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Ery, others,<br>
<br>
There's a deficiency in the method described in your answer because
the heat flows reported in LOADS, i.e., LS-E by space and LS-F for
the whole building, are calculated at the constant LOADS
temperature, and not the actual zone (space) temperature that is
derived in SYSTEMS. This does not affect the temperature-independent
heat flows (solar and internal gains), but has a big effect on the
conductive loads through the envelope, particularly in cooling
climates. About 17 years ago, Ellen Franconi (now at RMI) and I
(then at LBNL :-)) developed a method in DOE-2.1E using User
Functions to take the hourly component loads from LOADS and correct
them for the true zone temperature in SYSTEMS, and then aggregate
them to produce building-level component loads. The report is
available at
<a class="moz-txt-link-freetext" href="http://www.whiteboxtechnologies.com/download_complds_rpts.htm">http://www.whiteboxtechnologies.com/download_complds_rpts.htm</a> .
Unfortunately, User Functions have not been hooked up in DOE-2.2
yet, so this method for now can be applied just to DOE-2.1E models.<br>
<br>
Joe<br>
<br>
<pre class="moz-signature" cols="90">Joe Huang
White Box Technologies, Inc.
346 Rheem Blvd., Suite 108D
Moraga CA 94556
<a class="moz-txt-link-abbreviated" href="mailto:yjhuang@whiteboxtechnologies.com">yjhuang@whiteboxtechnologies.com</a>
<a class="moz-txt-link-abbreviated" href="http://www.whiteboxtechnologies.com">www.whiteboxtechnologies.com</a>
(o) (925)388-0265
(c) (510)928-2683
"building energy simulations at your fingertips"
</pre>
<br>
On 9/14/2012 10:46 AM, Ery Djunaedy wrote:
<blockquote cite="mid:50536D8E.5060306@gmail.com" type="cite">
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charset=ISO-8859-1">
My answer to the same question:<br>
<a moz-do-not-send="true"
href="http://lists.onebuilding.org/pipermail/equest-users-onebuilding.org/2011-January/007486.html">http://lists.onebuilding.org/pipermail/equest-users-onebuilding.org/2011-January/007486.html</a><br>
<br>
<br>
On 09/14/2012 11:02 AM, Nimesh Prajapati Nimesh wrote:
<blockquote
cite="mid:1347642122.22465.YahooMailNeo@web193903.mail.sg3.yahoo.com"
type="cite">
<div>
<div><span>Dear Friends,</span></div>
<div><br>
<span></span></div>
<div><span>Can equest be used for calculating ETTV ( Envelope
Thermal Transfer value ) ? if yes, How can we use it so
that we can get this value for the building modeled.</span></div>
<div> <br>
</div>
<div><span>Thanks,</span><br>
<br>
<span>Nimesh Prajapati</span><br>
<br>
<span></span><span>HVAC Design Engineer </span></div>
<div><span>(+91 9687133492)</span><br>
<span>email: <a moz-do-not-send="true"
href="mailto:nimonomics@yahoo.in">nimonomics@yahoo.in</a></span><br>
<span>Skype: nimonicideas</span><br>
<span>Please consider the environment before printing this
e-mail.</span></div>
</div>
<br>
<br>
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