Computation validation on lateral jet interactions at supersonic speeds. (1st January 2013)

• Record Type: Journal Article
• Authors: Gnemmi, Patrick; Gruhn, Patrick; Leplat, Michel; Nottin, Christophe; Wallin, Stefan
• Is Part Of: International journal of engineering systems modelling and simulation. Volume 5:Number 1/2/3(2013)
• Page Start: 68
• Page End: 83
• Publication Date: 2013-01-01
• Subjects: missile -- lateral jet -- hot-gas jet -- cold-air jet -- aerodynamics -- numerical simulation -- RANS computation -- numerical results -- experimental results; Engineering systems -- Computer simulation -- Periodicals; Engineering systems -- Mathematical models -- Periodicals; 620.0042
• Languages: English
• ISSNs: 1755-9758

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.