On turbulent contribution to frictional drag in wall-bounded turbulent flow

Feng Chen Li; Yasuo Kawaguchi; Koichi Hishida; Marie Oshima

doi:10.1088/0256-307X/23/5/045

On turbulent contribution to frictional drag in wall-bounded turbulent flow

Feng Chen Li, Yasuo Kawaguchi, Koichi Hishida, Marie Oshima

Department of System Design Engineering

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

7 Citations (Scopus)

Abstract

We propose a simple model for turbulent contribution to the frictional drag in a wall-bounded turbulent flow based on the characteristic parameters of turbulent bursting events. It is verified on water and drag-reducing surfactant solution flows investigated by particle image velocimetry in experiments. It is obtained that the turbulent contribution to the skin friction factor is linearly proportional to the product of the spatial frequency and strength of turbulent bursts originated from the wall.

Original language	English
Pages (from-to)	1226-1229
Number of pages	4
Journal	Chinese Physics Letters
Volume	23
Issue number	5
DOIs	https://doi.org/10.1088/0256-307X/23/5/045
Publication status	Published - 2006 May 1

ASJC Scopus subject areas

Physics and Astronomy(all)

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AU - Oshima, Marie

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AB - We propose a simple model for turbulent contribution to the frictional drag in a wall-bounded turbulent flow based on the characteristic parameters of turbulent bursting events. It is verified on water and drag-reducing surfactant solution flows investigated by particle image velocimetry in experiments. It is obtained that the turbulent contribution to the skin friction factor is linearly proportional to the product of the spatial frequency and strength of turbulent bursts originated from the wall.

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On turbulent contribution to frictional drag in wall-bounded turbulent flow

Abstract

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