MIXING LAYER BETWEEN TURBULENT FIELDS OF DIFFERENT SCALES.

S. B. Pope; D. C. Haworth

MIXING LAYER BETWEEN TURBULENT FIELDS OF DIFFERENT SCALES.

S. B. Pope, D. C. Haworth

Mechanical Engineering

Research output: Contribution to conference › Paper › peer-review

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 language	English (US)
Pages	15. 19-15. 24
State	Published - 1985

All Science Journal Classification (ASJC) codes

General Engineering

Cite this

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title = "MIXING LAYER BETWEEN TURBULENT FIELDS OF DIFFERENT SCALES.",

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.",

author = "Pope, {S. B.} and Haworth, {D. C.}",

year = "1985",

language = "English (US)",

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AU - Pope, S. B.

AU - Haworth, D. C.

PY - 1985

Y1 - 1985

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 - Paper

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SP - 15. 19-15. 24

ER -

MIXING LAYER BETWEEN TURBULENT FIELDS OF DIFFERENT SCALES.

Abstract

All Science Journal Classification (ASJC) codes

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