检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:王照林[1] 全斌[1] 邓重平[1] 王士敏[1]
机构地区:[1]清华大学
出 处:《宇航学报》1991年第2期1-8,共8页Journal of Astronautics
摘 要:复杂充液航天器的晃动及其对控制系统的影响是当前空间高技术的重要问题。 本文首先由力学变分原理导出充液复杂系统的方程式,其中包括流体力学方程和相应的边界条件,以及弹性连续介质力学方程;特别是,考虑了强毛细作用力的影响。其次,考查了微重条件下带有隔板的贮箱内的液体晃动、带有网孔隔板腔体内的液体晃动和粘弹性隔板对抑制晃动的作用。另外,本文将分析带有多腔充液自旋卫星的姿态稳定性,以及晃动、液体涡旋、贮箱偏置,能量耗散和哥氏加速度对卫星运动的影响。最后,讨论了多体系统充液挠性空间飞行器的稳定性问题。 同时,本文给出了数值计算结果和某些试验结果,并与理论分析作了对比。Sloshing of Complex Liquid-filled spacecraft and its influence on the control systems are the recently significant problem in the space technology. In this paper, first, from the variatical principle of mechanics can be derived the equations of complex System filled with liquid, including the equations of hydrodynamics and the equations of elastic-continuous medium mechanics with the corresponding boundary conditions; especially, the strong capillary effects are taken into account. And then, will be investigated liguid sloshing in the container with netted-hole spacers and the effects of viscous-elastic spacers, baffling liquid sloshing. Third, will be analyzed attitude stability of the spinning liquid-filled satellite with multi-cavity and the influence of sloshing, vortex of liquid, off-centre tanks, energy dissipation and Coriolis acceleration, on the motion of satellite. Finally, it is considered that the stability of flexible spacecraft with liquid-filled multi-body system. Furhermore, the paper presents the numerical data and some experimental results to be com-pated with the conclusion of theoretical analysis.
分 类 号:V412.42[航空宇航科学与技术—航空宇航推进理论与工程]
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.117