### Abstract

The contribution of coherent structures to the statistics of turbulent flow comprises a central problem in turbulence physics. Adopting a vorticity representation of fluid flow, one can define coherent structures to be vorticity patterns characterized by a number of parameters. In order for such patterns to persist in time their interactions should only cause their transition from one characteristic parameter range to another without simultaneous change of their mathematical definition. This paper presents a novel turbulence model developed in order to address a kind of low dimensional coherent structure capable of representing the dynamically important vorticity field as a collection of its manifestations.

Language | English |
---|---|

Article number | 234503 |

Pages | 1-4 |

Number of pages | 4 |

Journal | Physical Review Letters |

Volume | 90 |

Issue number | 23 |

DOIs | |

Publication status | Published - 13 Jun 2003 |

### Fingerprint

### Keywords

- algebra
- computer simulation
- Navier-Stokes equations
- Reynolds number
- Runge-Kutta methods
- superfluid helium
- turbulent flow
- viscous flow
- vortex flow
- core-spreading method
- quantized turbulence physics
- third order longitudinal structure function
- turbulence decay
- turbulence

### Cite this

*Physical Review Letters*,

*90*(23), 1-4. [234503]. https://doi.org/10.1103/PhysRevLett.90.234503

}

*Physical Review Letters*, vol. 90, no. 23, 234503, pp. 1-4. https://doi.org/10.1103/PhysRevLett.90.234503

**Quantized turbulence physics.** / Kivotides, Demosthenes; Leonard, Anthony.

Research output: Contribution to journal › Article

TY - JOUR

T1 - Quantized turbulence physics

AU - Kivotides, Demosthenes

AU - Leonard, Anthony

PY - 2003/6/13

Y1 - 2003/6/13

N2 - The contribution of coherent structures to the statistics of turbulent flow comprises a central problem in turbulence physics. Adopting a vorticity representation of fluid flow, one can define coherent structures to be vorticity patterns characterized by a number of parameters. In order for such patterns to persist in time their interactions should only cause their transition from one characteristic parameter range to another without simultaneous change of their mathematical definition. This paper presents a novel turbulence model developed in order to address a kind of low dimensional coherent structure capable of representing the dynamically important vorticity field as a collection of its manifestations.

AB - The contribution of coherent structures to the statistics of turbulent flow comprises a central problem in turbulence physics. Adopting a vorticity representation of fluid flow, one can define coherent structures to be vorticity patterns characterized by a number of parameters. In order for such patterns to persist in time their interactions should only cause their transition from one characteristic parameter range to another without simultaneous change of their mathematical definition. This paper presents a novel turbulence model developed in order to address a kind of low dimensional coherent structure capable of representing the dynamically important vorticity field as a collection of its manifestations.

KW - algebra

KW - computer simulation

KW - Navier-Stokes equations

KW - Reynolds number

KW - Runge-Kutta methods

KW - superfluid helium

KW - turbulent flow

KW - viscous flow

KW - vortex flow

KW - core-spreading method

KW - quantized turbulence physics

KW - third order longitudinal structure function

KW - turbulence decay

KW - turbulence

UR - http://www.scopus.com/inward/record.url?scp=0041810554&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.90.234503

DO - 10.1103/PhysRevLett.90.234503

M3 - Article

VL - 90

SP - 1

EP - 4

JO - Physical Review Letters

T2 - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 23

M1 - 234503

ER -