COMSOL Forums: dimentionless lenth and width used? http://www.comsol.nl/community/forums/general/thread/3898/ Most recent forum messages Tue, 16 Mar 2010 19:08:33 +0000 COMSOL Forums: dimentionless lenth and width used? http://www.comsol.nl/shared/images/logos/comsol_logo.gif http://www.comsol.nl/community/forums/general/thread/3898/ dimentionless lenth and width used? http://www.comsol.nl/community/forums/general/thread/3898/#p10132 hi,<br /> <br /> I am working on a project in which i have to design a model of specific length and width for heat transfer .During modeling i made length and width dimensionless to find mean bulk temperature and wall temperature after that i will find out Nusselt number from this information.<br /> <br /> But why we use dimensionless lengths and widths in comsol modeling?<br /> <br /> Tue, 16 Mar 2010 19:08:33 +0000 3898.1268766513.10132