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Nick,<br>
Type55 would allow you to integrate only over a certain time
period (your 8am to 4pm time frame) and reset daily. Alternatively,
you can get a daily sum of a function that has a value of 1 when the
sun is up and a value of 0 otherwise: sunUp = GT(Ih,0) (where Ih is
an output of your weather processor). That will get you the number
of daylight hours each day. You'll then need to print out your
hourly temperatures and do the integration in Excel after the
simulation.<br>
Best,<br>
David<br>
<br>
<br>
On 4/8/2011 16:50, Nicholas LaHam wrote:
<blockquote
cite="mid:2F305691-9CAA-42AA-A404-998CDF99F86D@gmail.com"
type="cite">
<div>Jeff</div>
<div><br>
</div>
Is it possible to create running averages based on certain
criteria? For instance, could I calculate the average of the
temperature each day only when radiation is present (during
daytime hours) so that the average does not reflect the cold
nights?
<div><br>
</div>
<div>The closest solution I have found to this is to use an 8 hour
running average, so that you are getting 3 averages each day: <i>Midnight
to 8am, 8am to 4pm, and 4pm to Midnight</i>. And then using
Excel to average only the 8am to 4pm data and erase everything
else. The problem with this is the radiation is still present
after 8am or before 4pm at certain locations and depending on
the time of season.<br>
<div><br>
</div>
<div>Thanks,</div>
<div>Nick</div>
<div><br>
<div>
<div>
<div>On Apr 8, 2011, at 12:44 PM, Jeff Thornton wrote:</div>
<br class="Apple-interchange-newline">
<blockquote type="cite">You can also use the utility model
that creates a running average - in your case a running
24 hour average. This will keep you from getting step
changes at midnight.<br>
<br>
Jeff<br>
<br>
Jeff Thornton <br>
President - TESS, LLC <br>
<br>
22 North Carroll Street - Suite 370<br>
Madison WI 53703 USA <br>
<br>
Phone: 608-274-2577 <br>
Fax: 608-278-1475 <br>
E-mail: <a moz-do-not-send="true"
href="mailto:thornton@tess-inc.com">thornton@tess-inc.com</a>
<br>
Web: <a moz-do-not-send="true"
href="http://www.tess-inc.com">www.tess-inc.com</a><br>
<br>
<br>
<br>
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<strong>From:</strong> "Adrien JEZEQUEL - ITF" <<a
moz-do-not-send="true"
href="mailto:a.jezequel@itf.biz">a.jezequel@itf.biz</a>>
<br>
<strong>Sent:</strong> Thu, April 7, 2011 9:10<br>
<strong>Subject:</strong> Re: [TRNSYS-users] average
ambient day temperature<br>
<br>
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<div class="bodyclass" style="color: rgb(0,
0, 0);"><font size="-1"><font face="Arial">Lana,<br>
<br>
I think you can also use Type55, from
utility library.<br>
<br>
Best regards<br>
</font></font>
<div class="moz-signature">
<hr width="450" align="LEFT"
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<td colspan="2"><font
color="#000000" face="CALIBRI"
size="2">Adrien JEZEQUEL<br>
Simulations Thermiques
Dynamiques</font></td>
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<tr>
<td align="LEFT"><font
color="#000ff0" face="CALIBRI"
size="4"><b>ITF</b></font></td>
<td><font color="#0000ff"
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73230 St Alban Leysse<br>
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<td width="40" align="LEFT"><font
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Fax :<br>
Mail:<br>
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+33(0) 479 750 029<br>
+33(0) 479 852 122<br>
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<i><font color="#008000" face="CALIBRI"
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<br>
Le 07/04/2011 14:56, Arno Dentel a écrit :
<blockquote
cite="mid:009f01cbf523$3eefe240$bccfa6c0$@dentel@ohm-hochschule.de"
type="cite">
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<div class="WordSection1">
<p class="MsoNormal"><span
style="color: blue;" lang="EN-US">Lana,</span></p>
<p class="MsoNormal"><span
style="color: blue;" lang="EN-US">you
can use Type127 to calculate an
running mean value.</span></p>
<div><span style="color: blue;"
lang="EN-US"> </span><br
class="webkit-block-placeholder">
</div>
<p class="MsoNormal"><span
style="color: blue;" lang="EN-US">Best
regards,</span></p>
<p class="MsoNormal"><span
style="color: blue;" lang="EN-US">Arno</span></p>
<div><span style="color: blue;"
lang="EN-US"> </span><br
class="webkit-block-placeholder">
</div>
<div><span style="color: blue;"
lang="EN-US"> </span><br
class="webkit-block-placeholder">
</div>
<div>
<div style="border-width: 1pt medium
medium; border-style: solid none
none; border-color: rgb(181, 196,
223) -moz-use-text-color
-moz-use-text-color; padding: 3pt
0cm 0cm;">
<p class="MsoNormal"><b><span
style="font-size: 10pt;">Von:</span></b><span
style="font-size: 10pt;
font-family:
"Tahoma","sans-serif";">
<a moz-do-not-send="true"
class="moz-txt-link-abbreviated"
href="mailto:trnsys-users-bounces@cae.wisc.edu" target="_new">trnsys-users-bounces@cae.wisc.edu</a>
[<a moz-do-not-send="true"
class="moz-txt-link-freetext"
href="mailto:trnsys-users-bounces@cae.wisc.edu" target="_new">mailto:trnsys-users-bounces@cae.wisc.edu</a>]
<b>Im Auftrag von </b>Lana
Saracevic<br>
<b>Gesendet:</b> Donnerstag,
7. April 2011 10:04<br>
<b>An:</b> <a
moz-do-not-send="true"
class="moz-txt-link-abbreviated"
href="mailto:trnsys-users@cae.wisc.edu" target="_new">trnsys-users@cae.wisc.edu</a><br>
<b>Betreff:</b> [TRNSYS-users]
average ambient day
temperature</span></p>
</div>
</div>
<div> <br
class="webkit-block-placeholder">
</div>
<p class="MsoNormal"><span
style="font-size: 10pt;"
lang="EN-US">Dear all,</span></p>
<p cla="" ss="MsoNormal"><span
style="font-size: 10pt;
font-family:
"Arial","sans-serif";"
lang="EN-US">is there a Type that
can calculate the average ambient
day temperature of each day in the
year, and where can I find it? I
would like to use that to control
the inlet temperature of a
concrete core activation system.</span></p>
<div><span style="font-size: 10pt;
font-family:
"Arial","sans-serif";"
lang="EN-US"> </span><br
class="webkit-block-placeholder">
</div>
<div><span style="font-size: 10pt;
font-family:
"Arial","sans-serif";"
lang="EN-US"> </span><br
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<p class="MsoNormal"
style="page-break-after: avoid;"><span
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Best Regards</span></p>
<div style="page-break-after: avoid;"><span
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<p class="MsoNormal"
style="page-break-after: avoid;"><span
style="font-size: 10pt;
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color: black;">Lana Saracevic</span></p>
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nology.com</a></span></u></span></p>
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<pre class="moz-signature" cols="72">--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI 53703 USA
P:+1.608.274.2577
F:+1.608.278.1475
<a class="moz-txt-link-abbreviated" href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a>
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<a class="moz-txt-link-freetext" href="http://www.trnsys.com">http://www.trnsys.com</a></pre>
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