An Experimental Study on the Effect of a Hydraulic Structure on the Three-dimensional Flow in a Meandering Channel

Hun, Lee Dong; Jin, Kim Su; Kang, Seokkoo

doi:10.3741/jkwra.2015.48.8.635

J. Korea Water Resour. Assoc.

2015

DOI: 10.3741/jkwra.2015.48.8.635

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An Experimental Study on the Effect of a Hydraulic Structure on the Three-dimensional Flow in a Meandering Channel

Lee Dong Hun¹,

Kim Su Jin²,

Seokkoo Kang³

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2016

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Flume experiments for turbulent flow around a spur dike

Jeon¹,

Kang²

2016

Journal of Korea Water Resources Association

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In this study we carried out laboratory experiments to investigate the three-dimensional turbulent flows around a spur dike installed in a straight open channel flume. The experiments are conducted under the two different Froude numbers, 0.100 and 0.185. The three-dimensional instantaneous velocities are measured using the Acoustic Doppler Velocimetry (ADV) to obtain the time-averaged velocities and the turbulence stresses. The measured flow field reveal the existence of the recirculation zones downstream of the dike, which is characterized by high turbulence stresses near its boundaries. The results show that although the overall mean flow patterns between the low and high Froude number cases are very similar to each other, there exist moderate changes in the maximum dimensionless turbulence stresses and the maximum dimensionless bed shear stress with the increase of the Froude number.

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Flume experiments for turbulent flow around a spur dike

Jeon¹,

Kang²

2016

Journal of Korea Water Resources Association

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An Experimental Study on the Effect of a Hydraulic Structure on the Three-dimensional Flow in a Meandering Channel

Cited by 1 publication

References 19 publications

Flume experiments for turbulent flow around a spur dike

Flume experiments for turbulent flow around a spur dike

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