detection of flow separation on airfoil -- CFD Online Discussion Forums

August 15, 2009, 09:12	detection of flow separation on airfoil	#1
alastormoody11 Senior Member Join Date: Jun 2009 Posts: 100 Rep Power: 16	Hi, I am simulating flow over a NACA 0018 airfoil at low Re numbers. I have regions on the airfoil with expressly low pressure( bottom of the scale) Do they signify the separation bubble because I am still seeing pathlines through that region. I have tried simulating at moderate angles of attack so the aforementioned pressure areas cannot signify shock.

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