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In: Mechanical Engineering

The vanes of a helicopter has an angular speed of 60r/min. There are three vanes with...

The vanes of a helicopter has an angular speed of 60r/min. There are three vanes with a length of 4.2 m and a width of 0.25m each. The air is at a temperature of 15ºC. Transition takes place at Recr = 3.2 e5 . Calculate the aerodynamic torque required to overcome skin friction.

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Expert Solution

Properties of air taken from below table

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samet mamat answered 1 year ago
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