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首页> 美国政府科技报告 >Slosh Dynamics of a Spin-Stabilized Spacecraft Comprising off-Axis Tanks Filled Partially with Liquid Propellant
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Slosh Dynamics of a Spin-Stabilized Spacecraft Comprising off-Axis Tanks Filled Partially with Liquid Propellant

机译：包含液体推进剂部分填充的离轴槽的自旋稳定航天器的晃动动力学

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摘要

The fundamental nonlinear equations of motion were derived and the specialized to a steady-state rotation of the vehicle about a given axis of rotation. A thrust about the spin axis was introduced. A perturbation solution was derived which linearizes the problem. The effect of the centrifugal and coriolis accelerations together with vorticity are implicitly taken into consideration in the formulation. A variational formulation of the associated boundary conditions is presented. For practical cases it is shown that the simple classical pendulum representation for slosh is not very appealing for a spinning spacecraft unless severe restrictions are allowed.

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