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http://dx.doi.org/10.5139/JKSAS.2010.38.11.1049

Aerodynamic Optimization of Helicopter Blade Planform (I): Design Optimization Techniques  

Kim, Chang-Joo (건국대학교 항공우주정보시스템공학과)
Park, Soo-Hyung (건국대학교 항공우주정보시스템공학과)
O, Seon-Gu (건국대학교 항공우주정보시스템공학과 대학원)
Kim, Seung-Ho (한국항공우주연구원)
Jeong, Gi-Hun (한국항공우주연구원)
Kim, Seung-Beom (한국항공우주연구원)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.38, no.11, 2010 , pp. 1049-1059 More about this Journal
Abstract
This paper treats the aerodynamic optimization of the blade planform for helicopters. The blade shapes, which should be determined during the threedimensional aerodynamic configuration design step, are defined and are parameterized using the B$\acute{e}$zier curves. This research focuses on the design approaches generally adopted by industries and or research institutes using their own experiences and know-hows for the parameterization and for the definition of design constraints. The hover figure of merit and the equivalent lift-to-drag ratio for the forward flight are used to define the objective function. The resultant nonlinear programming (NLP) problem is solved using the sequential quadratic programming (SQP) method. The applications show the present method can design the important planform shapes such as the airfoil distribution, twist and chord variations in the efficient manner.
Keywords
Helicopter Blade; Rotor Planform; Aerodynamic Optimization;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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