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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Dear
TRNSYS users,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>I
am currently working on a project which involves non-orthogonal windows, shaded
by horizontal overhangs. I’d like to use type 34 to model these
overhangs. My windows have different slopes, from 30° to 80° with the horizontal
direction.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span
lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><span
style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span lang=EN-US style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>Type 109, from which the radiation inputs of
type 34 come, uses the slope of my tilted windows to compute the beam radiation
and the incident angle of direct radiation on this non-orthogonal surface. Is
it enough to tell type 34 that my windows are not orthogonal ? Indeed, the
description of the 1<sup>st</sup> parameter of type 34 reads: “Type34
assumes a vertical orientation for the window.” The problem is that, my
window not being vertical, an overhang doesn’t have the same impact than
if the window was vertical, since the window is closer to the sun’s zenith
angle.<o:p></o:p></span></p>
<p class=MsoListParagraph><span lang=EN-US style='font-size:10.0pt;font-family:
"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span
lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><span
style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span lang=EN-US style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>What length of overhang projection and overhang
gap should I consider ? Mark Duffy’s answer on Fri Dec 11<sup>th</sup>
2009 suggests that we should take the horizontal distance for the overhang
projection, but is this right even in this case, with a non vertical window ? Should
I take instead the distance in the orthogonal direction from the window to the
end of the projection ?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Thanks
for your help.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Best
regards,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Héloïse
Pelen<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:2.0pt;font-family:"Tahoma","sans-serif";
color:white'>ETAMINE<o:p></o:p></span></b></p>
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<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";
color:black'><a href="mailto:heloise.pelen@etamine.coop"><span
style='color:black'>heloise.pelen@etamine.coop</span></a><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";
color:black'>75 rue de la Villette - 69003 Lyon<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";
color:black'>Std : 04 37 45 34 20 / Fax : 04 37 45 41 38<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Tahoma","sans-serif";
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<p class=MsoNormal><span style='font-size:14.0pt;font-family:Mistral;
color:black'>Visitez notre nouveau site web : </span><span style='color:black'><a
href="www.etamine.coop" title="Aller sur le site de ETAMINE"><span
style='font-size:14.0pt;font-family:Mistral;color:#00B050'>www.etamine.coop</span></a></span><span
style='font-size:14.0pt;font-family:Mistral;color:black'> !</span><o:p></o:p></p>
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