<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:16px"><div id="yui_3_16_0_1_1431838967600_6750">Dear All</div><div id="yui_3_16_0_1_1431838967600_6750" dir="ltr"><br></div><div id="yui_3_16_0_1_1431838967600_6750" dir="ltr">I am wondering how can I simulate Thermosyphone SWH for evacuated tube collector. May I use type 45 (which is for FPC) for this issue? If yes, how can I deal with some parameters in type 45 such as Header diameter and length, Collector inlet to outlet distance, etc.?</div><div id="yui_3_16_0_1_1431838967600_6750" dir="ltr"><br></div><div id="yui_3_16_0_1_1431838967600_6750" dir="ltr">Best Regards</div><div id="yui_3_16_0_1_1431838967600_6750" dir="ltr"><br></div><div id="yui_3_16_0_1_1431838967600_6750" dir="ltr">Nidal Abdalla</div><div id="yui_3_16_0_1_1431838967600_6750" dir="ltr" class="" style=""> </div></div></body></html>