In order to evaluate the aerodynamics layout and flight performance of aircraft,an aerodynamic coefficient measuring method with moving model is proposed,and a moving model measuring system is developed to simulate the motion of the aircraft in the air,it is mainly composed of the carrier,measuring support,six-component balance,wind speed measurement module,data ac-quisition module,control module,portable computer and other parts;The measuring system can accurately simulate the flight state of the vehicle under certain specific conditions,implement the real-time measurement of the flow field coefficients and load on the model,and predict the aerodynamic characteristics of the vehicle in various motion states;Compared with the numerical simulation analysis and wind tunnel experiments on the vehicle test data,the results show that the measuring system can accurately obtain the aerody-namic characteristics data of the model.The system has certain scalability and versatility,and it is useful for other carriers such as rocket sleds to carry out the aerodynamic coefficient measurements of high-speed moving model.
维普
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