## 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 | |

14 other sections not shown

### Common terms and phrases

2,3-dimethylbutane acoust amplitude approximation associated liquids assume atoms attenuation attenuation due Bordoni bulk modulus bulk viscosity calculated Chapter coefficient components crystal Curie point curve decrease degrees of freedom denote density dependence diffusion dilatational discussion dislocation line dispersion effect elastic constants electrons energy equations equilibrium example experimental data expression Fermi surface fluid formula function gases given in Table glycerol grain Hence Herzfeld and Litovitz impurities increase interaction internal degrees isomeric lattice Lennard-Jones potential linear longitudinal waves Mc/s measurements metal mixture modes modulus molecules motion normal observed obtained oscillator parameters peak phonons Phys potential pressure propagation 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 term theoretical theory thermal conductivity thermal relaxation thermodynamic tion transition translational degrees ultrasonic unit volume values variation vibration relaxation wavelength Zener zero