Investigation of Relative Depth Effect on Flow Characteristics in Meandering Compound Channel

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SHAHSAVARI HAMED; KHODASHENAS SAEEDREZA; ESMAILI KAZEM

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Journal: Iranian Journal of Soil and Water Research Year:2020 | Volume:51 | Issue:8 Page(s): 2111-2124

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Information Journal Paper

Title

Investigation of Relative Depth Effect on Flow Characteristics in Meandering Compound Channel

Author(s)

SHAHSAVARI HAMED | KHODASHENAS SAEEDREZA | ESMAILI KAZEM | Issue Writer Certificate

Keywords

Curve CoefficientQ1

FloodQ1

Flow PatternQ1

Meander WaterwayQ1

Relative DepthQ1

Abstract

One of the important aspects in describing river behavior is its curvature. The production of successive bends in natural rivers is an inevitable component of the process through which the river changes. Understanding the flow behavior in the interaction between the main channel and the Floodplain, especially during Floods, is necessary to protect soil and water structures. This study was conducted to better understand the hydrodynamics of the middle and turbulent flow in compound meandering channels. According to the natural conditions of most rivers, due to variation of discharge and depth ratios (flow depth in Floodplain to flow depth in the main channel), in this study, a rectangular meander laboratory channel with a constant sinuosity 1. 3 for different depth ratios of 0. 35 and 0. 55 was investigated. The results showed that the size of velocity components (u, v, w) at 0. 35 Relative Depth was greater than 0. 55, which indicating higher vortex strength and interaction intensity between the main channel and Floodplain at lower Relative Depth. Also, by investigating the secondary flows, the existence of clockwise and counterclockwise rotational eddy currents in the main channel and Floodplains and the location of these currents were determined.

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APA: Copy

SHAHSAVARI, HAMED, KHODASHENAS, SAEEDREZA, & ESMAILI, KAZEM. (2020). Investigation of Relative Depth Effect on Flow Characteristics in Meandering Compound Channel. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 51(8 ), 2111-2124. SID. https://sid.ir/paper/380914/en

Vancouver: Copy

SHAHSAVARI HAMED, KHODASHENAS SAEEDREZA, ESMAILI KAZEM. Investigation of Relative Depth Effect on Flow Characteristics in Meandering Compound Channel. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2020;51(8 ):2111-2124. Available from: https://sid.ir/paper/380914/en

IEEE: Copy

HAMED SHAHSAVARI, SAEEDREZA KHODASHENAS, and KAZEM ESMAILI, “Investigation of Relative Depth Effect on Flow Characteristics in Meandering Compound Channel,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 51, no. 8 , pp. 2111–2124, 2020, [Online]. Available: https://sid.ir/paper/380914/en

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