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Dynamics and sound emission of a spherical cavitation bubble in a dilute polymer solution

Published online by Cambridge University Press:  26 April 2006

G. Ryskin
Affiliation:
Department of Chemical Engineering, Northwestern University, Evanston, IL 60208, USA

Abstract

The effect of polymer additive on the growth and collapse of a spherical vapour bubble is investigated theoretically, under conditions appropriate for cavitation (negligible influence of heat transfer, Newtonian viscosity, etc.). The polymer-induced stress is calculated using the yo-yo model of the polymer dynamics in transient extensional flows (Ryskin 1987a). The resulting equation of bubble dynamics is solved numerically; an approximate analytical solution is also obtained. It is found that the growth of a bubble is not affected by the polymer, but the final stage of the collapse is. After following closely the classical inviscid-fluid solution, the collapse is abruptly arrested, and the bubble wall velocity is reduced to nearly zero. The peak acoustic pressure of the radiated sound is also reduced, and the high-frequency part of the acoustic spectrum is sharply curtailed.

Type
Research Article
Copyright
© 1990 Cambridge University Press

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References

Arakeri, V. H. & Acosta, A., 1981 Viscous effects in the inception of cavitation. Trans. ASME I: J. Fluids Engng 103, 280287.Google Scholar
Ashworth, V. & Procter, R. P. M. 1975 Cavitation damage in dilute polymer solutions. Nature 258, 6466.Google Scholar
Baiter, H.-J.: 1982 Estimates of the acoustic efficiency of collapsing bubbles. In Intl Symp. on Cavitation Noise (ed. R. E. A. Arndt & M. L. Billet), pp. 3544. ASME.
Basedow, A. M. & Ebert, K. H., 1977 Ultrasonic degradation of polymers in solution. Adv. Polymer Sci. 22, 83148.Google Scholar
Batchelor, G. K.: 1967 An Introduction to Fluid Dynamics, Cambridge University Press.
Batchelor, G. K.: 1971 The stress generated in a non-dilute suspension of elongated particles by pure straining motion. J. Fluid Mech. 46, 813829.Google Scholar
Besant, W. H.: 1859 A Treatise on Hydrostatics and Hydrodynamics, p. 170. Cambridge: Deighton, Bell and Co.
Blake, W. K.: 1986 Mechanics of Flow-Induced Sound and Vibration. Vol. 1. General Concepts and Elementary Sources. Vol. 2, Complex Flow-Structure Interactions. Academic.
Chahine, G. L.: 1982 Experimental and asymptotic study of nonspherical bubble collapse. Appl. Sci. Res. 38, 187197.Google Scholar
Chahine, G. L. & Fruman, D. H., 1979 Dilute polymer solution effects on bubble growth and collapse. Phys. Fluids 22, 14061407.Google Scholar
Champeney, D. C.: 1973 Fourier Transforms and Their Physical Applications. Academic.
Crum, L. A. & Brosey, J. E., 1984 Effect of dilute polymer additives on the acoustic cavitation threshold of water. Trans. ASME I: J. Fluids Engng 106, 99104.Google Scholar
Ellis, A. T. & Hoyt, J. W., 1968 Some effects of macromolecules on cavitation inception. In Cavitation Forum-1968 (ed. J. M. Robertson), pp. 23. ASME.
Ellis, A. T., Waugh, J. G. & Ting, R. Y., 1970 Cavitation suppression and stress effects in high-speed flows of water with dilute macromolecule additives. Trans. ASME D: J. Basic Engng 92, 459466.Google Scholar
Fitzpatrick, H. M. & Strasberg, M., 1957 Hydrodynamic sources of sound. In Symp. on Naval Hydrodynamics, Sept. 24–28, 1956, Washington, DC, Proc., National Academy of Sciences-National Research Council, pp. 241280.Google Scholar
Fogler, H. S. & Goddard, J. D., 1970 Collapse of spherical cavities in viscoelastic fluids. Phys. Fluids 13, 11351141.Google Scholar
de Gennes, P. G.: 1979 Scaling Concepts in Polymer Physics. Cornell University Press.
