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Acoustic nonlinearities in a quasi 1-D duct with arbitrary mean properties and mean flow

JOURNAL OF SOUND AND VIBRATION (2022)

Generalized acoustic Helmholtz equation and its boundary conditions in a quasi 1-D duct with arbitrary mean properties and mean flow

Sattik Basu et al.

Summary: The study focuses on the generalized Helmholtz equation for the acoustic pressure field in a quasi one-dimensional duct, highlighting potential errors in using classical expressions and introducing a new boundary condition to address density fluctuations at the duct inlet. Results show that the new approach yields excellent agreement with solutions obtained using traditional methods.

JOURNAL OF SOUND AND VIBRATION (2021)

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A family of exact transient solutions for acoustic wave propagation in inhomogeneous, non-uniform area ducts

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Acoustic nonlinearities in a quasi 1-D duct with arbitrary mean properties and mean flow

相关参考文献

Generalized acoustic Helmholtz equation and its boundary conditions in a quasi 1-D duct with arbitrary mean properties and mean flow

Non-linear dynamics of thermoacoustic eigen-mode interactions

WKB solutions to the quasi 1-D acoustic wave equation in ducts with non-uniform cross-section and inhomogeneous mean flow properties - Acoustic field and combustion instability

A Time-Domain Network Model for Nonlinear Thermoacoustic Oscillations

A family of exact transient solutions for acoustic wave propagation in inhomogeneous, non-uniform area ducts

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