WFRF:(Boström Anders)
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- Boström, Anders E,1951Chalmers tekniska högskola,Chalmers University of Technology (author)
Acoustic waves in a cylindrical duct with periodically varying cross section
- Article/chapterEnglish1983
Publisher, publication year, extent ...
- 1983
Numbers
- LIBRIS-ID:oai:research.chalmers.se:92b9ae68-f3cb-46ae-a45d-ce05173c3203
- https://research.chalmers.se/publication/189916URI
Supplementary language notes
- Language:English
- Summary in:English
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Notes
- The null field approach is used to study the propagation of acoustic waves in a rotationally hard-walled duct with periodically varying cross section. For a radius that varies sinusoidally along the axial distance, numerical computations give the axial wave number and the passbands and stopbands of the modes of the duct. In particular, small passbands are seen to exist even for very large variations in radius, and probably all the way to the point where the duct is cut off. We also present some plots which show the pressure pattern inside the duct.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Maskinteknik Strömningsmekanik och akustik hsv//swe
- ENGINEERING AND TECHNOLOGY Mechanical Engineering Fluid Mechanics and Acoustics hsv//eng
- periodic cross section
- duct
- acoustics
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- Chalmers tekniska högskola (creator_code:org_t)
Related titles
- In:Wave Motion5, s. 59-670165-2125
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