Comparison between methods of generation of waveriders derived from conical flows

Bruno Mangin; Amer Chpoun; Richard Benay; Bruno Chanetz

doi:10.1016/j.crme.2006.01.003

Comparison between methods of generation of waveriders derived from conical flows

Presented by: Sébastien Candel

Bruno Mangin ¹ ; Amer Chpoun ¹; Richard Benay ²; Bruno Chanetz ²

¹ Laboratoire d'aérothermique, CNRS, 1C, avenue de la recherche scientifique, 45077 Orléans, France
² ONERA DAFE, 8, rue des Vertugadins, 92190 Meudon, France

Comptes Rendus. Mécanique, Volume 334 (2006) no. 2, pp. 117-122.

Abstract
Résumé

Waveriders are supersonic or hypersonic lifting configurations which are generated from a known flowfield, preventing leakage from the high-pressure undersurface to the uppersurface, and allowing high lift-to-drag ratios. A method based on an Euler code is used to study waveriders generated from the flow field around axisymmetric bodies. In the case of a cone, the results are compared with those given by the Taylor–Maccoll system and inviscid hypersonic small-disturbance theory. In the present study conditions at Mach 5, the last method paradoxically works at high cone angles (greater than 10°) while the best lift-to-drag ratio are obtained with small angles.

Les waveriders sont des configurations portantes supersoniques ou hypersoniques qui sont générées à partir d'un écoulement connu empêchant tout déversement latéral de la zone haute pression de l'intrados vers l'extrados assurant ainsi de hautes finesses. Une méthode utilisant un code Euler est utilisée pour étudier des waveriders créés à partir d'écoulements axisymétriques. Dans le cas du cône, les résultats sont comparés avec ceux du système de Taylor–Maccoll et de la théorie des petites perturbations hypersoniques. Dans les conditions de la présente étude à Mach 5 la dernière méthode fournit paradoxalement des résultats comparables à ceux de Taylor–Maccoll aux grands angles de cône (supérieurs à 10°) tandis que la meilleure finesse est obtenue pour de petits angles.

Received: 2005-09-23
Accepted: 2006-01-10
Published online: 2006-02-01

DOI: 10.1016/j.crme.2006.01.003

Keywords: Fluid mechanics, Hypersonic, Waveriders, Cone, Small-disturbances, Lift-to-drag ratio
Mots-clés : Mécanique des fluides, Hypersonique, Waveriders, Cône, Petites perturbations, Finesse

Author's affiliations:

Bruno Mangin ¹; Amer Chpoun ¹; Richard Benay ²; Bruno Chanetz ²

¹ Laboratoire d'aérothermique, CNRS, 1C, avenue de la recherche scientifique, 45077 Orléans, France
² ONERA DAFE, 8, rue des Vertugadins, 92190 Meudon, France

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     author = {Bruno Mangin and Amer Chpoun and Richard Benay and Bruno Chanetz},
     title = {Comparison between methods of generation of waveriders derived from conical flows},
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     language = {en},
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Bruno Mangin; Amer Chpoun; Richard Benay; Bruno Chanetz. Comparison between methods of generation of waveriders derived from conical flows. Comptes Rendus. Mécanique, Volume 334 (2006) no. 2, pp. 117-122. doi : 10.1016/j.crme.2006.01.003. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2006.01.003/

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