The effect of the Taylor-Görtler vortex on Reynolds stress transport in the rotating turbulent channel flow

Yang Zixuan; Cui Guixiang; Xu Chunxiao; Shao Liang; Zhang Zhaoshun

doi:10.1007/s11433-010-0168-0

The effect of the Taylor-Görtler vortex on Reynolds stress transport in the rotating turbulent channel flow

Yang Zixuan, Cui Guixiang, Xu Chunxiao, Shao Liang, Zhang Zhaoshun

St. Anthony Falls Laboratory

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

5 Scopus citations

Abstract

We investigates the effect of Taylor-Görtler vortex on the Reynolds stress transport in the rotating turbulent channel flow by direct numerical simulation. The Taylor-Görtler vortex is detected by longitudinal average of velocity fluctuation in the channel and defined as TG fluctuation. It has been found that turbulent diffusion is significant in the Reynolds stress transportation at the suction side of rotating turbulent channel in contrast with the turbulent channel flow without rotation and Taylor-Görtler vortex plays an important role in the turbulent diffusion in Reynolds stress transport. The paper focuses on the low and moderate rotation number, but the effect of the rotation number on the Reynolds stress transport is also reported.

Original language	English (US)
Pages (from-to)	725-734
Number of pages	10
Journal	Science China: Physics, Mechanics and Astronomy
Volume	53
Issue number	4
DOIs	https://doi.org/10.1007/s11433-010-0168-0
State	Published - Apr 2010

Bibliographical note

Funding Information:
This work was supported by the National Natural Science Foundation of China (Grant Nos. 10872109, 10828204 and 10925210) and the sponsor from the Sino-French Laboratory LIAMA (97-03).

Keywords

Budget of reynolds stress transportation
Rotating turbulent channel flow
Taylor-görtler vortex
Turbulent diffusion

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10.1007/s11433-010-0168-0

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title = "The effect of the Taylor-G{\"o}rtler vortex on Reynolds stress transport in the rotating turbulent channel flow",

abstract = "We investigates the effect of Taylor-G{\"o}rtler vortex on the Reynolds stress transport in the rotating turbulent channel flow by direct numerical simulation. The Taylor-G{\"o}rtler vortex is detected by longitudinal average of velocity fluctuation in the channel and defined as TG fluctuation. It has been found that turbulent diffusion is significant in the Reynolds stress transportation at the suction side of rotating turbulent channel in contrast with the turbulent channel flow without rotation and Taylor-G{\"o}rtler vortex plays an important role in the turbulent diffusion in Reynolds stress transport. The paper focuses on the low and moderate rotation number, but the effect of the rotation number on the Reynolds stress transport is also reported.",

keywords = "Budget of reynolds stress transportation, Rotating turbulent channel flow, Taylor-g{\"o}rtler vortex, Turbulent diffusion",

author = "Yang Zixuan and Cui Guixiang and Xu Chunxiao and Shao Liang and Zhang Zhaoshun",

note = "Funding Information: This work was supported by the National Natural Science Foundation of China (Grant Nos. 10872109, 10828204 and 10925210) and the sponsor from the Sino-French Laboratory LIAMA (97-03).",

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T1 - The effect of the Taylor-Görtler vortex on Reynolds stress transport in the rotating turbulent channel flow

AU - Zixuan, Yang

AU - Guixiang, Cui

AU - Chunxiao, Xu

AU - Liang, Shao

AU - Zhaoshun, Zhang

N1 - Funding Information: This work was supported by the National Natural Science Foundation of China (Grant Nos. 10872109, 10828204 and 10925210) and the sponsor from the Sino-French Laboratory LIAMA (97-03).

PY - 2010/4

Y1 - 2010/4

N2 - We investigates the effect of Taylor-Görtler vortex on the Reynolds stress transport in the rotating turbulent channel flow by direct numerical simulation. The Taylor-Görtler vortex is detected by longitudinal average of velocity fluctuation in the channel and defined as TG fluctuation. It has been found that turbulent diffusion is significant in the Reynolds stress transportation at the suction side of rotating turbulent channel in contrast with the turbulent channel flow without rotation and Taylor-Görtler vortex plays an important role in the turbulent diffusion in Reynolds stress transport. The paper focuses on the low and moderate rotation number, but the effect of the rotation number on the Reynolds stress transport is also reported.

AB - We investigates the effect of Taylor-Görtler vortex on the Reynolds stress transport in the rotating turbulent channel flow by direct numerical simulation. The Taylor-Görtler vortex is detected by longitudinal average of velocity fluctuation in the channel and defined as TG fluctuation. It has been found that turbulent diffusion is significant in the Reynolds stress transportation at the suction side of rotating turbulent channel in contrast with the turbulent channel flow without rotation and Taylor-Görtler vortex plays an important role in the turbulent diffusion in Reynolds stress transport. The paper focuses on the low and moderate rotation number, but the effect of the rotation number on the Reynolds stress transport is also reported.

KW - Budget of reynolds stress transportation

KW - Rotating turbulent channel flow

KW - Taylor-görtler vortex

KW - Turbulent diffusion

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The effect of the Taylor-Görtler vortex on Reynolds stress transport in the rotating turbulent channel flow

Abstract

Bibliographical note

Keywords

UN SDGs

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