摘要
在很快旋转的混乱热传送对流圆柱的体环数字地被调查,松驰摆动状态在没有滑倒边界条件下面被获得。摆动的主导的频率从一个摇摆模式直接被继承,其和另一个高周波的摇摆模式的非线性的相互作用在高级瑞利导致混乱状态,通过一条 RTN 类型线路数。而且, Coriolis 参数的效果和动能的伪周期的爆炸上的瑞利数字也被讨论。
Chaotic thermal convection in a rapidly rotating cylindrical annulus is investigated numerically and the relaxation oscillation state is obtained under the no-slip boundary condition. The dominant frequency of the oscillation is inherited directly from a vacillating mode, whose nonlinear interaction with another high-frequency vacillating mode leads to the chaotic state at high Rayleigh numbers through an RTN-type route. Furthermore, the effects of Coriolis parameter and Rayleigh number on the quasi-periodic burst of kinetic energy are discussed as well.
基金
Supported by the National Natural Science Foundation of China under Grant Nos 10672003 and 10972007.