SPIN-UP OF HOMOGENEOUS AND STRATIFIED FLUIDS
SPIN-UP OF HOMOGENEOUS AND STRATIFIED FLUIDS
复制标题
均匀和分层流体的旋转
DOI：
10.1146/annurev.fluid.33.1.231
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发表时间：
2001
影响因子：
27.7
通讯作者：
M. Foster
中科院分区：
文献类型：
--
作者：
P. Duck;M. Foster
我们考虑充满粘性流体的容器如何调整以适应其旋转速率的变化。我们从均匀流开始，涉及轴对称容器中固体旋转初始状态的旋转速率的小偏差。接下来是对其他最新进展的总结，包括弱非线性和完全非线性计算以及与实验的比较以及旋转下降问题。解决了“旋转”问题，随后简要概述了自由表面效应，并讨论了非轴对称旋转。审查的第二部分重点关注分层对启动过程的影响。描述了圆柱形容器内的线性（低罗斯比数）自旋。此后，描述并比较了实验结果和非线性计算结果。最后一部分重点讨论圆锥几何形状中的分层自旋向上和自旋向下，并给出了理论与实验之间的一些比较。
We consider the manner in which a container filled with viscous fluid adjusts to changes in its rotation rate. We begin with homogeneous flows involving small departures in rotation rate from an initial state of solid-body rotation in an axisymmetric container. This is followed by a summary of other more recent developments, including weakly and fully nonlinear calculations and comparison with experiment and the question of spin-down. The question of "spin-over" is addressed, followed by a brief synopsis of free-surface effects, and a discussion of nonaxisymmetric spin-up. The second part of the review focuses on the effects of stratification on the spin-up process. Linearized (low Rossby number) spin-up within a cylindrical container is described. Thereafter, both experimental and nonlinear computational results are described and compared. The final section focuses on stratified spin-up and spin-down in conical geometries, and a number of comparisons between theory and experiment are given.