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Experimental Investigation of Hydrodynamic Characteristics of Overland Flow with Geocell

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Abstract

The hydrodynamic characteristics of the overland flow with a geocell slope are different from those of traditional flows because of its special structure. In this paper, a hydraulic flume with different slope gradients is used to study the hydrodynamic characteristics of the overland flow with geocell. The differences of flow characteristics between the overland flow with the geocell slope and the traditional flows are studied, and the hydrodynamic characteristics are obtained, including the flow pattern, the flow velocity and the hydraulic friction factor for the slope flow with geocell under different flow rates and slope gradients. The results show that there is a positive power function relationship between the rill depth of the slope surface (h) and the drag coefficient of the Darcy Weisbach (f). There is a positive logarithmic function relationship between the drag coefficient f and the Reynolds number Re d , and there is a negative power function relationship between the drag coefficient f and the Froude number Fr.

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Authors and Affiliations

  1. School of Civil Engineering, Shandong University, Jinan, 250061, China

    Guang-yue Wang & Xin-hua Wang

  2. School of Automotive Engineering, Shandong Jiaotong University, Jinan, 250023, China

    Yong-hui Liu

Authors
  1. Guang-yue Wang
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  2. Yong-hui Liu
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  3. Xin-hua Wang
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Corresponding author

Correspondence to Guang-yue Wang.

Additional information

Project supported by the National Natural Science Foundation of China (Grant No.11072133).

Biography: WANG Guang-yue (1963-), Male, Professor

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Wang, Gy., Liu, Yh. & Wang, Xh. Experimental Investigation of Hydrodynamic Characteristics of Overland Flow with Geocell. J Hydrodyn 24, 737–743 (2012). https://doi.org/10.1016/S1001-6058(11)60298-9

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  • DOI: https://doi.org/10.1016/S1001-6058(11)60298-9

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