Technical Guide to the UTAD-2 Wind Tunnel
2. UTAD-2 Wind Tunnel
2.1 Location
UTAD-2 wind tunnel is one of the facilities of the Aerodynamic Research Center of National Aviation University, which is situated in building #9 (click here to see NAU campus scheme).
2.2 General description
UTAD-2 is an atmospheric low speed wind tunnel of closed-return type with free-flow elliptical test section 750 mm wide, 420 mm high, and 900 mm long. The fan located in the diffuser is driven with 4 kW DC electric motor with electronic control system, which provide a sustained air velocity of 3.5...28 m/sec. Wind tunnel is constructed from wood, internal surface is filled with putty and painted.
| Wind tunnel type | Atmospheric, closed return |
| Test section | Open (free flow), elliptical, 750 mm wide, 420 mm high, and 900 mm long,
section area 0.23 m2 |
| Free-stream velocity | 3.5 - 28 m/sec |
| Angle angle-of-attack range | -20 - +40o |
Acceptable object dimensions:
wing span
wing area
equivalent diameter of bluff bodies |
0.5 m
0.02 m2
0.01 m |
2.3 Control Console
Control console is located on the desk near the test section and provide drive ON/OFF switching and continuously variable air velocity control and stabilization. Data acquisition and processing system is placed in a cabinet close to console and provide data measuring and processing.
2.4 Workshop
A fitter's bench is installed in the wind tunnel hall for jobbing. A workshop of TAD-2 wind tunnel is available for models manufacturing and repair if necessary.
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