MIXING LAYER BETWEEN TURBULENT FIELDS OF DIFFERENT SCALES.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A modelling study is reported of the interaction and mixing between two semi-infinite homogeneous turbulent flow fields of different scales. This turbulence mixing layer, in which there are no mean velocity gradients, is ideal for studying turbulent energy transport. The velocity joint pdf equation is closed by using the Langevin model and is solved by a Monte Carlo method. A novel - and essential - component in the present model is a Lagrangian equation for the dissipation. The model calculations are compared to the experimental data of Veeravalli and Warhaft. There is good agreement between the calculated and measured velocity skewness and excesses, which are the most revealing statistics.

Original languageEnglish (US)
Title of host publicationUnknown Host Publication Title
StatePublished - 1985

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Turbulent flow
Flow fields
Turbulence
Monte Carlo methods
Statistics

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Pope, S. B., & Haworth, D. C. (1985). MIXING LAYER BETWEEN TURBULENT FIELDS OF DIFFERENT SCALES. In Unknown Host Publication Title
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Pope, SB & Haworth, DC 1985, MIXING LAYER BETWEEN TURBULENT FIELDS OF DIFFERENT SCALES. in Unknown Host Publication Title.

MIXING LAYER BETWEEN TURBULENT FIELDS OF DIFFERENT SCALES. / Pope, S. B.; Haworth, Daniel Connell.

Unknown Host Publication Title. 1985.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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T1 - MIXING LAYER BETWEEN TURBULENT FIELDS OF DIFFERENT SCALES.

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AU - Haworth, Daniel Connell

PY - 1985

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N2 - A modelling study is reported of the interaction and mixing between two semi-infinite homogeneous turbulent flow fields of different scales. This turbulence mixing layer, in which there are no mean velocity gradients, is ideal for studying turbulent energy transport. The velocity joint pdf equation is closed by using the Langevin model and is solved by a Monte Carlo method. A novel - and essential - component in the present model is a Lagrangian equation for the dissipation. The model calculations are compared to the experimental data of Veeravalli and Warhaft. There is good agreement between the calculated and measured velocity skewness and excesses, which are the most revealing statistics.

AB - A modelling study is reported of the interaction and mixing between two semi-infinite homogeneous turbulent flow fields of different scales. This turbulence mixing layer, in which there are no mean velocity gradients, is ideal for studying turbulent energy transport. The velocity joint pdf equation is closed by using the Langevin model and is solved by a Monte Carlo method. A novel - and essential - component in the present model is a Lagrangian equation for the dissipation. The model calculations are compared to the experimental data of Veeravalli and Warhaft. There is good agreement between the calculated and measured velocity skewness and excesses, which are the most revealing statistics.

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M3 - Conference contribution

BT - Unknown Host Publication Title

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Pope SB, Haworth DC. MIXING LAYER BETWEEN TURBULENT FIELDS OF DIFFERENT SCALES. In Unknown Host Publication Title. 1985