【摘要】 文章根据建立的降落伞充气过程中轴向和径向动量方程,研究了低密度大气中降落伞的开伞动载。通过计算并与高密度大气中开伞动载的比较,得出了低密度大气中开伞动载的特点。更多还原

【Abstract】 The equations of axial momentum and radial momentum are made during the presented inflation of parachute,and the parachute opening load in low atmospheric density is studied on the basis of them.The characteristics of the parachute opening load in low atmospheric density are achieved by calculation and analysis in comparison with the parachute opening load in high atmospheric density.更多还原