Computation validation on lateral jet interactions at supersonic speeds
by Patrick Gnemmi; Patrick Gruhn; Michel Leplat; Christophe Nottin; Stefan Wallin
International Journal of Engineering Systems Modelling and Simulation (IJESMS), Vol. 5, No. 1/2/3, 2013

Abstract: The objectives of the present Action Group AD/AG-48 of the 'Group for Aeronautical Research and Technology in EURope' (GARTEUR) on 'Lateral jet interactions at supersonic speeds' is to deeply analyse the effects of the hot-gas jet by the use of CFD simulations. At the end, the main goal is to define the most appropriate similarity parameters for wind-tunnel tests using cold gases. Experiments from DLR Cologne and ONERA/MBDA-France on generic missile models are used in order to achieve numerical simulations of the interaction between a lateral jet and a supersonic cross flow of a missile. These experiments using either a cold-air jet or a hot-gas jet, the latter produced by the combustion of a solid propellant, are well documented and the data are used for the validation of the numerical simulation using either an ideal gas or a multi-species fluid, respectively. The objective of the present work is only the validation of the numerical simulations by comparison with the DLR and ONERA/MBDA-France experiments. The action group members use the same computational meshes for the comparison of the numerical results got from different CFD codes solving 3D, turbulent, RANS equations.

Online publication date: Fri, 29-Aug-2014

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