Abstract
The geometry of the pores in ordinary porous materials is not simple, and a direct calculation of the viscous and thermal interaction between the air and these materials is generally impossible to perform. Useful information can be obtained from the simple case of porous materials with cylindrical pores. In this chapter, a simple modelling of sound propagation in cylindrical tubes of various cross-sectional shapes is worked out, and this modelling is used to predict the acoustical properties of porous materials with cylindrical pores and to define important concepts like tortuosity.
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© 1993 Elsevier Science Publishers Ltd
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Allard, J.F. (1993). Sound Propagation in Cylindrical Tubes and Porous Materials Having Cylindrical Pores. In: Propagation of Sound in Porous Media. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1866-8_4
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DOI: https://doi.org/10.1007/978-94-011-1866-8_4
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-85166-887-8
Online ISBN: 978-94-011-1866-8
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