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11-Foot Transonic Unitary Plan Facility Data Acquisition

Space Launch System (SLS) vehicle with Pressure Sensitive Paint (PSP) ready to be tested in the Ames UPWT 11-by-11-foot Transonic Wind Tunnel test section, T11-0377 at NASA’s Ames Research Center in Silicon Valley, CA.
NASA / Dominic Hart

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Data Acquisition and Processing

Steady-State Data System

Sytem: Analog. Number of Channels: 48. Sample Frequency: 1000Hz.

Sytem: Digital Input. Number of Channels: 16. Sample Frequency: Test Dependent.

Sytem: Force Balances. Number of Channels: 32. Sample Frequency: 1000Hz.

Sytem: Pressures. Number of Channels: 2048. Sample Frequency: 20Hz.

Sytem: Temperatures. Number of Channels: 60. Sample Frequency: 100Hz.

Time Variant Data System (High Speed)

Sytem: Analog Channels. Number of Channels: 160. Sample Frequency: 20 KHz bandwidth.

Sytem: Force Balance Channels. Number of Channels: 160. Sample Frequency: 80 KHz bandwidth.

Classified Capability Available (Secret/SAR)

Instrumentation

Strain Gauge Balances: 6-component (full-span)

Angle-of-Attack (AOA) Accelerometers: ±15° with offsets to +45°

Available Corrections:

Interactions
Temperature effects
Attitude tares
Axes orientation
Pressure tares
Momentum (flow) tares
Wall Interference

11-Foot Transonic Unitary Plan Facility Fact Sheet

AETC Transonic Facilities

AETC Ground Facilities

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Last Updated
Jul 25, 2023
Editor
Lillian Gipson
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