Near-Field Measurements of Water-Entry Sound of Low-Speed Metal Balls in a Non-Anechoic Tank

Table 2

Measurements of water-entry sound.

Far-field closed-space measurements		Near-field virtual-source time-domain integration
Kinetic energy (J)	Sound power level (dB)	Kinetic energy (J)	Sound power level (dB)
0.1901	142.6	0.1901	143.1
0.4506	147.4	0.4506	147.1
0.8801	151.7	0.8801	151.1
1.5208	155.5	1.5208	155.0