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Propagation of waves of acoustic frequencies in curved ducts

Author
Rostafinski, W.
Published
Jan 1, 1973.
Physical Description
1 electronic document
Online Version

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Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
The propagation of waves of acoustic frequencies in curved ducts is studied for the first four modes. The analysis makes use of Bessel functions to construct curves of wave number in the duct versus imposed wave number. The results apply to ducts of arbitrary width and arbitrary radii of curvature. The characteristics of motion in a bend are compared with propagation of waves in a straight duct, and important differences in the behavior of waves are noted.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19730006978.
Accession ID: 73N15705.
E-7207.
NASA-TM-X-2698.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15944324