Xianzhao Song, Bin Li, Lifeng Xie. Experimental investigation on the properties of liquid film breakup induced by shock waves[J]. Chinese Physics B, 2020, 29(8):
- Chinese Physics B
- Vol. 29, Issue 8, (2020)
Fig. 1. The image of experimental layout: (1) gas cylinder; (2) light source; (3) camera; (4) pressure testing system; (5) computer; (6) concave mirror; (7) liquid sample; (8) shock tube.
Fig. 2. Systematic structure diagram of phase doppler particle analyzer.
Fig. 3. Experimental photos of shock waves in blank test using YA-16 multiple-spark high speed camera (without liquid samples).
Fig. 4. Water film and glycerol film after the interaction of shock waves (Ma = 1.73).
Fig. 5. Breakup of the glycerol film induced by shock waves with different Mach numbers. (a) Ma = 1.54, thickness = 2 mm, (b) Ma = 1.54, thickness = 10 mm, (c) Ma = 1.73, thickness = 10 mm, (d) Ma = 1.8, thickness = 10 mm.
Fig. 6. The shock wave travels upward and toward the interface and applies a pressure gradient across the density gradient.
Fig. 7. (a) A linear thin liquid shell instability model proposed by Gardner, (b) liquid shell in expansion from Samirant by flash x-ray photograph.
Fig. 8. Diameter of Glycerol droplets formed in zones with 5 kinds of distances from the exit of shock tube (thickness of liquid samples = 2 mm, Ma = 1.54).
Fig. 9. Average diameter of the liquid samples with different thicknesses (Ma = 1.73).
Fig. 10. Droplet size with volume percentage of glycerol.
Fig. 11. Vertical velocity with different thicknesses of liquid samples (Ma = 1.73).
Fig. 12. Horizontal velocity with different thicknesses of liquid samples (Ma = 1.73).
Fig. 13. Vertical velocity with different volume percentages of glycerol (thickness of liquid film = 2 mm).
Fig. 14. Horizontal velocity with different volume percentages of glycerol (thickness of liquid film = 2 mm).
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Table 1. Calculated diameters of liquid samples.
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Table 2. Parameters of liquid samples.
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Table 3. The Mach numbers of shocks in the blank test.
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Table 4. The dimensionless parameters of glycerol films under different Mach numbers.
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Table 5. Partial data of parameters in the experiments.
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