Hypersonic Wind Tunnel

Hypersonic Wind Tunnel

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15 inch diameter freejet
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Direct Connect Exhaust
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Hypersonic Inlets
Hypersonic Wind Tunnel

Aerodynamic Studies

The Calspan Channel 9 Hypersonic Test Facility is presently configured with a 15 inch diameter freejet nozzle for aerodynamic flow studies. Mach numbers may be set between M = 6.5 and M = 9.5.

  • High pressure air (2500 psia) passes through a cored brick regenerative heater
  • Flow is mixed with cool air from storage to produce the desired operating temperature.
  • A fast opening “hot valve” initiates and terminates the flow.
  • An exhaust system consisting of a diffuser, aftercooler, and 33,000 ft3 vacuum sphere provides the pressure ratio to maintain test conditions.

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