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针对高轨气象卫星的远地点发动机点火过程中贮箱内液体晃动与星体耦合动力学问题,根据流体力学及小幅液体晃动理论,建立可等效的液体晃动力学模型和姿态耦合动力学模型,分析了大型平铺贮箱内液体晃动产生的干扰力矩。研究表明:在远地点发动机点火阶段,液体晃动对卫星将产生较大干扰力矩。
According to the fluid mechanics and small liquid sloshing theory, an equivalent liquid sloshing mechanics model and attitude coupling dynamics model are established for the problem of liquid sloshing and astral coupling in the tank during ignition of a high-orbit meteorological satellite at apogee. Interference torque generated by the sloshing of liquid in large tiled storage tanks. The results show that the rocking of the satellite will produce a large disturbance torque in the ignition stage of the apogee engine.