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Preliminary application of a DGV system using a single intensified camera in a supersonic wind tunnel

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Abstract

A DGV system using a continuous wave Argon laser and an optical arrangement with a single intensified camera has been set up at the ISL blow-down supersonic wind tunnel. The first tests have been performed over a 12.5° 2D wedge at a freestream Mach number of 2. A mean velocity field has been calculated from 28 individual measurements. When compared to the theoretical velocity distribution, deviations of 8 % to 15 % have been obtained. Preliminary tests have also been performed on a missile-like model equipped with a lateral jet system. Individual as well as mean velocity fields are presented.

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Authors and Affiliations

  1. French-German Research Institute of Saint-Louis (ISL), 5, rue du Général Cassagnou, F-68300, Saint-Louis, France

    P. Wernert & Martinez B.

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  1. P. Wernert
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  2. Martinez B.
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Philippe Wernert: He studied aeronautics engineering at Ecole Nationale Superieure de Mechanique et d’Aerotechnique (ENSMA Poitiers in France) and received his Diplôme d’Ingénieur in 1989. After having joined the French-German Research Institute of Saint-Louis (ISL) in 1990, he did his graduate work at ISL and received his Doctorat (Ph. D. summa cum laude) from Université de Marseille in 1997. Since 1990, he is involved in the development and application of optical velocimetry techniques (LDA, PIV, DGV) to subsonic and supersonic wind tunnels. He is a member of the scientific committee of the French FLUVISU symposium (Flow Visualization and Image Processing).

Bastien Martinez: He studied aeronautics engineering at Ecole Nationale Superieure de Mechanique et d’Aerotechnique (ENSMA Poitiers in France) and received his Diplôme d’Ingénieur in 2000. He joined the French-German Research Institute of Saint-Louis (ISL) in 2001 and is now working on the development and application of Doppler Global Velocimetry to supersonic wind tunnels.

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Wernert, P., Martinez, B. Preliminary application of a DGV system using a single intensified camera in a supersonic wind tunnel. J Vis 8, 161–168 (2005). https://doi.org/10.1007/BF03181659

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  • DOI: https://doi.org/10.1007/BF03181659

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