Multiscaling in passive scalar advection as stochastic shape dynamics

O. Gat; R. Zeitak

doi:10.1007/978-94-011-5118-4_132

Multiscaling in passive scalar advection as stochastic shape dynamics

O. Gat
, R. Zeitak

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

Abstract

The study of intermittency in fluid turbulence is hampered by the lack of understanding of its basic mechanism [1]. The Kraichnan model of passive scalar advection by a rapidly varying velocity [2] is an example of a simplified model which displays intermittency, which is believed to be related to intermittency in turbulence. A mechanism for the generation of multiscaling in the Kraichnan model has been identified, and multiscaling exponents have been calculated by several methods [3, 4, 5, 6, 7].

Original language	English
Pages (from-to)	535-538
Number of pages	4
Journal	Fluid Mechanics and its Applications
Volume	46
DOIs	https://doi.org/10.1007/978-94-011-5118-4_132
State	Published - 1998
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 1998 Kluwer Academic Publishers.

Keywords

Anomalous Scaling
Lagrangian Trajectory
Order Correlation Function
Stochastic Partial Differential Equation
Zero Mode

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10.1007/978-94-011-5118-4_132

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abstract = "The study of intermittency in fluid turbulence is hampered by the lack of understanding of its basic mechanism [1]. The Kraichnan model of passive scalar advection by a rapidly varying velocity [2] is an example of a simplified model which displays intermittency, which is believed to be related to intermittency in turbulence. A mechanism for the generation of multiscaling in the Kraichnan model has been identified, and multiscaling exponents have been calculated by several methods [3, 4, 5, 6, 7].",

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KW - Anomalous Scaling

KW - Lagrangian Trajectory

KW - Order Correlation Function

KW - Stochastic Partial Differential Equation

KW - Zero Mode

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JF - Fluid Mechanics and its Applications

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Multiscaling in passive scalar advection as stochastic shape dynamics

Abstract

Bibliographical note

Keywords

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