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Schlieren image of the Large-Scale Low-Boom (LSLB)
Test section of the 9- by 7-foot Unitary Plan Supersonic Wind Tunnel
Polystyrene Particles (PSL’s)

Test Technology: Flow Measurement

Flow measurement focuses on the movement of a fluid around a model, rather than how the model responds to the fluid.

Learn More About Flow Measurement about Test Technology: Flow Measurement

Focus Areas and Capabilities

Learn more about the specifications and capabilities of this facility.

Schlieren image of the Large-Scale Low-Boom (LSLB)

Quick Facts

Common means of flow measurement include: Schlieren imaging, Particle Image Velocimetry (PIV), Boundary-layer measurements, Hot-wire anemometry. These techniques may provide information on many different flow characteristics.

Test section of the 9- by 7-foot Unitary Plan Supersonic Wind Tunnel

Techniques

NASA's flow measurement techniques involve different types of instrumentation. These techniques, as well as the information that is acquired, can then be applied in new ways to different situations to provide additional capabilities for research and design.

Polystyrene Particles (PSL’s)

Capabilities

Test Technology has the capability to provide different forms of information that may come from known flow measurement techniques. New information and new usages that come from existing techniques may result in system improvements for both research and design.

AETC Test Technologies

Test Technology supports ATP by keeping NASA’s research test facilities and flight assets moving into the future.

As the world’s technologies continue to improve and research requirements become more demanding, Test Technology provides new and improved capabilities for measuring pressure, temperature, angle, strain, and air flow.

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Open-rotor Propulsion Rig, painted with Pressure-Sensitive Paint (PSP) and ready for testing.
Open-rotor Propulsion Rig, painted with Pressure-Sensitive Paint (PSP) and ready for testing.