利用电磁力在圆柱形容器中产生类潮汐流
Generating a tide-like flow in a cylindrical vessel by electromagnetic forcing
摘要：
我们显示和比较数值和实验结果的电磁产生的潮汐流结构中填充有共晶液态金属合金GaInSn的圆柱形容器。施加各种强度和频率的场来驱动液态金属流。场的变化对振幅和结构的流动的影响进行了研究。结果代表了未来的瑞利-贝纳德实验的基础上，其中调制潮汐流扰动预计同步的大尺度环流的典型晃动模式。太阳螺旋度的类似夹带机制可能是太阳发电机与潮汐主导行星金星、地球和木星的对齐周期同步的原因。
英文摘要：
We show and compare numerical and experimental results on the electromagnetic generation of a tide-like flow structure in a cylindrical vessel which is filled with the eutectic liquid metal alloy GaInSn. Fields of various strengths and frequencies are applied to drive liquid metal flows. The impact of the field variations on amplitude and structure of the flows is investigated. The results represent the basis for a future Rayleigh-Bénard experiment, in which a modulated tide-like flow perturbation is expected to synchronize the typical sloshing mode of the large-scale circulation. A similar entrainment mechanism for the helicity in the Sun may be responsible for the synchronization of the solar dynamo with the alignment cycle of the tidally dominant planets Venus, Earth and Jupiter.
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