This paper takes the self-designed screw propulsion vehicle as object,investigates the performance parameters of the propelling screw drum,adopts EDEM for establishing screw drum-sand discrete element contact simulation model to obtain propulsion force conditions on the sand particles under different screw lift angles,and analyzes the propulsion force conditions of the screw drum under different screw lift angles in the case of sandy land.The results show that while applying the same diameter and blade height,the screw drum with a screw lift angle of 30°～40°has better propulsion capability in sandy land.
关键词
螺旋推进/离散元仿真/沙质环境/螺旋升角/推进力
Key words
Screw propulsion/discrete element simulation/sandy land/screw lift angle/propelling force
维普
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