moment coefficient sign?! -- CFD Online Discussion Forums

July 3, 2012, 16:09	moment coefficient sign?!	#1
Moataz New Member Moataz Join Date: Jul 2012 Posts: 5 Rep Power: 13	hello all , iam making a simulation of VAWT , and i get the Cm value with +ve sign although i gave the turbine a rotational speed -12 rad/s , what does the Cm sign refers to ? , is that wrong or something?!! thanks in advance.

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