Statistical properties of random distribution of strained vortices in turbulence

N. Hatakeyama; T. Kambe

doi:10.1007/978-94-011-5118-4_83

Statistical properties of random distribution of strained vortices in turbulence

N. Hatakeyama, T. Kambe

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

2 Citations (Scopus)

Abstract

At high Reynolds numbers, a number of elongated intense vortex structures are observed to distribute randomly in space, which has been reported in recent computer simulations [1, 2] and experiments [3] of turbulence. These are called the worm structures. Each worm is found to be the Burgers vortex under local straining [2] and to be responsible for the signal usually referred to as intermittency [3]. Bearing these in mind, statistical properties of a model field associated with a random distribution of the isolated Burgers vortices are investigated and found to be in good agreement with those obtained in the real turbulence field [4].

Original language	English
Pages (from-to)	339-342
Number of pages	4
Journal	Fluid Mechanics and its Applications
Volume	46
DOIs	https://doi.org/10.1007/978-94-011-5118-4_83
Publication status	Published - 1998 Jan 1
Externally published	Yes

Keywords

High Reynolds Number
Inertial Range
Isotropic Turbulence
Probability Distribution Function
Structure Function

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Fluid Flow and Transfer Processes

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abstract = "At high Reynolds numbers, a number of elongated intense vortex structures are observed to distribute randomly in space, which has been reported in recent computer simulations [1, 2] and experiments [3] of turbulence. These are called the worm structures. Each worm is found to be the Burgers vortex under local straining [2] and to be responsible for the signal usually referred to as intermittency [3]. Bearing these in mind, statistical properties of a model field associated with a random distribution of the isolated Burgers vortices are investigated and found to be in good agreement with those obtained in the real turbulence field [4].",

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AU - Kambe, T.

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N2 - At high Reynolds numbers, a number of elongated intense vortex structures are observed to distribute randomly in space, which has been reported in recent computer simulations [1, 2] and experiments [3] of turbulence. These are called the worm structures. Each worm is found to be the Burgers vortex under local straining [2] and to be responsible for the signal usually referred to as intermittency [3]. Bearing these in mind, statistical properties of a model field associated with a random distribution of the isolated Burgers vortices are investigated and found to be in good agreement with those obtained in the real turbulence field [4].

AB - At high Reynolds numbers, a number of elongated intense vortex structures are observed to distribute randomly in space, which has been reported in recent computer simulations [1, 2] and experiments [3] of turbulence. These are called the worm structures. Each worm is found to be the Burgers vortex under local straining [2] and to be responsible for the signal usually referred to as intermittency [3]. Bearing these in mind, statistical properties of a model field associated with a random distribution of the isolated Burgers vortices are investigated and found to be in good agreement with those obtained in the real turbulence field [4].

KW - High Reynolds Number

KW - Inertial Range

KW - Isotropic Turbulence

KW - Probability Distribution Function

KW - Structure Function

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