Hara, S. K. & Schowalter, W. R., 1984 Dynamics of nonspherical bubbles surrounded by viscoelastic fluid. J. Non-Newtonian Fluid Mech. 14, 249264.Google Scholar
Hoyt, J. W.: 1976 Effect of polymer additives on jet cavitation. Trans. ASME I: J. Fluids Engng 98, 17.Google Scholar
Hoyt, J. W.: 1977 Cavitation in polymer solutions and fiber suspensions. In Cavitation and Polyphase Flow Forum – 1977 (ed. R. L. Waid), pp. 910. ASME.
Hoyt, J. W.: 1978 Vortex cavitation in polymer solutions. In Cavitation and Polyphase Flow Forum – 1978 (ed. R. L. Waid), pp. 1718. ASME.
Hoyt, J. W. & Taylor, J. J., 1981 A photographic study of cavitation in jet flow. Trans. ASME I: J. Fluids Engng 103, 1418.Google Scholar
Kezios, P. S. & Schowalter, W. R., 1986 Rapid growth and collapse of single bubbles in polymer solutions undergoing shear. Phys. Fluids 29, 31723181.Google Scholar
Lauterborn, W. & Hentschel, W., 1985 Cavitation bubble dynamics studied by high speed photography and holography: part one. Ultrasonics 23, 260268.Google Scholar
Lauterborn, W. & Vogel, A., 1984 Modern optical techniques in fluid mechanics. Ann. Rev. Fluid Mech. 16, 223244.Google Scholar
Lighthill, J.: 1978 Waves in Fluids. Cambridge University Press.
Nanjo, H., Shima, A. & Tsujino, T., 1986 Formation of damage pits by cavitation in a polymer solution. Nature 320, 516517.Google Scholar
Oba, R., Ito, V. & Uranishi, K., 1978 Effect of polymer additives on cavitation development and noise in water flow through an orifice. Trans. ASME I: J. Fluids Engng 100, 493499.Google Scholar
Plesset, M. S. & Prosperetti, A., 1977 Bubble dynamics and cavitation. Ann. Rev. Fluid Mech. 9, 145185.Google Scholar
Press, W. H., Flannery, B. P., Teukolsky, S. A. & Vetterling, W. G. W. W. T. 1986 Numerical Recipes. Cambridge University Press.
Prosperetti, A.: 1987 The equation of bubble dynamics in a compressible liquid. Phys. Fluids 30, 36263628.Google Scholar
Rayleigh, Lord: 1917 On the pressure developed in a liquid during the collapse of a spherical cavity. Phil. Mag. 34, 9498.Google Scholar
Reitzer, H., Gebel, C. & Scrivener, O., 1985 Effect of polymeric additives on cavitation and radiated noise in water flowing past a circular cylinder. J. Non-Newtonian Fluid Mech. 18, 7179.Google Scholar
Ross, D.: 1987 Mechanics of Underwater Noise. Peninsula Publishing.
Ryskin, G.: 1987a Calculation of the effect of polymer additive in a converging flow. J. Fluid Mech. 178, 423440.Google Scholar
Ryskin, G.: 1987b Turbulent drag reduction by polymers: a quantitative theory. Phys. Rev. Lett. 59, 20592062.Google Scholar
Shima, A., Tomita, Y. & Ohno, T., 1984 The collapse of minute gas bubbles in a dilute polymer solution. Phys. Fluids 27, 539540.Google Scholar
Shima, A., Tsujino, T., Nanjo, H. & Miura, N., 1985 Cavitation damage in polymer aqueous solutions. Trans. ASME I: J. Fluids Engng 107, 134138.Google Scholar
Suslick, K. S. & Flint, E. B., 1987 Sonoluminescence from non-aqueous liquids. Nature 330, 553555.Google Scholar
Thomas, J. R.: 1959 Sonic degradation of high polymers in solution. J. Phys. Chem. 63, 17251729.Google Scholar
Ting, R. Y.: 1975 Viscoelastic effect of polymers on single bubble dynamics. AIChE J. 21, 810813.Google Scholar
Ting, R. Y.: 1977 Effect of polymer viscoelasticity on the initial growth of a vapor bubble from gas nuclei. Phys. Fluids 20, 14271431.Google Scholar
Ting, R. Y.: 1978 Characteristics of flow cavitation in dilute solutions of polyethylene oxide and polyacrylamide. Phys. Fluids 21, 898901.Google Scholar
Ting, R. Y. & Ellis, A. T., 1974 Bubble growth in dilute polymer solutions. Phys. Fluids 17, 14611462.Google Scholar
Tsujino, T.: 1987 Cavitation damage and noise spectra in a polymer solution. Ultrasonics 25, 6772.Google Scholar
Walton, A. J. & Reynolds, G. T., 1984 Sonoluminescence. Adv. Phys. 33, 595660.Google Scholar