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-   -   why the moment coefficient always positive.. (http://www.cfd-online.com/Forums/main/69742-why-moment-coefficient-always-positive.html)

nuimlabib November 3, 2009 01:24

why the moment coefficient always positive..
 
i am simulate the airfoil. but the moment coefficient always in positive magnitude..i using fluent cfd solver..in experimental data. the moment coeffcient always in negative magnitude..where my mistake occured. please help me..thanks

ztdep November 7, 2009 21:49

Dear friends:
How to define your momentume coefficient.


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