Implicit large eddy simulation of acoustic loading in supersonic turbulent boundary layers

Konstantinos Ritos, Ioannis W. Kokkinakis, Dimitris Drikakis, S. Michael Spottswood

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This paper investigates the accuracy of implicit Large Eddy Simulation in the prediction of acoustic phenomena associated with pressure fluctuations within a supersonic turbulent boundary layer. We assess the accuracy of implicit Large Eddy Simulation against Direct Numerical Simulation and experiments for attached turbulent supersonic flow with zero-pressure gradient, and further analyze and discuss the effects of turbulent boundary layer pressure fluctuations on acoustic loading both at the high and low frequency regimes. The results of high-order variants of the simulations show good agreement with theoretical models, experiments, as well as previously published Direct Numerical Simulations.
LanguageEnglish
Article number046101
JournalPhysics of Fluids
Volume29
Issue number4
DOIs
Publication statusPublished - 17 Apr 2017

Fingerprint

supersonic boundary layers
turbulent boundary layer
Direct numerical simulation
Large eddy simulation
large eddy simulation
direct numerical simulation
Boundary layers
Acoustics
acoustics
supersonic flow
Supersonic flow
Pressure gradient
pressure gradients
Experiments
low frequencies
predictions
simulation

Keywords

  • large eddy simulation
  • acoustic phenomena
  • supersonic turbulent boundary layer

Cite this

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title = "Implicit large eddy simulation of acoustic loading in supersonic turbulent boundary layers",
abstract = "This paper investigates the accuracy of implicit Large Eddy Simulation in the prediction of acoustic phenomena associated with pressure fluctuations within a supersonic turbulent boundary layer. We assess the accuracy of implicit Large Eddy Simulation against Direct Numerical Simulation and experiments for attached turbulent supersonic flow with zero-pressure gradient, and further analyze and discuss the effects of turbulent boundary layer pressure fluctuations on acoustic loading both at the high and low frequency regimes. The results of high-order variants of the simulations show good agreement with theoretical models, experiments, as well as previously published Direct Numerical Simulations.",
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Implicit large eddy simulation of acoustic loading in supersonic turbulent boundary layers. / Ritos, Konstantinos; Kokkinakis, Ioannis W.; Drikakis, Dimitris; Spottswood, S. Michael.

In: Physics of Fluids, Vol. 29, No. 4, 046101, 17.04.2017.

Research output: Contribution to journalArticle

TY - JOUR

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AU - Ritos, Konstantinos

AU - Kokkinakis, Ioannis W.

AU - Drikakis, Dimitris

AU - Spottswood, S. Michael

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N2 - This paper investigates the accuracy of implicit Large Eddy Simulation in the prediction of acoustic phenomena associated with pressure fluctuations within a supersonic turbulent boundary layer. We assess the accuracy of implicit Large Eddy Simulation against Direct Numerical Simulation and experiments for attached turbulent supersonic flow with zero-pressure gradient, and further analyze and discuss the effects of turbulent boundary layer pressure fluctuations on acoustic loading both at the high and low frequency regimes. The results of high-order variants of the simulations show good agreement with theoretical models, experiments, as well as previously published Direct Numerical Simulations.

AB - This paper investigates the accuracy of implicit Large Eddy Simulation in the prediction of acoustic phenomena associated with pressure fluctuations within a supersonic turbulent boundary layer. We assess the accuracy of implicit Large Eddy Simulation against Direct Numerical Simulation and experiments for attached turbulent supersonic flow with zero-pressure gradient, and further analyze and discuss the effects of turbulent boundary layer pressure fluctuations on acoustic loading both at the high and low frequency regimes. The results of high-order variants of the simulations show good agreement with theoretical models, experiments, as well as previously published Direct Numerical Simulations.

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