Stationarity of Lagrangian velocity in compressible environments (Q1849333)
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scientific article; zbMATH DE number 1836984
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Stationarity of Lagrangian velocity in compressible environments |
scientific article; zbMATH DE number 1836984 |
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Stationarity of Lagrangian velocity in compressible environments (English)
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1 December 2002
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The author studies the transport of a particle by a random \(d\)-dimensional Gaussian compressible velocity field as a model for Lagrangian picture of turbulent transport. It known that if the field is incompressible, the so-called Lagrangian velocity process is statistically stationary. It is shown that for a given sufficient temporal decorrelation of the velocity statistics there exists a transformation of the original probability measure under which the Lagrangian velocity process is time-stationary.
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turbulent transport
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random vector fields
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compressible environment
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particle transport
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Gaussian compressible velocity field
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Lagrangian turbulent transport
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Lagrangian velocity process
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probability measure
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time-stationarity
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