Aerothermodynamic Investigation of the Pre-X Configuration in HEG

  • Jan Martinez Schramm
  • Bodo Reimann
Part of the Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM) book series (NNFM, volume 96)


During the past years, the Centre National d’Etudes Spatiales (CNES) has initiated several studies concerning the first generation experimental vehicle Pre-X, which is dedicated to mastering glided atmospheric re-entry. CNES has committed at the beginning of 2005 to an important phase with the objective of reaching a preliminary design review by mid 2006. In the framework of phases A2 and B of the Pre-X program the German Aerospace Center (DLR) carried out wind tunnel experiments on a scaled Pre-X vehicle in the High Enthalpy Shock Tunnel Gottingen (HEG) as well as numerical investigations using the DLR TAU code. For a 20° body flap deflection, transitional reattachment was experimentally observed. Additionally, the experiments and the CFD indicated a heating region at the end of the flaps that originated from the impingement of the interference between the bow shock and the shock created by the re-attachment.


High Enthalpy Shock Tunnel Wind Tunnel Model Flap Deflection Flap Angle 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Jan Martinez Schramm
    • 1
  • Bodo Reimann
    • 2
  1. 1.German Aerospace Center (DLR)Institute of Aerodynamic and How TechnologyGöttingenGermany
  2. 2.BraunschweigGermany

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