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    Cavitation Bubble Dynamics Induced by Hydrodynamic Pressure Oil Film in Ultrasonic Vibration Honing

    Source: Journal of Tribology:;2018:;volume( 140 ):;issue: 004::page 41707
    Author:
    Guo, Ce
    ,
    Zhu, XiJing
    ,
    Liu, Jia
    ,
    Zhang, Dan
    DOI: 10.1115/1.4039409
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: During ultrasonic vibration honing (UVH), a thin hydrodynamic oil film formed can seriously affect the cavitation effect in the grinding fluid, but the mechanism is still unclear now. Based on the hydrodynamics theory, a revised cavitation bubble model with oil film pressure is developed, and it has been calculated by the four-order Runge–Kutta method. The calculation results show that the oil film pressure under UVH is a positive–negative alternant pulse pressure, and it can induce the secondary expansion of the bubble, leading to double microjets during the process of the bubble collapsing. The effects of ultrasonic amplitude, ultrasonic frequency, oil film height, and reciprocation speed of the honing stone on the bubble dynamics are discussed. With the increase of ultrasonic amplitude, the amplitude of the bubble expansion is increased, and the oscillation interval is extended. As increasing normalized oil film height, the variation of the bubble first expansion is slight, while the amplitude of the bubble secondary expansion is reduced and the oscillation interval is also shortened. The main effect of ultrasonic frequency and reciprocation speed of the honing stone on the bubble dynamics is connected with the secondary bubble expansion. The bubble secondary expansion is decreased with the increasing reciprocation speed of the honing stone, ultrasonic frequency, and oil film height. The results of the simulations are consistent with the surface roughness measurements well, which provides a theoretical prediction method of cavitation bubbles control.
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      Cavitation Bubble Dynamics Induced by Hydrodynamic Pressure Oil Film in Ultrasonic Vibration Honing

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4253134
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    contributor authorGuo, Ce
    contributor authorZhu, XiJing
    contributor authorLiu, Jia
    contributor authorZhang, Dan
    date accessioned2019-02-28T11:08:35Z
    date available2019-02-28T11:08:35Z
    date copyright3/30/2018 12:00:00 AM
    date issued2018
    identifier issn0742-4787
    identifier othertrib_140_04_041707.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4253134
    description abstractDuring ultrasonic vibration honing (UVH), a thin hydrodynamic oil film formed can seriously affect the cavitation effect in the grinding fluid, but the mechanism is still unclear now. Based on the hydrodynamics theory, a revised cavitation bubble model with oil film pressure is developed, and it has been calculated by the four-order Runge–Kutta method. The calculation results show that the oil film pressure under UVH is a positive–negative alternant pulse pressure, and it can induce the secondary expansion of the bubble, leading to double microjets during the process of the bubble collapsing. The effects of ultrasonic amplitude, ultrasonic frequency, oil film height, and reciprocation speed of the honing stone on the bubble dynamics are discussed. With the increase of ultrasonic amplitude, the amplitude of the bubble expansion is increased, and the oscillation interval is extended. As increasing normalized oil film height, the variation of the bubble first expansion is slight, while the amplitude of the bubble secondary expansion is reduced and the oscillation interval is also shortened. The main effect of ultrasonic frequency and reciprocation speed of the honing stone on the bubble dynamics is connected with the secondary bubble expansion. The bubble secondary expansion is decreased with the increasing reciprocation speed of the honing stone, ultrasonic frequency, and oil film height. The results of the simulations are consistent with the surface roughness measurements well, which provides a theoretical prediction method of cavitation bubbles control.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleCavitation Bubble Dynamics Induced by Hydrodynamic Pressure Oil Film in Ultrasonic Vibration Honing
    typeJournal Paper
    journal volume140
    journal issue4
    journal titleJournal of Tribology
    identifier doi10.1115/1.4039409
    journal fristpage41707
    journal lastpage041707-9
    treeJournal of Tribology:;2018:;volume( 140 ):;issue: 004
    contenttypeFulltext
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