Properties of Gases, Liquids, and Solutions

Physical Acoustics: Principles and Methods, Volume ll-Part A: Properties of Gases, Liquids, and Solutions ponders on high frequency sound waves in gases, liquids, and solids that have been proven as effective tools in examining the molecular, domain wall, and other types of motions.
The selection first offers information on the transmission of sound waves in gases at very low pressures and the phenomenological theory of the relaxation phenomena in gases. Topics include free molecule propagation, phenomenological thermodynamics of irreversible processes, and simultaneous multiple relaxation processes. The book then takes a look at relaxation processes in gases, as well as excitation relaxation, molecular theory of relaxation times, and relaxation of a dissociation equilibrium.
The manuscript surveys thermal, structural, and shear relaxation in liquids. Discussions focus on the basic theory for a single chemical reaction, structural viscosity, and cooperative effects on mechanical and dielectric processes. The book also underscores the propagation of ultrasonic waves in electrolytic solutions, including ultrasonic velocity and relaxation processes in electrolytic solutions.
The selection is highly recommended for readers interested in physical acoustics.

Contenu

Contents
Contributors
Preface
Contents of Previous and Future Volumes

1. Transmission of Sound Waves in Gases at Very Low Pressures
   I. Introduction
   II. Nomenclature
   III. Theory
   IV. Experimental Methods
   V. Results and Discussion
   VI. Mixtures
   VII. Free-Molecule Propagation
   VIII. Appendix: Tables
   References
2. Phenomenological Theory of the Relaxation Phenomena in Gases
   List of Symbols
   I. Introductory Remarks
   II. The Phenomenological Thermodynamics of Irreversible Processes
   III. Irreversible Processes in Homogeneous Closed Systems and in Free Acoustic Fields
   IV. The Single Relaxation Process
   V. Simultaneous Multiple Relaxation Processes
   VI. Examples of Multiple Relaxations
   References
3. Relaxation Processes in Gases
   I. Problem Definition and Classification
   II. Excitation Relaxation
   III. Molecular Theory of Relaxation Times
   IV. Relaxation of a Dissociation Equilibrium
   V. References
4. Thermal Relaxation in Liquids
   I. Introduction
   II. Basic Theory For A Single Chemical Reaction
   III. The Description and Interpretation of Experimental Results
   References
5. Structural and Shear Relaxation in Liquids
   I. Introduction
   II. Elastic Moduli of Liquids
   III. Structural Viscosity
   IV.Velocity Dispersion and Absorption Due To Shear And
   V. Structural Relaxation
   VI.High-Frequency Limiting Moduli of Liquids
   VII. Relaxational Behavior of Moduli
   VIII. The Relation of Ultrasonic and Dielectric Relaxation Times
   IX. Cooperative Effects On Mechanical and Dielectric Processes
   References
6. The Propagation of Ultrasonic Waves in Electrolytic Solutions
   List of Symbols
   I. Introduction
   II. Ultrasonic Velocity
   III. Relaxation Processes in Electrolytic Solutions
   IV. Other Effects
   References
   Author Index
   Subject Index