Three-Dimensional Rectangular Duct Code with Application to Impedance Eduction

Three-Dimensional Rectangular Duct Code with Application to Impedance Eduction

A zero flow, fully three-dimensional, variable impedance, rectangular duct aeroacoustics code that spans the frequency spectrum of interest in duct liner research is developed. The governing equations and boundary conditions in the duct are solved numerically using the finite element methodology.

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Bibliographische Detailangaben
Veröffentlicht in:AIAA journal 2002-02, Vol.40 (2), p.217-226
1. Verfasser: Watson, Willie R
Format: Artikel
Sprache:eng
Schlagworte:
Acoustics
Aeroacoustics and atmospheric sound
Aeroacoustics, atmospheric sound
Aerodynamics
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Methods
Physics
Sound
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Beschreibung
Zusammenfassung:A zero flow, fully three-dimensional, variable impedance, rectangular duct aeroacoustics code that spans the frequency spectrum of interest in duct liner research is developed. The governing equations and boundary conditions in the duct are solved numerically using the finite element methodology.
ISSN:0001-1452
1533-385X
DOI:10.2514/2.1663