Pressure coefficient larger than 1 -- CFD Online Discussion Forums

May 3, 2012, 10:31	Pressure coefficient larger than 1	#1
albatross New Member Zhe Lu Join Date: Apr 2012 Posts: 12 Rep Power: 14	Hi everyone: I am simulating a problem with an airfoil flying above calm water surface. The angle of attack is 6 degrees and the clearance between the trailling edge and the calm water surface is 0.01 chord length(which is 10m). The freestream velocity is 30m/s. The flow is regarded as compressible and unsteady. The flow time now is about 2s, but I notice that the pressure coefficient on the pressure side of the airfoil is at some position slightly larger than 1, though the magnitude is gruadually decreasing. Is this possible, or is there something wrong with my case? Thanks in advance Greg Hwang likes this.

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