Letter | Published:

Size and Growth of Cavitation Bubble Nuclei

Naturevolume 199pages995996 (1963) | Download Citation



SOME years ago, one of us (K. S. I.), working in the laboratory of the late Prof. E. G. Richardson (King's College, Newcastle upon Tyne), made use of sound reverberation and optical scattering methods1 in an attempt to detect the presence and determine the size-distribution of nuclei responsible for the low tensile strength of liquids. During the course of the experiments it became evident that the nuclei existed in two forms in water—as stable air bubbles and as solid suspensions. The bubble nuclei, apart from possessing other unique features, were characterized by measurements of a consistent and reproducible nature when water containing them was subjected to ultrasonic and hydrostatic pressures. The measurements associated with the solid nuclei were erratic and showed considerable scatter.

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  1. 1

    Iyengar, K. S., and Richardson, E. G., Brit. J. App. Phys., 9, 154 (1958); Mech. Eng. Res. Lab., D.S.I.R., Fluid Note, Nos. 42 and 55.

  2. 2

    Turner, W. R., J. Acoust. Soc. Amer., 32, 928 (1960).

  3. 3

    Connolly, W., and Fox, F. E., J. Acoust. Soc. Amer., 26, 843 (1954).

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  1. Department of Physics, Osmania University, Hyderabad, 7, A.P., India

    • M. M. HASAN
    •  & K. S. IYENGAR


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