## Ultrasonic absorption: an introduction to the theory of sound absorption and dispersion in gases, liquids and solids |

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### Contents

INTRODUCTION | 1 |

VELOCITY OF SOUND IN FLUIDS | 8 |

WAVE PROPAGATION IN IDEAL ELASTIC | 27 |

Copyright | |

16 other sections not shown

### Common terms and phrases

acoust amplitude approximation associated liquids assume atoms attenuation attenuation due Bordoni bulk modulus calculated Chapter chem coefficient crystal Curie point curve decrease degrees of freedom denote density dependence determined diffusion dilatational discussion dislocation line effect elastic constants energy entropy equation equilibrium example experimental data expression Fermi surface fluid formula function gases Gibbs free energy given in Table glycerol grain Hence Herzfeld and Litovitz impurity increase interaction isomeric lattice Lennard-Jones potential linear longitudinal waves Mc/s measurements metal mixture modulus molecules motion normal observed obtained oscillator parameters peak phonons Phys plane potential pressure Proc propagation quantum relaxation frequency relaxation processes relaxation strength respectively room temperature rotational scattering shear waves single relaxation solid solution sound absorption sound wave specific heat strain stress superconducting term theoretical theory thermal conductivity thermodynamic tion transition ultrasonic unit volume values variation velocity vibration relaxation viscosity wavelength Zener zero