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Erosion Characteristics and Mechanisms of CavitatingAbrasive Water Jet under Confining Pressure
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Hua-Lin LIAO1, Ji-Lei NIU1, Can YI2
Chinese Journal of High Pressure Physics | 2012, 26(5) : 590 - 594
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收藏切换
Chinese Journal of High Pressure Physics | 2012, 26(5): 590-594
Erosion Characteristics and Mechanisms of CavitatingAbrasive Water Jet under Confining Pressure
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Hua-Lin LIAO1, Ji-Lei NIU1, Can YI2
Affiliations
  • 1.College of Petroleum Engineering, China University of Petroleum, Qingdao 266580, China
  • 2.State Key Laboratory of Petroleum Resource and Prospecting, China University of Petroleum, Beijing 102249, China
Published: 2012-10-15
Outline
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Abrasive water jet is widely used in water resources and architectural engineering, oil and gas engineering and marine resources development. It is significant to study the erosion characteristics of the jet and material destruction mechanisms to improve the efficiency of water jet. Using the self-developed device, the experiments were performed on abrasive water jet erosion characteristics formed by three types of nozzles including self-oscillating cavitation nozzle, Venturi nozzle, and cone-shaped nozzle under confining pressure. Destruction mechanisms of metal material were also analyzed. The results show that the erosion efficiencies of the self-oscillating cavitation nozzle and Venturi nozzle are higher than that of the cone-shaped nozzle; cavitation erosion can help improve the efficiency of abrasive water jet. Abrasive water jet erosion efficiency decreases with the confining pressure increasing, mainly due to the confining pressure inhibiting pressure pulse, cavitation effect, and impinging pressure. The mechanism of materials by cavitating abrasive water jet includes three roles of impact erosion, cavitation and their synergism.

abrasive water jet  /  cavitation effect  /  confining pressure  /  material damage
廖华林, 牛继磊, 易灿. 围压条件下空化磨料射流的冲蚀特性与机制分析. 高压物理学报, 2012 , 26 (5) : 590 -594 .
Hua-Lin LIAO, Ji-Lei NIU, Can YI. Erosion Characteristics and Mechanisms of CavitatingAbrasive Water Jet under Confining Pressure[J]. Chinese Journal of High Pressure Physics, 2012 , 26 (5) : 590 -594 .
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  • Receive Date：2011-01-28
  • Online Date：2026-11-05
  • Published：2012-10-15
Article Data
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History
  • Received：2011-01-28
  • Revised：2011-04-10
Funding
Affiliations
    1.College of Petroleum Engineering, China University of Petroleum, Qingdao 266580, China
    2.State Key Laboratory of Petroleum Resource and Prospecting, China University of Petroleum, Beijing 102249, 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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