NDLI: Numerical Study on a Turbulent Open-channel Flow with Aspect Ratio of 6 by Using of Large Eddy Simulation

Content Provider	Semantic Scholar
Author	Onitsuka, Kouki Nezu, I.
Copyright Year	2001
Abstract	A numerical simulation on turbulent open-channel flow, which has an aspect ratio (channel width/flow depth) of 6, was conducted by using of a large eddy simulation (LES). In this study, 1-equation model was used. The numerical results of time-averaged mean velocity, Reynolds stress and secondary currents well correspond to the experimental data which were measured by Nezu & Rodi by making use of a laser Doppler anemometer with high accuracy. The instantaneous flow fields in the cross section and horizontal planes were investigated. The instantaneous secondary currents were observed far away from the side-wall. The magnitude of the secondary currents is more than 20% of the streamwise velocity
Starting Page	553
Ending Page	558
Page Count	6
File Format	PDF HTM / HTML
DOI	10.2208/prohe.45.553
Volume Number	45
Alternate Webpage(s)	https://www.jstage.jst.go.jp/article/prohe1990/45/0/45_0_553/_pdf/-char/en
Alternate Webpage(s)	https://doi.org/10.2208/prohe.45.553
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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