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Experimental Investigation of the Flow Field in the Close Wake of a Simplified C-130 Shape: a Model Approach of Airflow Influence on Airdrop

Bury, Yannick and Morton, Scott A. and Charles, Richard Experimental Investigation of the Flow Field in the Close Wake of a Simplified C-130 Shape: a Model Approach of Airflow Influence on Airdrop. (2008) In: 26th AIAA Applied Aerodynamics Conference, 18-21 Aug 2008, Honolulu, Hawaii .

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Official URL: http://arc.aiaa.org/doi/pdf/10.2514/6.2008-6415

Abstract

This paper focuses on the experimental characterization of the vortices structure in the aft fuselage region and in the wake of a simplified geometry of a military transport aircraft. It comes within the framework of the military problematics of airflow influence on airdrop operations. This analysis relies on high-accuracy three-components PIV measurements. An original tool, dedicated to vortex identification and characterization, was developed and successfully applied to the PIV databases obtained for two airdrop configurations: closed cargo- door and ramp, and opened cargo-door and ramp. A complex vortices dynamics is revealed and precisely described, in terms of vortices positions, intensities, sizes, shapes and turbulence levels.

Item Type:Conference or Workshop Item (Paper)
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution: Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE
Other partners > United States Air Force - USAF (USA)
Other partners > U.S. Army Natick Soldier Research (USA)
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Laboratory name:
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Deposited By:Yannick Bury

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