2D to 3D turbulence -- CFD Online Discussion Forums

February 26, 2013, 17:33	2D to 3D turbulence	#1
canopus Member SM Join Date: Dec 2010 Posts: 97 Rep Power: 15	Hi! I want to perform a cheap DNS for a rectangular jet surrounded by coflow. The geometric configuration is- inhomogeneous normal in y-dir inhomogeneous streamwise in z-dir homogeneous spanwise x-dir is periodic The question is what should be the domain extent in x direction so that I get a 3D turbulence and not a 2D one. Can you suggest (or refer) domain extent in terms of geometry(slot width) or integral scale? Thanks apriori

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