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A workstation runs custom data-processing software that performs corrections for transducer excitation, ESP reference, wind-off data referencing, and specialized calculations.
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The 8-Foot High Temperature Tunnel (HTT) simulates true enthalpy at hypersonic flight conditions for testing advanced, large-scale, flight-weight aerothermal, structural, and propulsion concepts. The facility provides combustion-heated hypersonic blowdown-to-atmosphere simulation for Mach numbers of 4, 5, and 7 through a range of altitude from 50,000 to 120,000 feet.
The test section accommodates very large models, air-breathing hypersonic propulsion systems, and structural and thermal protection system (TPS) components. Stable test conditions can be provided for roughly 60 seconds. Additional simulation capabilities for ascent or entry-heating profiles are provided by a radiant-heater system. The combustion products of air and methane burned in a pressurized combustion chamber provide the high-energy test medium. Oxygen is added for air-breathing propulsion tests.
TPS and aerothermal-loads definition tests can be conducted by installing a model into a HTT-supplied panel holder. A sting attaches this panel holder to the curved strut-pitch system mounted on the model elevator, thus exposing the test article to the desired heating profile. Propellant fuels, such as gaseous hydrogen or liquid hydrocarbon and purge gases, are supplied to the test article by the facility.
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Above: Hypersonic model test in the 8-Foot High Temperature Tunnel at NASA Langley. |
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+ Read more about our capabilities... |
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NASA's ATP Program
Read about one of the largest, most versatile and comprehensive set of testing facilities in the nation.
+ View the fact sheet (PDF) |
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8-Foot High Temperature Tunnel
+ View the fact sheet (PDF) |
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"The right facility at the right time" - NASA Aeronautics Test Program |
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and Accessibility Certification