An Experimental Approach to the Measurement of Wall Pressure Generated by an Underwater Spark-Generated Bubble by a Hopkinson Bar

Figure 14

Evolution of the first cycle of the underwater spark-generated bubble’s expansion and collapse below the target plate with standoff. (a) t = 0.0406 ms. (b) t = 0.7490 ms. (c) t = 0.8740 ms. (d) t = 3.1656 ms. (e) t = 5.9156 ms. (f) t = 6.2073 ms. (g) t = 6.2490 ms. (h) t = 6.8323 ms. (i) t = 8.6240 ms. (j) t = 10.6656 ms. (k) t = 11.2489 ms. (l) t = 12.0406 ms.

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