Summary
In order to achieve a better understanding of launcher base flow phenomena like base aerothermal heating caused by the nozzle plume external flow interaction at flight relevant conditions, the Liquid Fly Back Booster (LFBB) configuration has been used as reference. The under expanded flow condition of the Vulcain 3 engine at an altitude of about 50 km has been considered as baseline of the nozzle design. Since the flight parameter cannot be duplicated in the windtunnel H2K and a parametric study on the influence of all main parameters was necessary, nozzles with different expansion ratios have been specified and operated at different operation conditions during windtunnel tests.
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Sippel, M., Herbertz, A. (2008). System Requirements on Investigation of Base Flow/Plume Interaction. In: Gülhan, A. (eds) RESPACE – Key Technologies for Reusable Space Systems. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 98. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-77819-6_2
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DOI: https://doi.org/10.1007/978-3-540-77819-6_2
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-77818-9
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