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<p>I saw today the same technology also promoted on the CIBSE
Bulletin Board even with a video "explaining" how it works (the
plastic bottles supposedly "compresses and cools the air")<br>
</p>
<p>(
<a class="moz-txt-link-freetext" href="https://www.linkedin.com/groups/75555/75555-6160367729091100672?midToken=AQF3zdCi1vKWLA&trk=eml-b2_anet_digest_of_digests-hero-8-view%7Ediscussion&trkEmail=eml-b2_anet_digest_of_digests-hero-8-view%7Ediscussion-null-bc6m0%7Eiqtrhngl%7Eh3">https://www.linkedin.com/groups/75555/75555-6160367729091100672?midToken=AQF3zdCi1vKWLA&trk=eml-b2_anet_digest_of_digests-hero-8-view%7Ediscussion&trkEmail=eml-b2_anet_digest_of_digests-hero-8-view%7Ediscussion-null-bc6m0%7Eiqtrhngl%7Eh3</a>
)</p>
<p>To me, this seems more like wishful thinking. My comment posted
on the CIBSE Bulletin Board was:</p>
<p> <span class="text">I don't understand how this would work from
a thermodynamic point of view. There has to be some air velocity
to begin with, in which case I can see how the bottles might
channel the air flow resulting in higher air velocities coming
out of the bottle openings, but wouldn't the total amount of air
flow be the same, or less than through the window opening with
no obstruction? Also, someone explain to me how compressing the
air will cool it?? I've always thought that compressing the air
would heat it up, although in this case the effect would be
extremely minimal either way.</span></p>
<p><span class="text">Joe<br>
</span></p>
<pre class="moz-signature" cols="90">Joe Huang
White Box Technologies, Inc.
346 Rheem Blvd., Suite 205A
Moraga CA 94556
<a class="moz-txt-link-abbreviated" href="mailto:yjhuang@whiteboxtechnologies.com">yjhuang@whiteboxtechnologies.com</a>
<a class="moz-txt-link-freetext" href="http://weather.whiteboxtechnologies.com">http://weather.whiteboxtechnologies.com</a> for simulation-ready weather data
(o) (925)388-0265
(c) (510)928-2683
"building energy simulations at your fingertips"
</pre>
<div class="moz-cite-prefix">On 7/14/2016 7:22 PM, 冷面寒枪 via
Equest-users wrote:<br>
</div>
<blockquote cite="mid:tencent_0041BB8D118DCFA7094D7815@qq.com"
type="cite">
<div>Recently,I read the news about the zero air cooler,<span
style="WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); TEXT-INDENT: 0px; LETTER-SPACING: normal;
DISPLAY: inline !important; FONT: 14px/26px roboto, Verdana,
Helvetica, Arial, sans-serif; WHITE-SPACE: normal; FLOAT:
none; COLOR: rgb(0,0,0); WORD-SPACING: 0px;
-webkit-text-stroke-width: 0px">which is made with re-purposed
plastic bottles.And the new claims that it helps reduce indoor
temperature by 5 degrees centigrade.</span><span
style="WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); TEXT-INDENT: 0px; LETTER-SPACING: normal;
DISPLAY: inline !important; FONT: 14px/26px roboto, Verdana,
Helvetica, Arial, sans-serif; WHITE-SPACE: normal; FLOAT:
none; COLOR: rgb(0,0,0); WORD-SPACING: 0px;
-webkit-text-stroke-width: 0px"></span></div>
<div><span style="WIDOWS: 1; TEXT-TRANSFORM: none;
BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px;
LETTER-SPACING: normal; DISPLAY: inline !important; FONT:
14px/26px roboto, Verdana, Helvetica, Arial, sans-serif;
WHITE-SPACE: normal; FLOAT: none; COLOR: rgb(0,0,0);
WORD-SPACING: 0px; -webkit-text-stroke-width: 0px">The making
process is shown as following:</span></div>
<div><span style="WIDOWS: 1; TEXT-TRANSFORM: none;
BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px;
LETTER-SPACING: normal; DISPLAY: inline !important; FONT:
14px/26px roboto, Verdana, Helvetica, Arial, sans-serif;
WHITE-SPACE: normal; FLOAT: none; COLOR: rgb(0,0,0);
WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"><img
src="cid:part1.04E8AA5D.98A313BE@whiteboxtechnologies.com"
