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Early Stage of Pulsed Discharge in Water |
| LU Xin-Pei1;PAN Yuan1;LIU Ke-Fu1;LIU Ming-Hai1;ZHANG Han-Hong2 |
| 1Department of Electric Engineering, Huazhong University of Science and Technology, Wuhan 430074
2Department of Mechanic Engineering, University of Science and Technology of China, Hefei 230026
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| Cite this article: |
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LU Xin-Pei, PAN Yuan, LIU Ke-Fu et al 2001 Chin. Phys. Lett. 18 1493-1495 |
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Abstract The bubble radius at the early stage of discharge in water is investigated using high-speed photography. Some simulation results on the bubble radius are presented, which are in agreement with the experiment results, with a maximum difference of about 10%. The reasons why the peak pressure of the first shock wave is only related to the energy released in the bubble during the first half period are addressed. The energy released in the bubble after the first half period increases the bubble pulsation period, but it produces no more than 10% under the peak pressure of the second shock wave.
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| Keywords:
52.80.Wq
52.80.Mg
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Published: 01 November 2001
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| PACS: |
52.80.Wq
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(Discharge in liquids and solids)
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52.80.Mg
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(Arcs; sparks; lightning; atmospheric electricity)
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