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Acoustic Transmission in Curved Ducts with Varying Cross-Sections

✍ Scribed by Börje Nilsson

Book ID
125080583
Publisher
The Royal Society
Year
2002
Tongue
English
Weight
554 KB
Volume
458
Category
Article
ISSN
0962-8444

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Non-linear acoustics in ducts with varyi
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A method of solution for the non-linear acoustic equations of an inviscid fluid in a duct with varying cross-section is given, which brings into evidence the following aspects of the problem: (i) the influence of the cross-section variation with respect to the wavelength; (ii) the influence of the n

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The propagation of acoustic waves along a duct of elliptic cross-section, the eccentricity of which varies slowly along the axis, is considered as a model of the unsteady #ow inside a realistic aeroengine nacelle. This is a development of recent work on a circular duct by Rienstra. The acoustic "eld