- #1
JT673
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So I have a turbine falling through the air such that the free-body diagram for each of its rotor blades would look like:
http://img444.imageshack.us/img444/2504/freebodypy6.png [Broken]
And the whole turbine spins counterclockwise
I understand that for this case you can split drag into form drag and skin friction, but how is torque being done on the turbine if there's no net force done in the horizontal direction?
Does skin friction apply to the torque?
Thanks,
JT
http://img444.imageshack.us/img444/2504/freebodypy6.png [Broken]
And the whole turbine spins counterclockwise
I understand that for this case you can split drag into form drag and skin friction, but how is torque being done on the turbine if there's no net force done in the horizontal direction?
Does skin friction apply to the torque?
Thanks,
JT
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