Hybrid inverse/optimization design method for rigid coaxial rotor airfoils considering reverse flow
Abstract
Double-ended airfoils with round leading and trailing edges outperform conventional round-nose and sharp trailing-edge airfoils when used for the inboard part of a rigid coaxial rotor operating in forward flight, as reverse flow can occupy 80% surface of the retreating blade. However, aerodynamic design optimization for this kind of airfoils is challenging, since it is required to achieve drag reduction over a wider lift range in both forward...
Paper Details
Title
Hybrid inverse/optimization design method for rigid coaxial rotor airfoils considering reverse flow
Published Date
Dec 1, 2019
Volume
95
Pages
105488 - 105488
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