What's the meaning of Cm (moment coefficient)?

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 December 26, 2005, 04:54 What's the meaning of Cm (moment coefficient)? #1 Pathway Guest   Posts: n/a I research the wind turbine and use Fluent to simulate problems. I want to know the moment of wind turbine and Fluent can report Cm. Therefore I don't know the meanings of Cm definitely. I had found all the PDF files of Fluent, but I can't find the meanings of Cm (moment coefficient)? I not only want to know the physical meanings of Cm but also its mathematics' equation. Thank you so much!

 January 5, 2006, 13:11 Re: What's the meaning of Cm (moment coefficient)? #2 sharuk Guest   Posts: n/a it's good i find someone working on the same area, the moment which fluent refers is the torque coeffcient of the rotor,

 January 6, 2006, 00:31 Re: What's the meaning of Cm (moment coefficient)? #3 Pathway Guest   Posts: n/a Thank you for your response. And I want to know where you find this relationship. What the relationship between Cm and torgue? Sincerely.

 January 6, 2006, 00:41 Re: What's the meaning of Cm (moment coefficient)? #4 sharuk Guest   Posts: n/a if u've any idea about ur generator torque and blade inertia, then u can find the rpm of the ur rotor at desired TSR, so giving same inputs to fluent, the aerodynamic moment of ur rotor/blade u get is equal to ur torque.

 January 6, 2006, 00:50 Re: What's the meaning of Cm (moment coefficient)? #5 Pathway Guest   Posts: n/a Thank you so much. And I will try the method you said.

 January 6, 2006, 03:45 Re: What's the meaning of Cm (moment coefficient)? #6 Bunmi Guest   Posts: n/a Cm is the convergence history of your moment

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