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Micro Air Vehicles Laboratory. MAV Laboratory is located in room N341N in the Department of Aerospace and Mechanical Engineering at the University of Arizona. The mission of the Laboratory is to provide researchers with the space, equipment, and tools for the design, fabrication, and testing of aircraft structures. The laboratory’s space is 3600 sq. ft. The laboratory houses the following research facilities: a wing loading setup; composite part manufacturing equipment, test stands to facilitate studies of power plants, navigation, and controls of aerial vehicles. The experimental work is supported by the professional AME machine shop (3 full-time staff) equipped with several manual/CNC routers/mills/lathes and a composite machining laboratory.



University of Arizona Wind Tunnel. A new closed-return subsonic wind tunnel was recently installed in the Aerospace and Mechanical Engineering Department with funding from AFOSR and the University of Arizona. This multi-purpose, optically accessible facility has a 3ft by 4ft test section and a maximum tunnel speed of ~80 m/s (Remax≈5x106 m-1) with mean flow uniformity better than +/-1%. A key feature of the tunnel is the 450-horsepower two-stage pneumatically controlled pitch axial fan with two 250 HP TEAO motors. It allows adjustment of freestream conditions by fan rev/min or blade pitch, or both. This is particularly useful for sensitive experiments that necessitate fine tuning of freestream conditions. Flow conditioning upstream of the 6:1 contraction section includes a high-aspect-ratio precision hexagonal-cell aluminum honeycomb with six seamless high-porosity stainless steel screens.




The wind tunnel project also includes state-of-the-art instrumentation. The majority of equipment is modular and expandable to support a wide variety of future test needs:

·       2D/stereoscopic/tomographic-capable PIV and DIC system (Lavision).

·       Miniaturized static pressure scanners (128 channels, Scanivalve ZOC33).

·       16 channel high bandwidth signal conditioning amplifiers (Ectron Model 563HL)

·       9 channel selectable low/high pass filters (Kemo Benchmaster 21M)

·       16 channel simultaneous sampling high-speed data acquisition system (NI PXIe).

·       4 channel constant temperature anemometry (CTA) system (Dantec Streamline Pro).

·      5 component external balance.


Micro Air Vehicles Wind Tunnel. The MAV wind tunnel facility is located in the room N221N in the Department of Aerospace and Mechanical Engineering. The tunnel is equipped with 7.5 HP motor powering the fan. The wind tunnel is a closed-loop tunnel that is capable of airspeeds up to 20 m/s. The wind tunnel test section is contained within a small room at ambient pressure to minimize potential disturbances on the flow. The nozzle outlet is 0.35 m by 0.45 m and it is 1.24 m away from the diffuser’s inlet. The contraction ratio is 4.5, and the turbulence level is 0.3%. An industrial frame set is installed in the test section (outside of the flow) to mount various experimental apparatus including: a robotic arm R12 by ST Robotics, an aerodynamic balance and a high-speed video system Phantom 9.1v. Forces and moments are measured by custom-designed 6-component micro external and sting balances. The tunnel is suited for the development and testing of small airframes, such as of Unmanned Air Vehicles.