Arizona Low-Speed Wind Tunnel

ALSWT was installed in 2013 with funding from AFOSR and the University of Arizona. It is a closed return, low-turbulence that supports multiple PIs in fields such as transition, flow control, turbulence, wind energy, and more.


Tunnel operating parameters

Parameter Units Range
Max flow velocity m/s (mph) 80 (180)
Max unit Reynolds number 106 m-1 (106 ft-1) 5.0 (1.5)
Test section size (L×W×H) m (ft) 0.9×1.2×3.65 (3×4×12)
Mean flow uniformity % ±0.5
Turbulence intensity (DC–10 kHz) % <0.15
Turbulence intensity (1 Hz–10 kHz) % <0.05
Temperature control °C (°F) ±0.5 (±0.9)