<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div class="" style=""><span class="" style="">Dear Trnsys-users,</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal" class=""><span class="" style="">I'm using type 99 to read a weather file in user format.</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal" class=""><span class="" style="">I created the weather data file in the appropriate format and tested it in order to verify the data produced by type 99. The file is created with one hour time interval and the simulation needed is also of
1h interval, so I need type 99 to read the exact values supplied without modification, I only need it to process several surfaces.</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal" class=""><span class="" style="">I have the following questions:</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal" class=""><span class="" style="">1- How can I get the exact values of ambient Temperature that I supply in the data file? I tested with "No interpolation" </span></div><div style="background-color: transparent" class=""><interp> 0 <add> 0 <mult> 1<span class="" style="white-space: pre"> </span> <samp>
0</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal" class=""><span class="" style="">and i didn't get the right values?</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;" class=""><span class="" style="">2- How can I get the exact values of relative humidity, I tested with no interpolation and <interp>=0. and I get wrong values.</span></div><div style="background-color: transparent" class=""><span class="" style="color: rgb(0, 0, 0); font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 16px; font-style: normal">3- I have the values of </span><span style="background-color: transparent"
class="">IBEAM_H, <span style="white-space: pre" class=""> </span></span><span style="background-color: transparent; font-size: 12pt" class="">IBEAM_N, <span style="white-space: pre" class=""> </span></span><span style="background-color: transparent; font-size: 12pt" class="">IDIFF_H </span><span class="" style="background-color: transparent; font-size: 12pt; white-space: pre"> and </span><span class="" style="background-color: transparent; font-size: 12pt; white-space: pre"> </span><span style="background-color: transparent; font-size: 12pt" class="">IGLOB_H<span style="white-space: pre" class="">. Is it correct to write them all in the weather data file or this may cause a problem and I should respect the choice: (Ib and Id, I and Id, I and Ibn) as mentioned in the help document?</span></span></div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue',
Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal" class=""><span style="background-color: transparent; font-size: 12pt" class=""><span style="white-space: pre" class="">4- If I have to choose between the irradiation values mentioned above, which irradiation I need to supply in addition to </span></span><span class="" style="font-size: 12pt; background-color: transparent"><span class="" style="white-space: pre"> </span></span><span class="" style="font-size: 12pt; background-color: transparent">IBEAM_N.</span></div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal" class=""><span style="background-color: transparent; font-size: 12pt" class=""><span style="white-space: pre" class="">Actually, I need to supply the DNI (IBEAM_N) since I'm using a field of parabolic trough solar collectors
and I want to be sure of the values used.</span></span></div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal;" class=""><span style="background-color: transparent; font-size: 12pt" class=""><span style="white-space: pre" class="">Thank you in advance for help </span></span></div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal;" class=""><span style="background-color: transparent; font-size: 12pt" class=""><span style="white-space: pre" class="">Cordially</span></span></div><div class="" style=""><br class="" style=""><br class="" style=""><font color="#0060bf" size="4" face="garamond, new york, times, serif" class="" style="">Meriem SOUSSI<br class=""
style="">Ingénieur énergéticien/doctorant<br class="" style=""><br></font></div></div></body></html>