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<font size="-1"><font face="Arial">Dear Matt,<br>
<br>
I check all of Type16 inputs and parameters, and everything seems
good...<br>
<br>
When I compare Type16 results with Grenoble Meteonorm data (from TRNSYS
Library). <br>
Results are checked in following table:<br>
<br>
</font></font>
<table border="1" cellpadding="2" cellspacing="2" height="96"
width="657">
<tbody>
<tr>
<td bgcolor="#ccffff" valign="top"><br>
</td>
<td align="center" bgcolor="#ccffff" valign="top"><b>ITH<br>
[kWh/year]<br>
</b></td>
<td align="center" bgcolor="#ccffff" valign="top"><b>IT_North<br>
[kWh/year]</b></td>
<td align="center" bgcolor="#ccffff" valign="top"><b>IT_South<br>
[kWh/year]</b></td>
<td align="center" bgcolor="#ccffff" valign="top"><b>IT_East<br>
[kWh/year]</b></td>
<td align="center" bgcolor="#ccffff" valign="top"><b>IT_West<br>
[kWh/year]</b></td>
</tr>
<tr>
<td bgcolor="#ccffff" valign="top">Meteonorm<br>
</td>
<td align="center" valign="top">1241.6<br>
</td>
<td align="center" valign="top">383.3<br>
</td>
<td align="center" valign="top">940.8<br>
</td>
<td align="center" valign="top">740.8<br>
</td>
<td align="center" valign="top">749.1<br>
</td>
</tr>
<tr>
<td bgcolor="#ccffff" valign="top">Type16<br>
</td>
<td align="center" valign="top">1239.4<br>
</td>
<td align="center" valign="top"><b>482.0</b><br>
</td>
<td align="center" valign="top">971.2<br>
</td>
<td align="center" valign="top"><b>1030.5</b><br>
</td>
<td align="center" valign="top">693.3<br>
</td>
</tr>
<tr>
<td bgcolor="#ccffff" valign="top"><font color="#3366ff"><i><b>Differences<br>
</b></i></font></td>
<td align="center" valign="top"><font color="#3366ff"><i><b>-0.2%<br>
</b></i></font></td>
<td align="center" valign="top"><font color="#3366ff"><i><b>+25.8%<br>
</b></i></font></td>
<td align="center" valign="top"><font color="#3366ff"><i><b>+3.2%<br>
</b></i></font></td>
<td align="center" valign="top"><font color="#3366ff"><i><b>+39.1%<br>
</b></i></font></td>
<td align="center" valign="top"><font color="#3366ff"><i><b>-7.5%<br>
</b></i></font></td>
</tr>
</tbody>
</table>
<font size="-1"><font face="Arial"><br>
Total Radiation on horizontal and south surfaces seem to be identical ,
whatever the calculation mode chosen.<br>
Difference is less than 10% for West orientation, which maybe
acceptable.<br>
For East and North orientations, total radiation are very different
(more than 25% btween the both calculation modes).<br>
Total Radiation on East surface is much more higher than IT West,
although values seem to be really close to each other with Meteonorm
data.<br>
<br>
Being unable to solve that issue, I decide to use Meteonorm data for
radiation values calculation in my simulation, which seems to be right.<br>
If someone have an idea...<br>
<br>
Best regards <br>
</font></font><font size="-1"><font face="Arial"></font></font>
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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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<td align="left"> <font color="#0000ff" face="CALIBRI" size="4"><b>ITF</b></font><br>
</td>
<td><font color="#0000ff" face="CALIBRI" size="2">87, Avenue de
Chambéry<br>
73230 St Alban Leysse<br>
FRANCE<br>
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<td align="left" width="40"><font color="#0000ff" face="CALIBRI"
size="2"> Phone :<br>
Fax :<br>
Mail:<br>
</font></td>
<td><font color="#0000ff" face="CALIBRI" size="2"> +33(0) 479 750
029<br>
+33(0) 479 852 122<br>
<a class="moz-txt-link-freetext" href="mailto:a.jezequel@itf.biz">a.jezequel@itf.biz</a></font></td>
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<br>
<br>
Matt Duffy a écrit :
<blockquote cite="mid:1254326274.v2.mailanyonewebmail-331886@fuse114"
type="cite">Dear Adrien,<br>
<br>
Please make sure that your "solar high noon" in your data matches the
"solar high noon" coming out of Type16. This may be an issue with your
start time - it could be off by an hour. Also, make sure you are NOT
interpolating in Type9 for your radiation data.<br>
<br>
Best regards,<br>
<br>
Matt Duffy<br>
<br>
<br>
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id="replyfwdwrap"><strong>----- Original Message -----</strong><br>
<strong>From:</strong> <a class="moz-txt-link-abbreviated" href="mailto:a.jezequel@itf.biz">a.jezequel@itf.biz</a><br>
<strong>Sent:</strong> Wed, September 30, 2009, 5:43 AM<br>
<strong>Subject:</strong> [TRNSYS-users] Problem with Type16<br>
<br>
<!-- begin sanitized html --><font size="-1"><font face="Arial">Dear
TRNSYS users,<br>
<br>
I try to use Type16 to obtain solar radiation on each surface (North,
South, East, and West) of my building with IBH and IDH given and read
by a simple data reader.<br>
The considered building is placed in Grenoble (lat : 45.12° - long
5.42°).<br>
I put those informations in Type16 parameters :<br>
Parameter5 (Latitude) = <b>45.12 degrees</b><br>
Parameter7 (Shift in Solar Time) = -15-(-5.42) = <b>-9.58 degrees<br>
</b>Parameter9 (Solar Time) = <b>1</b><br>
<br>
But beam radiation exceeds extraterrestrial radiation for 25 time-steps
during the simulation. This problem occurs only for </font></font><font
size="-1"><font face="Arial">East orientation</font></font><font
size="-1"><font face="Arial"> (West orientation if parameter7 is
positive) whatever the tilted surface mode (Parameter3).<br>
<br>
I have seen in TRNSYS users archive that other people have encountered
problem in Type16 use, but I haven't found how to solve that issue.<br>
<br>
Any help will be appreciated<br>
<br>
Best regards<br>
<br>
</font></font>
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<td colspan="2"><font color="#000000" face="CALIBRI" size="2">Adrien
JEZEQUEL<br>
Simulations Thermiques Dynamiques</font></td>
</tr>
<tr>
<td align="left"><font color="#0000ff" face="CALIBRI" size="4"><b>ITF</b></font><br>
</td>
<td><font color="#0000ff" face="CALIBRI" size="2">87, Avenue de
Chambéry<br>
73230 St Alban Leysse<br>
FRANCE<br>
</font></td>
</tr>
<tr>
<td align="left" width="40"><font color="#0000ff" face="CALIBRI"
size="2">Phone :<br>
Fax :<br>
Mail:<br>
</font></td>
<td><font color="#0000ff" face="CALIBRI" size="2">+33(0) 479
750 029<br>
+33(0) 479 852 122<br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
target="_blank" href="mailto:a.jezequel@itf.biz">a.jezequel@itf.biz</a></font></td>
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