Aerodynamic Force Extraction from Shock Tunnel Measurements Using the Oscillation Identification Technique
Force measurements using internal balances in a hypersonic shock tunnel are contaminated by inertial forces exerted by model oscillations. It is essential to extract aerodynamic forces from oscillation-contaminated short-period measurement data. This paper proposes an oscillation identification technique method. It was assumed that the inertial forces are exponentially decreasing sinusoidal oscillations, and therefore a parameter-matching technique was applied to identify the oscillation characteristics. This method was verified by applying it to standard HB-2 model measurements.
- Transactions of the Japan Society for Aeronautical and Space Sciences
Transactions of the Japan Society for Aeronautical and Space Sciences 50(169), 169-174, 2007-11-04
THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES