Chinese Journal of Lasers, Volume. 50, Issue 9, 0907203(2023)

Influence of Natural Curved Bone Surface on Evolution Behavior of Laser‑Induced Cavitation Bubble

Xuekun Li1,2, Lingfei Ji1,2、*, Litian Zhang1,2, and Honglong Zhang1,2
Author Affiliations
  • 1Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology,Beijing 100124, China
  • 2Key Laboratory of Trans-Scale Laser Manufacturing Technology, Ministry of Education, Beijing University of Technology,Beijing 100124, China
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    Figures & Tables(7)
    Structural diagram of experimental system
    Time series diagrams of evolution of cavitation bubble near boundary of natural curved bone surface
    Position of cavitation bubble centroid versus time under different γ. (a) γ=0.6; (b) γ=0.5; (c) γ=0.4; (d) γ=0.3; (e) γ=0.2
    Numerical simulation of pressure and velocity when cavitation bubble shrinks asymmetrically near asymmetric boundary with γ=0.5 and corresponding high speed photographies. (a) Pressure distribution near cavitation bubble as bubble evolves to 650 μs; (b) fluid velocity distribution near cavitation bubble as bubble evolves to 650 μs; (c) high speed photography as bubble evolves to 650 μs ; (d) pressure distribution near cavitation bubble as bubble evolves to 660 μs; (e) fluid velocity distribution near cavitation bubble as bubble evolves to 660 μs ; (f) high speed photography as bubble evolves to 660 μs
    • Table 1. Duration of each evolution stage of cavitation bubbles with different γ values

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      Table 1. Duration of each evolution stage of cavitation bubbles with different γ values

      γDuration of stage Ⅰ /μsDuration of stage Ⅱ /μsDuration of stage Ⅲ /μsDuration of stage Ⅳ/μs
      0.6440290110190
      0.540027090150
      0.439027080120
      0.3380260110140
      0.2360260110150
    • Table 2. Deviation of impact position of cavitation bubble collapse micro-jet with different γ values

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      Table 2. Deviation of impact position of cavitation bubble collapse micro-jet with different γ values

      γ0.60.50.40.30.2
      ΔX /μm43830821516115
    • Table 3. Velocity of micro-jet formed by cavitation bubble with different γ values

      View table

      Table 3. Velocity of micro-jet formed by cavitation bubble with different γ values

      γ0.60.50.40.30.2
      vj /(m·s-126.9238.4740.9344.9364.81
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    Xuekun Li, Lingfei Ji, Litian Zhang, Honglong Zhang. Influence of Natural Curved Bone Surface on Evolution Behavior of Laser‑Induced Cavitation Bubble[J]. Chinese Journal of Lasers, 2023, 50(9): 0907203

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    Paper Information

    Category: Optical Diagnostics and Therapy

    Received: Sep. 5, 2022

    Accepted: Oct. 21, 2022

    Published Online: Mar. 28, 2023

    The Author Email: Lingfei Ji (ncltji@bjut.edu.cn)

    DOI:10.3788/CJL221210

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