Questions tagged [aerodynamics]

Use with questions about the interaction of air with and around parts of an unmanned aircraft.

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How to calculate frictional losses in convergent nozzles and convergent-divergent nozzles?

I have searched up a lot of articles and papers relating the subject but not satisfied with the results. Most of them are showing the losses in pipes which I already know from Darcy-Wiesbach equations ...
Twisampati Roy Chowdhury's user avatar
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Effective Area estimation for drag calculation in coaxial quadrotor

I have a coaxial quadrotor with a propellor size of 34 inches & i want to calculate effective rotor area for drag calculation.what will be the area whether it is summation of both upper & ...
falcon's user avatar
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