You are here

Low-Turbulence Wind Tunnel

Facility Specifications

  • Closed-return wind tunnel.
  • 50 hp, variable-speed DC motor with 5' (1.52 m)-diameter, 5-bladed fan driven by a 480 volt AC source.
  • Speed range:  11-101 mph (5-45 m/s).
  • 10:1 contraction ratio.
  • ±0.05% turbulence level, 5 Hz cutoff frequency.
  • Test section:  2'x4' (0.61x1.22 m) cross-section of length 19.6' (6 m) with optical access on near and far side walls.
  • Interchangeable flat-plate test section for boundary layer studies with plate chord of 18' (5.5 m).

Associated Instrumentation

  • 3-axis, computer-controlled traverse with probe holder (Pitot tube, Preston tube, hot wires).
  • Assortment of hot-wire probes, including hot-wire repair equipment.

Contact:  Prof. Jim Gregory (gregory.234@osu.edu; 614-292-5024)