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On the Mechanism of Non-spherical Underwater Explosion Bubble Collapse
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Chao HUANG1, Bin WANG1, Cang-Li LIU1, A-Man ZHANG2, Xiong-Liang YAO2
Chinese Journal of High Pressure Physics | 2012, 26(5) : 501 - 507
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Chinese Journal of High Pressure Physics | 2012, 26(5): 501-507
On the Mechanism of Non-spherical Underwater Explosion Bubble Collapse
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Chao HUANG1, Bin WANG1, Cang-Li LIU1, A-Man ZHANG2, Xiong-Liang YAO2
Affiliations
  • 1.National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China
  • 2.School of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China
Published: 2012-10-15
Outline
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Experiment and simulation of cylindrical charge underwater explosion bubble motion has been conducted to investigate the collapse mechanism of non-spherical bubble and the behavior of its jet. The experimental results were compared against the numerical results for different configurations of charge. Results show that jet generated by a non-spherical bubble behaves different from that of a spherical bubble, which could be attributed to the variance of radius of curvature on the bubble interface. The collapse time for an initial bubble surface with bigger radius of curvature is earlier than that with smaller radius of curvature. As a result, the water jet may exhibit an asymmetric form.

non-spherical bubble  /  bubble collapse  /  water jets  /  underwater explosion
黄超, 汪斌, 刘仓理, 张阿漫, 姚熊亮. 非球形水下爆炸气泡坍塌机制. 高压物理学报, 2012 , 26 (5) : 501 -507 .
Chao HUANG, Bin WANG, Cang-Li LIU, A-Man ZHANG, Xiong-Liang YAO. On the Mechanism of Non-spherical Underwater Explosion Bubble Collapse[J]. Chinese Journal of High Pressure Physics, 2012 , 26 (5) : 501 -507 .
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Article Info
  • Receive Date：2011-04-01
  • Online Date：2026-11-05
  • Published：2012-10-15
Article Data
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History
  • Received：2011-04-01
  • Revised：2011-06-17
Funding
Affiliations
    1.National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China
    2.School of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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