<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:12pt"><div style="font-size: 12pt; font-family: arial, helvetica, sans-serif; ">Hi all</div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="3">I am using Trnsys 17, and I have tested weather file including the <u>Beam Normal </u></font><font class="Apple-style-span" face="arial, helvetica, sans-serif"><u>Radiation</u> and <u>Horizontal Diffuse Radiation.</u></font><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="3"> </font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="3">According to help of type 99 :</font></div><div><font class="Apple-style-span" color="#c00000"><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="3"><i><div>Type 99 needs two components of solar radiation (e.g. beam and diffuse horizontal) in order to
calculate the radiation on a tilted surface. It can use different combinations:</div></i></font><span class="Apple-style-span" style="font-family: arial, helvetica, sans-serif; "><i><div style="display: inline !important; "><b>Ib</b> (Beam radiation on horizontal surface) and <b>Id</b> (Diffuse radiation on horizontal surface)</div></i></span><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="3"><i><div><b>I</b> ( Total radiation on a horizontal surface )and<b> Id </b><span><b> </b><span>( Diffuse radiation on horizontal )</span></span></div></i></font><span class="Apple-style-span" style="font-family: arial, helvetica, sans-serif; "><i><div style="display: inline !important; "><b>I</b> ( Total radiation on a horizontal surface ) </div></i></span><span class="Apple-style-span" style="font-family: arial, helvetica, sans-serif; "><i><div style="display: inline !important; ">and <b>Ibn
</b></div></i></span><span class="Apple-style-span" style="font-family: arial, helvetica, sans-serif; "><i><div style="display: inline !important; "> ( Beam radiation at normal incidence)</div></i></span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif"><span>my question:</span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif"><span>Is there way or type I can use to input the weather file as it is " Normal rad.& Horizontal Diff.? </span></font></div><div style="font-size: 12pt; font-family: arial, helvetica, sans-serif; ">Thanks </div><div style="font-size: 12pt; font-family: arial, helvetica, sans-serif; "><font class="Apple-style-span" face="tahoma, 'new york', times, serif">------</font></div><div><font face="tahoma, 'new york', times, serif" style="font-family: arial, helvetica, sans-serif; font-size: 12pt; ">Best </font><font class="Apple-style-span"
face="tahoma, 'new york', times, serif">Regards</font></div><div><font class="Apple-style-span" face="tahoma, 'new york', times, serif"><br></font></div><div style="font-size: 12pt; font-family: arial, helvetica, sans-serif; "><span class="Apple-style-span" style="font-family: tahoma, 'new york', times, serif; ">Ayman Mohamed</span></div><div style="font-size: 12pt; "><font class="Apple-style-span" face="tahoma, 'new york', times, serif"><br></font></div></div></body></html>