir Sharma" w:endInsDate="2009-06-26T14:09:00Z"><ns0:City
w:insAuthor="Samir Sharma" w:insDate="2009-06-26T14:09:00Z"
w:endInsAuthor="Samir Sharma" w:endInsDate="2009-06-26T14:09:00Z"><span
style='font-family:"Arial","sans-serif";color:black'>New Delhi</span><span
class=msoIns><ins cite="mailto:Samir%20Sharma" datetime="2009-06-26T14:09"></ns0:City></ins></span></ns0:place></span><span
style='font-size:10.0pt;font-family:"Garamond","serif"'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Tel:
+91.124.4309490-92 Ext: 312 , Fax: +91.124.4309493<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>E-mail
: </span><a href="mailto:vishnu@kalpakrit.com"><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'>vishnu@kalpakrit.com</span></a><span
style='font-size:10.0pt'><o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:8.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:13.5pt;font-family:Webdings;
color:#008040'>ü</span><span style='font-size:8.0pt'> </span><span lang=EN-GB
style='font-size:10.0pt;font-family:"Arial Narrow","sans-serif";color:#008040'>Please
consider the environment before printing this email.</span><span
style='font-size:8.0pt'><o:p></o:p></span></p>
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<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'> Cramer Silkworth
[mailto:silkworth@transsolar.com] <br>
<b>Sent:</b> Thursday, June 25, 2009 7:26 PM<br>
<b>To:</b> bldg-sim@lists.onebuilding.org; near_ej@yahoo.com<br>
<b>Cc:</b> sanjay@kalpakrit.com; vishnu@kalpakrit.com<br>
<b>Subject:</b> RE: [Bldg-sim] Any clues? -- Ceiling Fans in South East Asia</span><span
style='color:windowtext'><o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Neeraj,</span> <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:blue'>Look into ASHRAE Standard 55, and also the ASHRAE Fundamentals
Handbook. P. Ole Fanger's work is, well, the Standard. And I think Standard 55
is being updated soon, to better account for air motion effects. I think I saw
something about this in the last issue of the ASHRAE Journal.</span> <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:blue'><a href="http://www.ashrae.org/">http://www.ashrae.org/</a></span> <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:blue'>-Cramer</span> <o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>J.
Cramer Silkworth</span> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>Transsolar
Inc.</span> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>Technical
consulting for energy efficiency and user comfort in buildings. Stuttgart -
Munich - New York</span> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>134
Spring Street Suite 601</span> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>New
York, NY 10012</span> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>212-219-2255</span>
<o:p></o:p></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'><a
href="mailto:silkworth@transsolar.com">silkworth@transsolar.com</a></span> <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<div class=MsoNormal align=center style='text-align:center'>
<hr size=2 width="100%" align=center>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt'> <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"'> \
[mailto:near_ej@yahoo.com] <br>
<b>Sent:</b> Thursday, June 25, 2009 6:14 AM<br>
<b>To:</b> bldg-sim@lists.onebuilding.org<br>
<b>Cc:</b> vishnu@kalpakrit.com; sanjay@kalpakrit.com<br>
<b>Subject:</b> [Bldg-sim] Any clues? -- Ceiling Fans in South East Asia</span><o:p></o:p></p>
<p style='margin-bottom:12.0pt'><span style='font-family:"Arial","sans-serif"'>Dear
all,<br>
<br>
Is there a (well documented) relationship between convective air flow against
the skin versus the thermal comfort expectation lowered (theoretical deg. F
raised for zone thermostat set-point)?<br>
<br>
I am trying to ascertain the cooling benefit of low power high-speed ceiling
fans that are prevalent in South-East Asia. They are especially useful in
better air distribution and heat transfer from the skin of the occupants via
convection. For modeling the strategy is going to be two fold -- [1] model the
actual (low) fan power for the fans in each space considered, and [2] model a
different (higher) thermostat set-point expectation since thermal comfort
cannot be modeled in eQuest. Does this seem okay? -- Looking for peer
validation.<br>
<br>
Thanks in advance.<br>
<br>
regards,<br>
Neeraj<br>
</span><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><br>
Neeraj Kapoor<br>
t: +91.99581.70018<br>
Kalpakrit Sustainable Environments Pvt. Ltd.<br>
New Delhi, India<br>
<br>
<br>
</span><o:p></o:p></p>
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