Aerodynamic Cell Design for Air Load Measurements on High Aspect Ratio Airfoils

Fellouah, Hachimi

doi:10.4271/2013-01-2286

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2014

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“…The model positioning mechanism (alpha mechanism) construction has to take into account objectives, including precise manufacturing, minimal flow influence, ergonomics and as simple design as possible etc. [1] - [6].…”

Section: Introductionmentioning

confidence: 99%

Multipurpose Alpha Mechanism for the Open-jet Wind Tunnel

Urbahs

Titovs

Urbaha

et al. 2014

Transport and Aerospace Engineering

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-The present paper deals with main problems and specifics of engineering, configuration, and considers the use of model positioning mechanism in a wind tunnel. Traditionally, this type of model positioning system is called an alpha mechanism. The main function of alpha mechanism is to adjust an angle of attack (α) and sliding angle (β) for an object of aerodynamic research. This paper describes the optimal configuration of alpha mechanism for AERTI T-4 wind tunnel with appliance of CAD and CAM technologies. Also, the paper considers the possibility of improving an alpha mechanism for a wide range of aerodynamic studies.

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Section: Introductionmentioning

confidence: 99%