filesize="157349" naturalw="571" naturalh="466"></span></div>
<div><span style="WIDOWS: 1; TEXT-TRANSFORM: none;
BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px;
LETTER-SPACING: normal; DISPLAY: inline !important; FONT:
14px/26px roboto, Verdana, Helvetica, Arial, sans-serif;
WHITE-SPACE: normal; FLOAT: none; COLOR: rgb(0,0,0);
WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"><img
src="cid:part2.0BE719FD.26DBABDB@whiteboxtechnologies.com"
filesize="109500" naturalw="592" naturalh="359"></span></div>
<div>I dout that very much.</div>
<div> </div>
<div>the Joule-Thomson Coefficient for air (mostly nitrogen) at
300K (27°C/80°F) is about 0.36K/bar. This means that at 300K a
1bar change in pressure equates to a 0.22K. The change in
pressure required to get the 5°C (5K) reduction would therefore
be:<br style="TEXT-ALIGN: left; WIDOWS: 1; TEXT-TRANSFORM: none;
BACKGROUND-COLOR: rgb(252,252,255); TEXT-INDENT: 0px;
LETTER-SPACING: normal; FONT: 13px/18px verdana, arial,
helvetica, sans-serif; WHITE-SPACE: normal; COLOR:
rgb(20,20,20); WORD-SPACING: 0px; -webkit-text-stroke-width:
0px">
<br style="TEXT-ALIGN: left; WIDOWS: 1; TEXT-TRANSFORM: none;
BACKGROUND-COLOR: rgb(252,252,255); TEXT-INDENT: 0px;
LETTER-SPACING: normal; FONT: 13px/18px verdana, arial,
helvetica, sans-serif; WHITE-SPACE: normal; COLOR:
rgb(20,20,20); WORD-SPACING: 0px; -webkit-text-stroke-width:
0px">
<span style="TEXT-ALIGN: left; WIDOWS: 1; TEXT-TRANSFORM: none;
BACKGROUND-COLOR: rgb(252,252,255); TEXT-INDENT: 0px;
LETTER-SPACING: normal; DISPLAY: inline !important; FONT:
13px/18px verdana, arial, helvetica, sans-serif; WHITE-SPACE:
normal; FLOAT: none; COLOR: rgb(20,20,20); WORD-SPACING: 0px;
-webkit-text-stroke-width: 0px">5 / 0.22 = 22.7bar</span></div>
<div><span style="TEXT-ALIGN: left; WIDOWS: 1; TEXT-TRANSFORM:
none; BACKGROUND-COLOR: rgb(252,252,255); TEXT-INDENT: 0px;
LETTER-SPACING: normal; DISPLAY: inline !important; FONT:
13px/18px verdana, arial, helvetica, sans-serif; WHITE-SPACE:
normal; FLOAT: none; COLOR: rgb(20,20,20); WORD-SPACING: 0px;
-webkit-text-stroke-width: 0px"></span> </div>
<div><span style="TEXT-ALIGN: left; WIDOWS: 1; TEXT-TRANSFORM:
none; BACKGROUND-COLOR: rgb(252,252,255); TEXT-INDENT: 0px;
LETTER-SPACING: normal; DISPLAY: inline !important; FONT:
13px/18px verdana, arial, helvetica, sans-serif; WHITE-SPACE:
normal; FLOAT: none; COLOR: rgb(20,20,20); WORD-SPACING: 0px;
-webkit-text-stroke-width: 0px"><img style="WIDTH: 684px;
HEIGHT: 440px"
src="cid:part3.122A8D8F.E2C2009B@whiteboxtechnologies.com"
filesize="106626" naturalw="740" naturalh="477"
modifysize="92%" diffpixels="22px" scalingmode="zoom"></span></div>
<div>So I think it is impossible the temperature drop will be up
to 5 degrees centigrade after the air through the bottle.</div>
<div> </div>
<div>What do you think?</div>
<div> </div>
<div>------------------
<div>
<div style="FONT-FAMILY: Verdana; COLOR: #000; FONT-SIZE:
14px">
<div>
<div><font color="#3366ff" size="2"><strong>Yongqing Zhao</strong></font></div>
<div><font size="2"><strong><font color="#006600">Changsha
Green Building & Energy Saving Technology
CO.,LTD<br>
</font></strong><font color="#3366ff">NO.438,Shaoshan
Road,Changsha,Hunan,China<br>
Telephone:13574805636</font></font></div>
<div><font color="#3366ff" size="2"><a class="moz-txt-link-abbreviated" href="mailto:Email:zhaoyongqing1987@126.com">Email:zhaoyongqing1987@126.com</a></font></div>
<div><font size="2"> <span><a class="moz-txt-link-abbreviated" href="mailto:503271081@qq.com">503271081@qq.com</a></span></font> </div>
</div>
</div>
</div>
</div>
<div> </div>
<br>
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</blockquote>
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