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. 2022 Aug 20;89:106130. doi: 10.1016/j.ultsonch.2022.106130

Table 2.

The liquid velocities and these dimensionless differences at the left and right endpoints of the bubble wall with the differentγ. ul and ur represent liquid velocities at the left and right endpoints of the bubble wall respectively. And Δu means the dimensionless difference between ul and ur. t0=15.28 μs.

Stages γ ul(m/s) ur(m/s) Δu
Growth (tg=t0+2Δt) 0.74 1.27 8.80 85.57 %
1.10 7.76 8.73 11.69 %
1.95 8.60 8.68 0.92 %



Collapse (tc=t0+16Δt) 0.74 4.28 10.29 58.41 %
1.10 9.32 10.20 8.63 %
1.95 10.08 10.14 0.59 %