Download e-book for kindle: Acoustics of Wood by Voichita Bucur

By Voichita Bucur

ISBN-10: 3540261230

ISBN-13: 9783540261230

ISBN-10: 3540305947

ISBN-13: 9783540305941

From the reports of the first edition:

"It would definitely stay the main accomplished paintings during this box for a very long time to come back. It belongs at the bookshelf of each fabric scientist and structural engineer."

CAS magazine, USA

"...[T]he writer has performed an admirable activity, amassing, organizing, and reviewing the disparate literature on such a lot facets of the Acoustics of Wood."

Journal of the Acoustical Society of the United States, USA

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Extra resources for Acoustics of Wood

Example text

The same symmetry was used by Baum and Bornhoeft (1979) for the estimation of Poisson’s ratios in paper. 2 Wave Propagation in Anisotropic Media The propagation of waves in isotropic and anisotropic solids has been discussed in many reference books (Angot 1952; Hearmon 1961; Fedorov 1968; Musgrave 1970; Auld 1973; Green 1973; Dieulesaint and Royer 1974; Alippi and Mayer 1987; Rose 1999). Let us consider first the case of an isotropic solid in which bulk waves are propagating. When the particle motion is along the propagation direction, we have a longitudinal wave.

Indoor sources are produced by automatic home appliances, heating, air-conditioning, and sanitary systems, entertainment devices, musical instruments, radio, TV, conversations, floor-impact noise, children jumping and running, adults walking, 24 Wood and Wood-Based Materials in Architectural Acoustics etc. A schematic representation of the transmission of sound between two rooms can be imagined as shown in Fig. 2 (above). Three main methods of sound transmission are possible: the sound is transmitted through (1) the adjacent wall, (2) the ceiling, and (3) the floor.

1992) reported results from specimens tested by the impedance head method to determine for each material the loss factor, the mechanical impedance, the sound velocity, etc. 3). Compared with other materials, wood is characterized by low density, high velocity, and relatively low loss factors when compared with other materials having the same density. Takahashi et al. (1981, 1987a,b) reported results on the control of sounds travelling from one room to another through the floor−ceiling pathway.

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Acoustics of Wood by Voichita Bucur

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