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Sound Velocity and Molecular Structure in Isomers of Saturated Hydrocarbons

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Measurements of the sound velocity and the density are carried out in the isomers of hexane and octane. These measurements serve to test the theory of the connexion between sound velocity and molecular structure. It is confirmed that for isomers with the same number of substituents (here in the present work of CH3-groups) the substance with the greater density has also the greater sound velocity. The changes in sound velocity are divisible into one part concerning the space filling of the molecules and into a second part determined by the ramification of the molecules. As expected equivalent displacements of CH3-groups in different hydrocarbons lead to equivalent changes of the sound velocity.
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Document Type: Research Article

Publication date: January 1, 1969

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  • Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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