Design of lifting symmetric supercritical airfoils

Nandanan, M and Ramaswamy, MA (1985) Design of lifting symmetric supercritical airfoils. Technical Report. National Aeronautical Laboratory, Bangalore, India.

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Abstract

All the supercritical airfoils that have been designed todate to the best knowledge of the authors, have a reflex camber. An airfoil with camber is not beneficial if it needs to operate at supersonic speeds as may be the case for combat aircrafts. Also, an airfoil with camber is more difficult to manufacture. In view of the above factors, symmetric supercritical airfoils which are shock-free at the design free stream Hach number and lift coefficient, would be beneficial for application in combat aircraft and helicopter rotors. This paper demonstrates the feasibility of designing a symmetric supercritical airfoil which is shock-free.

Item Type: Monograph (Technical Report)
Uncontrolled Keywords: Symmetric supercritical airfoil;Combat aircraft shock free design;Off-design performance;Helicopter rotors;Lifting condition;Fictitious gas method
Subjects: AERONAUTICS > Aerodynamics
Depositing User: Users 90 not found.
Date Deposited: 28 Aug 2006
Last Modified: 24 May 2010 04:19
URI: http://nal-ir.nal.res.in/id/eprint/2590

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