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Kiki,<br>
Normally, the radiation will always be a positive value or zero. In
some rare cases of using measured data, data files can have very tiny
negative values of radiation in them (due to callibrartion of the
sensor). The equation is extraneous for almost all cases - I rarely
include such an equation in my simulations - it is just a safety
measure in case there is something wrong with the data.<br>
Kind regards,<br>
David<br>
<br>
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<div class="headerdisplayname" style="display: inline;">Subject:
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RADIATION</td>
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<div class="headerdisplayname" style="display: inline;">From: </div>
kiki siouna <a class="moz-txt-link-rfc2396E" href="mailto:kiki_siouna@yahoo.com"><kiki_siouna@yahoo.com></a></td>
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<div class="headerdisplayname" style="display: inline;">Date: </div>
Thu, 29 Jan 2009 11:41:42 -0800 (PST)</td>
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<div class="headerdisplayname" style="display: inline;">To: </div>
'<a class="moz-txt-link-abbreviated" href="mailto:trnsys-users@cae.wisc.edu">trnsys-users@cae.wisc.edu</a>'</td>
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<div class="headerdisplayname" style="display: inline;">To: </div>
'<a class="moz-txt-link-abbreviated" href="mailto:trnsys-users@cae.wisc.edu">trnsys-users@cae.wisc.edu</a>'</td>
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<div class="MsoNormal"><span
style="font-size: 10pt; font-family: Arial;" lang="EN-US">HELLO TO
EVERYONE.<o:p></o:p></span></div>
<div class="MsoNormal"><span
style="font-size: 10pt; font-family: Arial;" lang="EN-US">I SIMULATE A
BUILDING AND AT THE BEGINNING I PUT THE BUILDINGS DATA AND THE MAIN
REQUIRED COMPONENTS APPEARED AND CONNECTED. ONE OF THEM IS A EQUATION
NAMED ¢RADIATION¢ WHICH CHECKS IF SOME RADIATIONS ARE POSITIVE WITH THE
EQUATION ¡¢RADIATION1=MAX (INPUT,O). <br>
</span></div>
<div class="MsoNormal"><span
style="font-size: 10pt; font-family: Arial;" lang="EN-US">WHAT DOES
THIS MEAN? IS IT POSSIBLE THE RADIATIONS TO BE LOWER THAN ZERO??<o:p></o:p></span></div>
<div class="MsoNormal"><span
style="font-size: 10pt; font-family: Arial;" lang="EN-US"><o:p> </o:p></span></div>
<div class="MsoNormal"><span
style="font-size: 10pt; font-family: Arial;" lang="EN-US">THANK YOU IN
ADVANCE<o:p></o:p></span></div>
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