Low-order velocity structure functions in relatively high Reynolds number turbulence

R. A. Antonia; B. R. Pearson

doi:10.1209/epl/i1999-00461-5

Low-order velocity structure functions in relatively high Reynolds number turbulence

R. A. Antonia, B. R. Pearson

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

10 Citations (Scopus)

Abstract

Measured second-and third-order moments of longitudinal and transverse velocity increments are examined for relatively large values of the Taylor microscale Reynolds number R_λ in highly turbulent shear flows. The results support an approach to a Kolmogorov-like inertial range only at very large values of R_λ. Correspondingly, the difference between inertial range power law exponents of longitudinal and transverse velocity structure functions continues to diminish as R_λ increases.

Original language	English
Pages (from-to)	163-169
Number of pages	7
Journal	Europhysics Letters
Volume	48
Issue number	2
DOIs	https://doi.org/10.1209/epl/i1999-00461-5
Publication status	Published - 15 Oct 1999
Externally published	Yes

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title = "Low-order velocity structure functions in relatively high Reynolds number turbulence",

abstract = "Measured second-and third-order moments of longitudinal and transverse velocity increments are examined for relatively large values of the Taylor microscale Reynolds number Rλ in highly turbulent shear flows. The results support an approach to a Kolmogorov-like inertial range only at very large values of Rλ. Correspondingly, the difference between inertial range power law exponents of longitudinal and transverse velocity structure functions continues to diminish as Rλ increases.",

author = "Antonia, \{R. A.\} and Pearson, \{B. R.\}",

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AU - Antonia, R. A.

AU - Pearson, B. R.

PY - 1999/10/15

Y1 - 1999/10/15

N2 - Measured second-and third-order moments of longitudinal and transverse velocity increments are examined for relatively large values of the Taylor microscale Reynolds number Rλ in highly turbulent shear flows. The results support an approach to a Kolmogorov-like inertial range only at very large values of Rλ. Correspondingly, the difference between inertial range power law exponents of longitudinal and transverse velocity structure functions continues to diminish as Rλ increases.

AB - Measured second-and third-order moments of longitudinal and transverse velocity increments are examined for relatively large values of the Taylor microscale Reynolds number Rλ in highly turbulent shear flows. The results support an approach to a Kolmogorov-like inertial range only at very large values of Rλ. Correspondingly, the difference between inertial range power law exponents of longitudinal and transverse velocity structure functions continues to diminish as Rλ increases.

UR - https://www.scopus.com/pages/publications/0033517389

U2 - 10.1209/epl/i1999-00461-5

DO - 10.1209/epl/i1999-00461-5

M3 - Article

SN - 1286-4854

VL - 48

SP - 163

EP - 169

JO - Europhysics Letters

JF - Europhysics Letters

IS - 2

ER -

Low-order velocity structure functions in relatively high Reynolds number turbulence

Abstract

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