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2018 | OriginalPaper | Chapter

Numerical Simulation of a Resonant Cavity: Acoustical Response Under Grazing Turbulent Flow

Authors : Lewin Stein, Julius Reiss, Jörn Sesterhenn

Published in: New Results in Numerical and Experimental Fluid Mechanics XI

Publisher: Springer International Publishing

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Abstract

Helmholtz resonators play a key role as silencers in many technical applications. The aim of this work is to study the mechanism that governs the emission and reduction of noise. For the first time, we closely monitor the interaction between the acoustic field of a Helmholtz resonator’s geometry and a fully turbulent shearing flow by a Direct Numerical Simulation. The properties of a fully turbulent flat plate flow with and without a wall-mounted cavity are contrasted and compared to the Chase model.

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Metadata
Title
Numerical Simulation of a Resonant Cavity: Acoustical Response Under Grazing Turbulent Flow
Authors
Lewin Stein
Julius Reiss
Jörn Sesterhenn
Copyright Year
2018
DOI
https://doi.org/10.1007/978-3-319-64519-3_60

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