Air Force engineers tested a novel hypersonic cruise vehicle design in a wing tunnel in White Oak, Md., according to an Aug. 25
They put a scaled twin scramjet-powered vehicle model through the paces
in a series of integrated aerodynamic and aerothermal tests in the
Arnold Engineering Development Complex’s Hypervelocity Wind Tunnel 9,
states the release. This type of vehicle design “had never been explored
before,” said Douglas Dolvin, the Air Force Research Lab’s manager for
the Hypersonic International Flight Experimentation, or HIFEX, program.
It’s a joint US-German effort to mature technologies that could be part
of a future hypersonic space-access vehicle or an ultra-fast cruise
missile. "The high-quality optical instruments and the measurements
technologies employed, including extensive use of temperature sensitive
paints, proved to be instrumental in capturing unsteady aerodynamic
phenomena that have never been characterized before and formulating an
understanding of complex interactions," said Dolvin.
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