Hyper-X Flight Engine Ground Testing for Flight Risk Reduction

  • Huebner L
  • Rock K
  • Ruf E
 et al. 
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Airframe-integrated scramjet engine testing has been completed at
Mach 7 flight conditions in the NASA Langley 8-foot High Temperature
Tunnel as part of the NASA Hyper-X program. This test provided engine
performance and operability data, as well as design and database
verification, for the Mach 7 flight tests of the Hyper-X research
vehicle, which will provide the first-ever airframe-integrated scramjet
data in flight. The Hyper-X Flight Engine, a duplicate Mach 7 scramjet
engine for flight, was mounted on an airframe structure that replicated
the entire three-dimensional propulsion flowpath from the vehicle
leading edge to the vehicle trailing edge. This model was also tested
to verify and validate the complete flightlike engine system. The
subsystems that were subjected to flightlike conditions are described,
and supporting data are presented. The results from this test help
to reduce risk for the Mach 7 flights of the Hyper-X research vehicle.

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  • Lawrence D. Huebner

  • Kenneth E. Rock

  • Edward G. Ruf

  • David W. Witte

  • Earl H. Andrews

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