Velocity spectrum model for turbulence ingestion noise from computational-fluid-dynamics calculations

Peter D. Lysak; Timothy A. Brungart

doi:10.2514/2.7302

Velocity spectrum model for turbulence ingestion noise from computational-fluid-dynamics calculations

Peter D. Lysak, Timothy A. Brungart

Applied Research Laboratory (ARL)

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

28 Scopus citations

Abstract

A model that can be used to predict the turbulence velocity spectrum and correlation function given the k-ε output of a CFD solution is presented. The model is most accurate in the inertial sub-range because of the assumption of isotropy, as demonstrated for a turbulent boundary layer. Since the model is based on the turbulence energy spectrum, it is reasonably independent of the class of flow.

Original language	English (US)
Pages (from-to)	1827-1829
Number of pages	3
Journal	AIAA journal
Volume	41
Issue number	9
DOIs	https://doi.org/10.2514/2.7302
State	Published - Sep 2003

All Science Journal Classification (ASJC) codes

Aerospace Engineering

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10.2514/2.7302

Cite this

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title = "Velocity spectrum model for turbulence ingestion noise from computational-fluid-dynamics calculations",

abstract = "A model that can be used to predict the turbulence velocity spectrum and correlation function given the k-ε output of a CFD solution is presented. The model is most accurate in the inertial sub-range because of the assumption of isotropy, as demonstrated for a turbulent boundary layer. Since the model is based on the turbulence energy spectrum, it is reasonably independent of the class of flow.",

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AB - A model that can be used to predict the turbulence velocity spectrum and correlation function given the k-ε output of a CFD solution is presented. The model is most accurate in the inertial sub-range because of the assumption of isotropy, as demonstrated for a turbulent boundary layer. Since the model is based on the turbulence energy spectrum, it is reasonably independent of the class of flow.

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Velocity spectrum model for turbulence ingestion noise from computational-fluid-dynamics calculations

Abstract

All Science Journal Classification (ASJC) codes

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