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high amount of drag coefficient. about 15????Is it okay? |
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January 28, 2010, 17:48 |
high amount of drag coefficient. about 15????Is it okay?
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Senior Member
navid
Join Date: Jan 2010
Posts: 110
Rep Power: 16 |
Dear all
I am simulating a stator vane in cfx. I want to get drag coefficient for the blade so I used the force given by cfx-post and used the usual formula: force/(0.5*density*velocity^2*area) I used the inlet conditions for density and velocity and I also used chord*span for the area. Have I used the right variables? by doing this I obtained the drag coefficient of about 15. Isn't it too large? Shouldn't be always lower than unity? Please tell me what is my problem? Is the area I am using ok? for more information I should say my blade is a well-known c3x blade and it's setting angle is 59 degrees. Thanks for your answers |
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