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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Dear fred,<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>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">You can refer to tmy file generator matlab code on file exchange that has the illuminance model coded in if radiation data is available. The details of the
model and source material can be found on the file exchange page. The code can be modified to read 8760 records from one excel sheet.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a href="http://www.mathworks.com/matlabcentral/fileexchange/35168-weather-xls-to-tmy2">http://www.mathworks.com/matlabcentral/fileexchange/35168-weather-xls-to-tmy2</a><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>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">usually published tmy files contain the illuminance data.<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>
<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">Tauha<o:p></o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></a></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext"> TRNSYS-users [mailto:trnsys-users-bounces@lists.onebuilding.org]
<b>On Behalf Of </b>David BRADLEY<br>
<b>Sent:</b> Monday, March 30, 2015 7:19 PM<br>
<b>To:</b> TRNSYS users mailing list at OneBuilding.org; f.lavoye@surya-consultants.com<br>
<b>Subject:</b> Re: [TRNSYS-users] TMY-3<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">Fred,<br>
There are actually a few issues here. First, both TMY2 and TMY3 are file formats. The files themselves are simply text files and can be opened and edited with notepad, Excel, etc. The definition of the format (what data appears in which column of the data
file) is publicly available:<br>
<br>
for TMY2: <a href="http://rredc.nrel.gov/solar/pubs/tmy2/data.html">http://rredc.nrel.gov/solar/pubs/tmy2/data.html</a><br>
for TMY3: <a href="http://www.nrel.gov/docs/fy08osti/43156.pdf">http://www.nrel.gov/docs/fy08osti/43156.pdf</a><br>
<br>
Both the TMY2 and TMY3 formats contain fields for global illuminance. Meteonorm is able to save and export weather files in the TMY2 format. However, I do not know if it fills in the global illuminanace fields with data or if it just leaves those fields set
with some default code to indicate that no data is available. If either a TMY2 or TMY3 file contains data in the global illuminance fields then TRNSYS Type15 will read and provide that data as output 44 (if you only have one surface on which Type15 is computing
solar radiation).<br>
<br>
Kind regards,<br>
David<br>
<o:p></o:p></p>
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<p class="MsoNormal">On 3/29/2015 4:01 PM, frédéry lavoye wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Dear TRnsys users,<o:p></o:p></p>
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<p class="MsoNormal">I would like to know how generate TMY-3 weather file ?<o:p></o:p></p>
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<p class="MsoNormal">I can't manage it with the version of meteonorm I have...<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">I need Global illuminance Output for simulations and I think that only TMY-3 weather file permit it.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Thanks in advance for your answer.<o:p></o:p></p>
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<p class="MsoNormal">Regards,<o:p></o:p></p>
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<p class="MsoNormal">Fred.<o:p></o:p></p>
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<p class="MsoNormal"><br>
<br>
<br>
<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>TRNSYS-users mailing list<o:p></o:p></pre>
<pre><a href="mailto:TRNSYS-users@lists.onebuilding.org">TRNSYS-users@lists.onebuilding.org</a><o:p></o:p></pre>
<pre><a href="http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org</a><o:p></o:p></pre>
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<o:p></o:p></p>
<pre>-- <o:p></o:p></pre>
<pre>***************************<o:p></o:p></pre>
<pre>David BRADLEY<o:p></o:p></pre>
<pre>Principal<o:p></o:p></pre>
<pre>Thermal Energy Systems Specialists, LLC<o:p></o:p></pre>
<pre>22 North Carroll Street - suite 370<o:p></o:p></pre>
<pre>Madison, WI 53703 USA<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>P:+1.608.274.2577<o:p></o:p></pre>
<pre>F:+1.608.278.1475<o:p></o:p></pre>
<pre><a href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a><o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre><a href="http://www.tess-inc.com">http://www.tess-inc.com</a><o:p></o:p></pre>
<pre><a href="http://www.trnsys.com">http://www.trnsys.com</a><o:p></o:p></pre>
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