Zero Gradient for in/outlet turbulence condition? -- CFD Online Discussion Forums

January 14, 2006, 00:25	Zero Gradient for in/outlet turbulence condition?	#1
Pete Guest Posts: n/a	Hi guys... I've a quick question about the definition of zero gradient for turbulence when I specify the inlet or outlet boundary condition in CFX. This is the latest add-in to the treatment of boundary condition. I find little information about this from textbook. Can anyone please help me to understand this term? 1)Is it defined as 0%Turbulence Intensity? 2)Any significant advantage if compared to specifying a constant % of turbulence intensity at inlet/outlet boundary? Thank you very much.

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