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STUDY ON THE INFLUENCES OF BUBBLY OIL ON THE CAVITATION EROSION IN JOURNAL BEARINGS OF ENGINES

STUDY ON THE INFLUENCES OF BUBBLY OIL ON THE CAVITATION EROSION IN JOURNAL BEARINGS OF ENGINES
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摘要 A simulating experimental device for journal bearings of engines is established by use of the mechanism of ultrasonic vibration This device can make the pressure inside the oil film changed at ultrasonic frequency,which enable the specimen surface to be damaged by cavitation erosion in a comparatively short time Connecting with the bubbly oil producing device,this rig can investigate the influence of bubbly oil on the cavitation erosion Through detailed experimental research it is found that the bubbly oil decreases the cavitation erosion in journal bearings of engines This result is analyzed reasonably from mechanism of cavitation erosion. A simulating experimental device for journal bearings of engines is established by use of the mechanism of ultrasonic vibration This device can make the pressure inside the oil film changed at ultrasonic frequency,which enable the specimen surface to be damaged by cavitation erosion in a comparatively short time Connecting with the bubbly oil producing device,this rig can investigate the influence of bubbly oil on the cavitation erosion Through detailed experimental research it is found that the bubbly oil decreases the cavitation erosion in journal bearings of engines This result is analyzed reasonably from mechanism of cavitation erosion.
作者 An Qi (Mechanical Engineering Department,East China University of Science and Technology) Priest M, Taylor C M (The University of Leeds,LS2 9JT,UK)
出处 《Chinese Journal of Mechanical Engineering》 SCIE EI CAS CSCD 2001年第4期378-380,384,共4页 中国机械工程学报（英文版）
关键词 Cavitation erosion Bubbly oil Journal bearing ENGINE Cavitation erosion Bubbly oil Journal bearing Engine
分类号 TG172 [金属学及工艺—金属表面处理]
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参考文献9

  • 1[1]Dowson D,Taylor C MCavitation in journal bearings Ann,Rev,Fluid Mech1979,31(11)∶35～66
  • 2[2]Braun M J,Hendricks R CExperimental investigation of the vap ours/gaseous cavity characteristics of an eccentric journal bearingASLE TRANS, 1984,27(1)∶1～14
  • 3[3]Yano H,Yabumoto JThe behavior of entrained gas bubbles i n engine oil and the development of effective gasoil separatorsMitsubishi Oi l CoLtd,1998
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  • 7[7]Takahashi N, Kugimiya T, Seki T, et al Application of ultras onic cavitation to metal working and surface treatment of mild steelTransJa pan SocMechEng(SerA),1987,53(485)∶46～54
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Chinese Journal of Mechanical Engineering
2001年 第4期

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