Low-Speed Wind Tunnel (3'x4')
Located in the Wallace Hall Annex (Room 140)

The 3-foot by 4-foot Low-Speed Wind Tunnel is an experimental facility in the Department
of Aerospace Engineering within the College of Engineering at WSU. The wind tunnel
is an atmospheric, open return, closed-throat, subsonic wind tunnel. There are two
testing sections available, including:
- A 7-foot by 10-foot upstream test section.
- A 3-foot by 4-foot main test section, which is open to student class projects, senior
capstone projects and undergraduate and graduate student research, as well as industry
projects.
Additional Information
Specifications
Upstream Test Section
- Dimension (W/H/L): 2.1 x 3 x 4.9 m. (7 x 10 x 16 ft)
- Maximum Dynamic Pressure: 40 Pa. (0.8 psf)
- Maximum Flow Speed: 8 m/s. (26 ft/s)
Main Test Section
- Dimension (W/H/L): 0.9 x 1.2 x 3.6 m. (3 x 4 x 12 ft)
- Maximum Dynamic Pressure: 1500 Pa (32 psf) Regular / 1800 Pa (38 psf) with limited
run time.
- Maximum Flow Speed: 50 m/s (164 ft/s) Regular / 55 m/s (180 ft/s) with limited run
time.
- Turbulence Intensity: ~ 0.2% Measured by Hotwire Anemometry at 15 m/s.
- 2 Axis Sting Mount: +/- 22 Pitch and +/- 45
Test Equipment
Six Axis Force Balance
2 x ATI Mini-40 IP 68
- SI-40-2
- Maximum Force Loading: 40 N (X, Y) 120N (Z)
- Force Resolution: 1/100 N
- Maximum Torque Loading: 2 N.m (X, Y, Z)
- Torque Resolution: 1/4000 N.m
- SI-80-4
- Maximum Force Loading: 80 N (X, Y) 240N (Z)
- Force Resolution: 1/50 N
- Maximum Torque Loading: 4 N.m (X, Y, Z)
- Torque Resolution: 1/2000 N.m
ATI Mini-45
- SI-145-5
- Maximum Force Loading: 145 N (X, Y) 290N (Z)
- Force Resolution: 1/16 N
- Maximum Torque Loading: 5 N.m (X, Y, Z)
- Torque Resolution: 1/752 N.m
- SI-580-20
- Maximum Force Loading: 580 N (X, Y) 1160N (Z)
- Force Resolution: 1/4 N
- Maximum Torque Loading: 4 N.m (X, Y, Z)
- Torque Resolution: 1/188 N.m
Hotwire Anemometry
- 2 x Dantec Mini-CTA with Thin-coated and Heavy-coated Hotwire Prob.
- TSA Hot-fiber Film Anemometer.
Pressure Transducer
- Scanivalve MPS 4216 Miniature Pressure Scanners (16 Channel)
- Maximum Pressure: 2000 Pa
- 14 Channel Pressure Sensor
Questions?
If you have questions about the Low-Speed Wind Tunnel or would like to utilize the
3-foot by 4-foot testing section, you may call the Department of Aerospace Engineering
at (316) 978-3410 or contact Dr. Jielong "Jacky" Cai or Dr. Suresh Keshavanarayana.