New Measurement Method for Aerodynamic Force by a Single Video Camera
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概要
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A method of motion reconstruction from a image streak taken by a single video camera, and a procedure to calculate aerodynamic force and moment from the motion are proposed. In this method the motion of an object is separately measured with translational and rotational motion. For the translational motion, the size and its location of a moving object is used to get the instantaneous position of the object. For the rotational motion, the attitude of the object is calculated by tracking featured points on the object. In addition to accomplish the aerodynamic measurement by this method, an evaluation was done for the measurement errors in the aerodynamic force, which are caused from image distortion by aberration of a lens. A series of the experiments for the flying ball showed the validity of the proposed method and the aerodynamic characteristics of the flying ball were analyzed using this method.
- THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCESの論文
THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES | 論文
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