MATEC Web Conf.
Volume 211, 2018The 14th International Conference on Vibration Engineering and Technology of Machinery (VETOMAC XIV)
|Number of page(s)||6|
|Section||TP2: Fluid structure interaction|
|Published online||10 October 2018|
Frequency response of a liquid sloshing in a rotating, laterally oscillating, cylindrical vessel
Department of Mechanical Engineering, Keio University 3-14-1 Hiyoshi,
Kohoku-ku, Yokohama 223-8522,
We have investigated the free-surface fluctuations of liquid in a rotating, laterally oscillating, cylindrical vessel. In the experiments, we changed independently both the lateral forcing frequency f and the rotation frequency Ω of the cylinder. We measured the time-dependent fluid-dynamic pressure instead of the free surface fluctuations. From an FFT analysis of the dynamic pressure, we obtained two significant frequencies: f - Ω and f + Ω. They are associated, respectively, with waves that rotate in the same direction, and in the opposite direction, relative to the rotation of the vessel. We also examined these results using linearized wave theory.
© The Authors, published by EDP Sciences, 2018
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