On the interaction of a sound pulse with the shear layer of an axisymmetric jet, III: Non-linear effects

A. Bayliss; L. Maestrello; E. Turkel

doi:10.1016/0022-460X(86)90291-9

On the interaction of a sound pulse with the shear layer of an axisymmetric jet, III: Non-linear effects

A. Bayliss^*, L. Maestrello, E. Turkel

^*Corresponding author for this work

Engineering Sciences and Applied Mathematics

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

The fluctuating field of a jet excited by transient mass injection is simulated numerically. The model is developed by expanding the state vector as a mean state plus a fluctuating state. Non-linear terms are not neglected, and the effect of non-linearity is studied. A high order numerical method is used to compute the solution. The results show a significant spectral broadening in the flow field due to the non-linearity. In addition, large scale structures are broken down into smaller scales.

Original language	English (US)
Pages (from-to)	167-175
Number of pages	9
Journal	Journal of Sound and Vibration
Volume	107
Issue number	1
DOIs	https://doi.org/10.1016/0022-460X(86)90291-9
State	Published - May 22 1986

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Acoustics and Ultrasonics
Mechanical Engineering

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abstract = "The fluctuating field of a jet excited by transient mass injection is simulated numerically. The model is developed by expanding the state vector as a mean state plus a fluctuating state. Non-linear terms are not neglected, and the effect of non-linearity is studied. A high order numerical method is used to compute the solution. The results show a significant spectral broadening in the flow field due to the non-linearity. In addition, large scale structures are broken down into smaller scales.",

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T2 - Non-linear effects

AU - Bayliss, A.

AU - Maestrello, L.

AU - Turkel, E.

PY - 1986/5/22

Y1 - 1986/5/22

N2 - The fluctuating field of a jet excited by transient mass injection is simulated numerically. The model is developed by expanding the state vector as a mean state plus a fluctuating state. Non-linear terms are not neglected, and the effect of non-linearity is studied. A high order numerical method is used to compute the solution. The results show a significant spectral broadening in the flow field due to the non-linearity. In addition, large scale structures are broken down into smaller scales.

AB - The fluctuating field of a jet excited by transient mass injection is simulated numerically. The model is developed by expanding the state vector as a mean state plus a fluctuating state. Non-linear terms are not neglected, and the effect of non-linearity is studied. A high order numerical method is used to compute the solution. The results show a significant spectral broadening in the flow field due to the non-linearity. In addition, large scale structures are broken down into smaller scales.

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