Some Factors Affecting the Natural Frequency of a Bubble Oscillating in liquids


Using Keller–Kolodner equation which includes the important physical properties, an equation of the natural frequency of a gas-field bubble oscillating in a liquid is derived. The components of the damping (the liquid compressibility, viscosity and surface tension) are included in this solution. But the gas diffusion and thermal conduction are neglected. The solution of Minneart is shown to be special case of this solution. The effects of the damping components of a bubble in water are examined. The effect of the ratio of specific heats of gas in the bubble is also examined. Comparisons with Minneart's solution are also presented and give good agreement.