| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Natural Frequency of Oscillating Gaseous Bubbles in Ventilated Cavitation |
| Yu-Ning Zhang** |
School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beijing 102206
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| Cite this article: |
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Yu-Ning Zhang 2017 Chin. Phys. Lett. 34 074702 |
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Abstract An improved formula is proposed for the prediction of natural frequency of oscillating gaseous bubbles in the ventilated cavitation by considering the liquid compressibility and the thermal effects. The differences between the previous formula and ours are quantitatively discussed in terms of both dimensional parameters (e.g., frequency and bubble radius) and non-dimensional parameters (e.g., the Péclet number). Our analysis reveals that our formula is superior to the existing formula in the low-frequency excitation regions.
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Received: 18 December 2016
Published: 23 June 2017
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| Fund: Supported by the National Natural Science Foundation of China under Grant No 51506051, the Fundamental Research Funds for the Central Universities under Grant No JB2015RCY04, and the Incubation Project for Young Talents of Chinese Society for Electrical Engineering under Grant No JLB-2016-68. |
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