## Mechanics and Physics of Bubbles in Liquids: Proceedings IUTAM Symposium, held in Pasadena, California, 15–19 June 1981Leen van Wijngaarden A IUTAM (International Union of Theoretical and Applied Mechanics) Sympo sium 'Mechanics and Physics of Bubbles in Liquids' was held at Pasadena, Calif., USA from 15 through 19 June 1981. The present volume contains the printed version of nearly all papers read at the Symposium. The study of the behaviour of bubbles in liquids was originally stimu lated by problems in cavitation and in boiling ofliquids. Today research is initiated by problems in many other fields as well. In this respect a growing interest from the side of biomechanics may be mentioned. Ordering of the papers could be done either according to the various mechanical and physical aspects of the subject or according to the fields of application. The presentaton at the Symposium contained a bit of both; there was a session on physico-chemical aspects for example and also a session on biological applications. The subdivision in this volume follows roughly the sessions in the Symposium. Most of them start with a paper of a survey nature, reporting progress made in recent years. Here, as in other fields of engineering science, one notes the important part played by experimental techniques and by numerical analysis. |

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### Contents

Preface | 9 |

List of participants | 11 |

Biological effects | 15 |

Biophysical implications of bubble dynamics | 17 |

Thresholds for rectified diffusion and acoustic microstreaming by bubbles in biological tissue | 25 |

implications for diving physiology | 37 |

The effect of dissolved gases on the dynamics of acoustic emission and sonoluminescence from cavitating liquids | 45 |

Boiling | 53 |

Acoustic cavitation noise spectra | 209 |

The growth and collapse of bubbles near deformable surfaces | 215 |

Acoustic emission of single laserproduced cavitation bubbles and their dynamics | 225 |

Surface tension driven oscillations of a bubble in a viscoelastic liquid | 231 |

The local measurement of the size and velocity of bubbles rising in liquids | 239 |

The unsteady drag on a spherical bubble at large Reynolds numbers | 247 |

On the dynamics of bubbles in polymer aqueous solutions | 255 |

Collective phenomena in bubbly liquids | 265 |

Acoustic cavitation in cryogenic and boiling liquids | 55 |

Boiling in a porous bed | 69 |

Growth and departure of individual bubbles at a wall | 77 |

Evaporative instability at the superheat limit | 85 |

Nucleation | 99 |

Nucleation and stabilization of microbubbles in liquids | 101 |

Superheated drop nucleation for neutron detection | 117 |

Observations of nuclei in cavitating flows | 123 |

On the stability of gas bubbles in liquidgas solutions | 133 |

Bubble dynamics | 143 |

a review and some recent results | 145 |

Cavitation bubble dynamics new tools for an intricate problem | 165 |

Bubble migration inside a liquid drop in a space laboratory | 179 |

Experimental and asymptotic study of nonspherical bubble collapse | 187 |

Viscoelastic effect on the behaviour of an air bubble rising axially in a tube | 199 |

Mathematical modelling of bubbly liquid motion and hydrodynamical effects in wave propagation phenomenon | 267 |

Acoustic nonlinearity of bubbly liquids | 291 |

Existence and properties of flow structure waves in twophase bubbly flows | 297 |

Some aspects of dynamics of bubbly liquids | 305 |

Energy considerations on the collapse of cavity clusters | 313 |

0aaccurate modelling of the virtual mass effect in a liquidbubble dispersion | 323 |

Bubble interactions in liquidgas flows | 331 |

Physicochemical effects | 341 |

Surface activity and bubble motion | 343 |

Bubble coalescence in pure liquids | 353 |

Studies of liquidvapour phase change by a shock tube | 363 |

Mie theory physicaloptics approximations and experiments | 373 |

ANNOUNCEMENTS | 385 |

390 | |

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### Common terms and phrases

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