FM01 Subsonic Open Circuit Wind Tunnel
Environmental Science Business Unit (ENV)
Pressure Calibration Lab Business Unit (PRS)
Educational Engineering Business Unit (ENG)
Materials Science Business Unit (MAT)
Educational Engineering Business Unit (ENG)
 

FM01 Subsonic Open Circuit Wind Tunnel

Open circuit wind tunnel is ideal for universities-classrooms and research, but noise may be high. Open circuit has only 10 to 15% more power requirement than that of close circuit, so it is not as inefficient as thought. Pusher’ configuration (fan is upstream of test section) is used because it is better than Sucker’ configuration (fan is downstream of test section) that test section static pressure is slightly higher than the room ambient pressure, flow is outward rather than inward, and easy to access the model from tunnel outlet is obtained.

Tunnel Specification

Wind Speed                     : 0 to 35 m/s

Velocity distribution        : Less than +/- 1.0% outside boundary layer

Mean turbulence level     : less than 0.7% r.m.s.

Test Section                     : 320 mm x 320 mm

Test Section Length         : 1000 mm

Side Window                   : 500 mm x 220 mm x 2 Nos. (Transparent)

Driving Motor                 : 11 kW with remote speed control