Tandem Test Sections
Facility
Click on an icon to reveal more
Low Speed Tunnel
Capabilities & Features
V/STOL
• 100 mph top speed
• 26 psf dynamic pressure
• 26 feet wide by 30 feet high by 63 feet long
Conventional Low Speed
• 200 mph top speed
• 105 psf dynamic pressure
• 23.25 feet wide by 16.25 feet high by 43 feet long
• Acoustic environment – Extensive upgrades bring overall sound pressure levels to 66.1 dBA at 70 mph
• 9000 horsepower electric motor
• Six-blade, 39 feet diameter fan
• Fixed-pitch, variable RPM to set tunnel speeds
Strut/Floor-Mounted Models
Weigh Beam Floor Balance
• Large-capacity / high-accuracy external (under floor) force and
moment measurement
• Supports strut-mounted or semi-span aerospace models and
full-scale automotive applications
• Working Ranges:
• Lift
• Drag
• Pitching Moment
• Side Force
• Yawing Moment
• Rolling Moment
Sting-Mounted Models
Sting Support Systems
• Hydraulically actuated mechanical support for sting
mounted aerospace models
• 90° of pitch range with ±30° yaw range, or
• 150° of pitch range without yaw
• Floor to ceiling vertical translations
Propulsion Simulation
Compressed Air
Instrumentation
Steady State Data Acquisition System
• Pacific Instruments PI6000 conditioning, acquisition,
and control
• Acquired data are transferred to dual network servers for
online reduction, listing, and plotting
Drive System
Yaw Turntable
• ±180° of rotation introduces sideslip to strut or floor-mounted
test articles
• Ceiling mounted turntable available to mirror floor motion for
image testing
• Configurable for one, two , or three wind-shielded supports
• Nominally ±60° of pitch incidence available
Model Struts
• Removable panels used in conjunction with sting
mounted aerospace models to assess in-ground effects performance
• 8-, 12-, or 16-feet plane length, spans entire test
section width
Ground Plane
• High-pressure pneumatics can be routed to the test section
for numerous test scenarios, including propulsion
simulation and jet-effects testing
• Serviced by a 300 psi air compressor and desiccant dryer
system at 20 lbm/s
• Optional inline 600 kW heater to prevent secondary
model icing
• Two on-site 60 to 400 Hz motor-generator sets
• 0.4 to 2.0 volts per cycle
• Up to 240 horsepower per set
Powered Models
• 16 available signal-conditioned channels with various
filtering options
• Up to 200 kHz sampling rates per channel
Dynamic Data Acquisition System
• Large quantities of pressure taps can be measured using solid-state scanning units
• ±1, 5 or 25 psid modules available
Pressure Scanning
• Test section equipped with 8 tilt/pan/zoom capable video cameras for complete model/vehicle observation
Video Monitoring
±10,000 lbf
±1,500 lbf
±10,000 ft-lbf
±10,000 lbf
±10,000 ft-lbf
±30,000 ft-lbf