Development of a wind tunnel test section with adaptive flexible walls for three-dimensional flow
Abstract
Adaptive wall wind tunnels for 3D transonic testing are described. A test section with eight flexible solid walls with shape adaptable to streamline curvature was built. A computer program was developed to calculate a 3D wall contour from a measured 3D wall pressure distribution and an automatic control device for adjusting and controlling the wall positions was also developed. Pressure measurements using a body of revolution and three-component force measurements for a wing body combination were made. Test results confirm the constructional conception and the working principle of the system.
- Publication:
-
Final Report
- Pub Date:
- October 1983
- Bibcode:
- 1983tub..rept.....G
- Keywords:
-
- Adaptive Control;
- Three Dimensional Flow;
- Transonic Wind Tunnels;
- Wind Tunnel Walls;
- Computer Systems Programs;
- Laminar Flow;
- Pressure Measurement;
- Reynolds Number;
- Fluid Mechanics and Heat Transfer