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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><FONT size=3><FONT color=#000000><FONT face="Times New Roman">David,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></FONT></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><FONT size=3><FONT color=#000000><FONT face="Times New Roman">I carefully checked the documentation before posting.<o:p></o:p></FONT></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><o:p><FONT face="Times New Roman" color=#000000 size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><FONT size=3><FONT color=#000000><FONT face="Times New Roman">If I have a vertical wall, looking at Figure 6 at page 551.5, I would set Parameter(7), Beta_field, equal to 0.<o:p></o:p></FONT></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><FONT size=3><FONT color=#000000><FONT face="Times New Roman">Then I get an error in the simulation. ("An illegal PARAMETER value has been reported by the model. The model has reported that Parameter 7 is the problem..")<o:p></o:p></FONT></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><o:p><FONT face="Times New Roman" color=#000000 size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><FONT size=3><FONT color=#000000><FONT face="Times New Roman">This doesn't surprise me, as in the code:<o:p></o:p></FONT></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><o:p><FONT face="Times New Roman" color=#000000 size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><FONT size=3><FONT color=#000000><FONT face="Times New Roman">WallSlope = Parameter(7) = 0<o:p></o:p></FONT></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><FONT size=3><FONT color=#000000><FONT face="Times New Roman">FieldSlope = 90 - WallSlope = 90, <B style="mso-bidi-font-weight: normal">which in radians is 1.57<o:p></o:p></B></FONT></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><FONT size=3><FONT color=#000000><FONT face="Times New Roman">IF (FieldSlope.GT.1.5d0)) CALL TYPECK(4,INFO,NI,7,0) !!<o:p></o:p></FONT></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"><o:p><FONT face="Times New Roman" color=#000000 size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT face="Times New Roman" color=#000000 size=3>What`s wrong?</FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT face="Times New Roman" color=#000000 size=3>Thanks, Giovanni</FONT></P>
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Date: Wed, 11 Feb 2009 15:00:38 -0600<BR>From: bradley@tess-inc.com<BR>To: giovn@hotmail.com<BR>CC: trnsys-users@cae.wisc.edu<BR>Subject: Re: [TRNSYS-users] type 551<BR><BR>Giovanni,<BR> Please refer to the ..\Trnsys16_1\Tess Models\Documentation\Green Building Library\Type551.pdf for some diagrams that explain the angle definitions. As for the source code, the angles are converted to radians so the limits that you are seeing are limitations on radians, not on degrees.<BR>Kind regards,<BR> David<BR><BR><BR>giovanni nurzia wrote:
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Dear all,<BR><BR>following type 551 documentation I would set for the case depicted in the attached figure:<BR><BR>Array configuration: 2<BR>Row slope: alpha + beta<BR>Field slope: beta<BR><BR>But looking at the source code:<BR>- Row slope seems to be considered only referring to the horizontal<BR>- It is requested not to have (FieldSlope.GT.RowSlope), which I would get because for ConfigMode=2 fieldslope is calculated as (90-beta)<BR>- Moreover It seems that I can“t have beta equal to 0, as it is requested not to have (FieldSlope.GT.1.5d0). What about a vertical wall?<BR><BR>Can you give me some suggestions?<BR><BR>Thanks,<BR><BR>Giovanni Nurzia<BR><BR>
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