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Airfoils at low speeds
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The article was published on 1989-01-01 and is currently open access. It has received 169 citations till now.read more
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Proceedings ArticleDOI
Experimental assessment of the noise generated at the leading edge of porous airfoils using microphone array techniques
TL;DR: In this article, the authors performed detailed acoustic measurements on the noise generation at the leading edge of porous airfoil models in an open jet wind tunnel using microphone array measurement techniques and three-dimensional beamforming algorithms.
Journal ArticleDOI
Symbolic regression modeling of noise generation at porous airfoils
Ennes Sarradj,Thomas F. Geyer +1 more
TL;DR: In this paper, the authors applied symbolic regression to find empirical models that describe the noise generation at porous airfoils, where both the self noise from the interaction of a turbulent boundary layer with the trailing edge of an airfoil and the noise generated at the leading edge due to turbulent inflow were considered.
Journal ArticleDOI
Design and Implementation of a Hybrid UAV With Model-Based Flight Capabilities
Yijie Ke,Kangli Wang,Ben M. Chen +2 more
TL;DR: This paper presents a systematic design methodology from bottom up for an innovative tail-sitter UAV platform, named J-Lion, and demonstrates the effectiveness of the design concept and methodology.
Journal ArticleDOI
Design of small horizontal axis wind turbine for low wind speed rural applications
A.V. Suresh,S. Rajakumar +1 more
TL;DR: In this paper, a 2.5kW small scale horizontal axis wind turbine with rotor radius of 1.8m and tip speed ratio of 6 was designed to work at low wind speed for rural applications.
Journal ArticleDOI
Variation of leading-edge suction during stall for unsteady aerofoil motions
TL;DR: The leading-edge suction force at the leading edge of a round-nosed aerofoil is an important indicator of the state of the flow over the leading- edge and, often, the entire aero-oil.