Dictionary:Rayleigh-Willis relation

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The oscillation period T (in seconds) for the bubble effect varies as the cube root of the energy E and inversely as the 5/6th power of the pressure. The relation is

T=0.450 E1/3/(D+33)5/6 or


T=0.108 E1/3/(D′+10)5/6,


where E is the energy in joules, D is the depth in feet, and D′ is the depth in meters. See Figure R-5.