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An Approximate Theoretical Approach for the Determination of Oscillatory Aerodynamic Coefficients for a Helicopter Rotor in Forward Flight
Published online by Cambridge University Press: 07 June 2016
Summary
A method is described for the determination of the oscillatory aerodynamic coefficients for a helicopter rotor in forward flight. The method treats the blades and the recirculating wakes on a three-dimensional basis, but certain approximations are made so that the problem is tractable. In particular it is assumed that the downwash effect of a wake sheet beneath the rotor can be represented by concentrating the doublet distribution in the sheet in a single line of doublets.
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- Copyright © Royal Aeronautical Society. 1962