Abstract
The impact load of amphibious aircraft could be reduced efficiently by use of hydro-ski,and the load reducing effect of hydro-ski is obviously relevant with some motion parameters of the aircraft. General coupling method was used to simulate the water landing performance of an amphibious aircraft and the comparison between the calculated results and the model test ones was carried out to prove the effectiveness of the simulation method. The study analyzed the influence of hydro-ski touch attitude angle,aircraft touch horizontal velocity and vertical velocity on load reducing performance of the hydro-ski. Conclusion could be obtained that the influence of the above three factors on hydro-ski load reducing performance is relatively remarkable,and the impact load could be reduced more efficiently with the proper hydro-ski attitude angle and velocities.
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