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Numerical Investigation of the Unsteady Behaviour of Side Jet Induced Control Concepts

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New Results in Numerical and Experimental Fluid Mechanics XIV (STAB/DGLR Symposium 2022)

Part of the book series: Notes on Numerical Fluid Mechanics and Multidisciplinary Design ((NNFM,volume 154))

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Abstract

In this study, the performance of side jet control for two different altitudes (10 km/30 km) was numerically investigated and compared with the effectiveness of secondary injection thrust vector control for a supersonic missile at M = 6.2 and 7.0. This comparison also considered the behavior of the transient force signal caused by the side jet thrust increasing with time, resulting in a time delay between reaching the maximum side jet thrust and reaching the maximum control force. It was shown that, in contrast to thrust vector control, the performance of side jet control decreases with increasing altitude as a result of a less effective shock wave boundary layer interaction. With respect to this interaction, it was found that the boundary layer state has a great influence on this interaction and affects the induced force to a certain extent.

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Notes

  1. 1.

    It should be noted that different Mach numbers were examined for different altitudes.

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Authors and Affiliations

  1. Institute of Aerodynamics and Flow Technology, German Aerospace Center (DLR), Bunsenstraße 10, 37073, Göttingen, Germany

    Christian Schnepf

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  1. Christian Schnepf
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Correspondence to Christian Schnepf .

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Editors and Affiliations

  1. Institut für Aerodynamik und Strömungstechnik, Deutsches Zentrum für Luft- und Raumfahrt e. V., Göttingen, Germany

    Andreas Dillmann

  2. Airbus Defence and Space GmbH, Manching, Bayern, Germany

    Gerd Heller

  3. Institut für Aerodynamik und Gasdynamik, Universität Stuttgart, Stuttgart, Baden-Württemberg, Germany

    Ewald Krämer

  4. Institut für Aerodynamik und Strömungstechnik, Deutsches Zentrum für Luft- und Raumfahrt e. V., Göttingen, Niedersachsen, Germany

    Claus Wagner

  5. ILR - Aerodynamik, Technische Universität Berlin, Berlin, Germany

    Julien Weiss

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Schnepf, C. (2024). Numerical Investigation of the Unsteady Behaviour of Side Jet Induced Control Concepts. In: Dillmann, A., Heller, G., Krämer, E., Wagner, C., Weiss, J. (eds) New Results in Numerical and Experimental Fluid Mechanics XIV. STAB/DGLR Symposium 2022. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 154. Springer, Cham. https://doi.org/10.1007/978-3-031-40482-5_62

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  • DOI: https://doi.org/10.1007/978-3-031-40482-5_62

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-031-40481-8

  • Online ISBN: 978-3-031-40482-5

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