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The transmission of sound in an accoustically treated rectangular duct with boundary layer

✍ Scribed by J.F. Unruh; W. Eversman


Publisher
Elsevier Science
Year
1972
Tongue
English
Weight
651 KB
Volume
25
Category
Article
ISSN
0022-460X

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## Communicated by W. Sprâßig The diffraction of acoustic waves by an infinitely long annular duct having a finite gap on the inner wall is investigated rigorously. The related boundary-value problem is formulated into a modified Wiener-Hopf equation, which is then reduced to a pair of simultaneou