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May 12, 2005, 10:16
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problem about solve areocoefficients
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#1 |
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Guest
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When I solved teh Areocoefficient of one aircraft by CFX5.7.1, I found it was different when I use M=0.4 and M=0.2.when teh Cl=0.398,Cd=0.0298, M=0.4:and the same case,Cl=0.357,Cd=0.0275,M=0.2.Why??
Regards W0er |
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May 13, 2005, 07:49
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Re: problem about solve areocoefficients
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#2 |
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Guest
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Those numbers are not far off what you would expect if you just applied the Prandtl-Glauert correction.
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May 14, 2005, 09:19
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Re: problem about solve areocoefficients
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#3 |
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Guest
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Oh charles ,but i didn't get the results what differ from the Re number.
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