๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Numerical study of acoustic modes in ducted shear flow

โœ Scribed by Gregory G. Vilenski; Sjoerd W. Rienstra

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
435 KB
Volume
307
Category
Article
ISSN
0022-460X

No coin nor oath required. For personal study only.

๐Ÿ“œ SIMILAR VOLUMES

Acoustic waves in parallel shear flows i
Acoustic waves in parallel shear flows in a duct
โœ S. Ishii; T. Kakutani ๐Ÿ“‚ Article ๐Ÿ“… 1987 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 575 KB

This paper deals with linear acoustic waves propagating in parallel shear flows of an inviscid ideal gas in a two-dimensional duct. General properties of the dispersion relation (eigenvalue relation) for the neutralIy stable acoustic modes are derived. Asymptotic behaviours of the eigensolutions for

Numerical Solution of the Coupled Mode E
Numerical Solution of the Coupled Mode Equations in Duct Acoustics
โœ Leif Abrahamsson; Heinz-Otto Kreiss ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 556 KB

We present a fast solver for the coupled mode equations in duct acoustics. It is based on a partitioning of the resulting system of ordinary differential equations into separate subsystems, the number of which increases by the separability of the problem. This structure is obtained by transformation

INFLUENCE OF LOW MACH NUMBER SHEAR FLOW
INFLUENCE OF LOW MACH NUMBER SHEAR FLOW ON ACOUSTIC PROPAGATION IN DUCTS
โœ V PAGNEUX; B FROELICH ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 407 KB

An experimental and theoretical investigation of the in#uence of a parallel shear #ow on the sound propagation in a circular duct is described. The theoretical model is based on a perturbation expansion at low Mach number of the modal equation for parallel shear #ows (Pridmore-Brown equation). In th

NUMERICAL EXPERIMENTS ON ACOUSTIC RECIPR
NUMERICAL EXPERIMENTS ON ACOUSTIC RECIPROCITY IN COMPRESSIBLE POTENTIAL FLOWS IN DUCTS
โœ W. EVERSMAN ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 340 KB

A reciprocity theorem for the scattering matrix for the propagation of acoustic modes in a duct with acoustically hard walls or with acoustically absorbing walls has been given in a companion publication. It was found that for a source at a speci"ed end of the duct, suitably scaled re#ection matrice