Dear Wang, the own height factor is described in the COMIS reference manual / user guide on page 83 (et seqq): it is the cosine of the angle between the window plane and a vertical plane -> for vertical windows it is 1 and for horizontal windows it is 0. Hence, in your case it should be 1. Regards, Angela -- Technische Universität Graz Institut für Wärmetechnik Inffeldgasse 25/B A-8010 Graz Tel.: (+43) 316 873 7307 Fax: (+43) 316 873 7305 http://www.iwt.tugraz.at Am 15.12.2010 14:50, schrieb 王洋:
Dera All, I have a question about Own height factor of large opening in TRNFlow: Our windows are normal casement window. Should it be 1? I think the opening is in a vertical wall. Is it right or not? Many thanks! Br. wang