Application of laser velocimetry to unsteady flows in large scale, high speed tunnels
Abstract
The optical, seeding, and data reduction procedures which have been used in the successful application of laser velocimetry to large-scale, unsteady, transonic wind-tunnel testing are described. Flowfield measurements obtained at several facilities are presented. These results include vortex flow measurements and ensemble-averaged data obtained under conditions of vortex-shedding, dynamic stall airfoil oscillation, oscillating trailing-edge control flaps, and helicopter rotor flow fields.
- Publication:
-
IN: ICIASF '83; International Congress on Instrumentation in Aerospace Simulation Facilities
- Pub Date:
- 1983
- Bibcode:
- 1983icia.cong..237O
- Keywords:
-
- Laser Doppler Velocimeters;
- Separated Flow;
- Transonic Wind Tunnels;
- Unsteady Flow;
- Wind Tunnel Apparatus;
- Anechoic Chambers;
- Data Reduction;
- Flow Distribution;
- Flow Measurement;
- Time Dependence;
- Vortices;
- Fluid Mechanics and Heat Transfer