Technical Guide to the UTAD-2 Wind Tunnel
4. Test Section
Test section of UTAD-2 wind tunnel is of open type, elliptical cross section 750 mm wide, 420 mm high, and 900 mm long. Testing conditions correspond to those in tunnel hall: temperature 17...28 centigrade, atmospheric pressure 720...760 mm hg.
Free-stream velocity in the empty test section is continuously variable from 3.5 to 28 m/sec. Turbulence intensity is 2.4%.