Calculation Methods of Stilling Basin Depth and End Sill Height inOpen Channel of Trapezoidal Cross Section

doi:10.11988/ckyyb.20140710

JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI ›› 2016, Vol. 33 ›› Issue (1): 48-53.DOI: 10.11988/ckyyb.20140710

• HYDRAULICS • Previous Articles Next Articles

Calculation Methods of Stilling Basin Depth and End Sill Height inOpen Channel of Trapezoidal Cross Section

ZHANG Zhi-chang¹, ZHAO Ying^1,2, WANG Xue -bin³

1.Institute of Water Resources and Hydroelectric Engineering , Xi’an University of Technology, Xi’an 710048, China;
2.Branch of Engineering Experiment and Inspection,PowerChina Northwest Engineering Corporation Limited, Xi’an 710000, China;
3.Sinohydro Corporation Engineering Bureau 15 Co. ,Ltd., Xi’an 710065,China

Received:2014-08-13 Published:2016-01-20 Online:2016-01-20

Abstract

Abstract: In order to explore the calculation methods of stilling basin depth and end sill height, we summarize previous research results about conjugate depth of hydraulic jump in trapezoidal stilling basin and measuring weir(sill)of trapezoidal cross section. According to energy equation, we present the calculation methods of stilling basin depth and sill height with trapezoidal cross section for 3 types of stilling basin, namely, deepened style, baffle wall style, and comprehensive style. On the basis of this, we put forward calculation formulas of stilling basin depth and sill height and exhibit the calculation process through examples. Finally, the calculation formulas can be taken as a reference for the design of trapezoidal stilling basins.

Key words: open channel, trapezoidal cross section, stilling basin, stilling basin depth, end sill height, hydraulic calculation

CLC Number:

TV135.2

ZHANG Zhi-chang, ZHAO Ying, WANG Xue -bin. Calculation Methods of Stilling Basin Depth and End Sill Height inOpen Channel of Trapezoidal Cross Section[J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2016, 33(1): 48-53.

[1]	CAO Xiang-nan, YAO Shi-ming, DING Bing, FAN Da-fu. Model Experiment on the Influence of Ships on the Flow Motion in Open Channel [J]. Journal of Yangtze River Scientific Research Institute, 2024, 41(5): 87-94.
[2]	LIU Bo-cheng, LI Guang-ning, HAN Yan-cheng, LIU Yong-de, SUN Shuang-ke. Experimental Study on Optimizing Energy Dissipation by Adding Pier to Steep Chute of Open Channel in Wet Collapsible Loess Area [J]. Journal of Yangtze River Scientific Research Institute, 2024, 41(5): 95-102.
[3]	FU Ming-huan, ZHANG Zhi-chang. Head Loss of Hydraulic Jump in Rectangular Open Channel [J]. Journal of Yangtze River Scientific Research Institute, 2021, 38(4): 70-74.
[4]	LI Song-ping, TAO Ming, JIN Zhong-wu, HU De-chao. Hydrodynamics of Channel Alternating between Open Channel and Sinking Stream in Karst Area: Model and Its Application [J]. Journal of Yangtze River Scientific Research Institute, 2021, 38(3): 9-15.
[5]	FU Ming-huan, QIAN Jia-huan. Calculating Local Head Loss Coefficient and Sequent Depth ofR-jump in an Abruptly Expanding Stilling Basin [J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2020, 37(5): 79-84.
[6]	LONG Jian, NIU Zheng-ming, LI Qi-long. Three-dimensional Numerical Simulation of Turbulent Flow with Contraction Jet in Stilling Basin with Step-down Floor [J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2020, 37(1): 67-72.
[7]	XIA Wei, CHEN He-chun, WANG Ji-bao, LIU Chao-fan, CHEN Yan-chao, CHEN Shi-tong. Characteristics of Turbulent Velocity in Open Channel Based on Chaos Theory [J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2019, 36(12): 65-70.
[8]	WU Hao, LIU Han-sheng, JIN Shuo. A New Method of Calculating the Shape of Transition Section with Curved Side-wall in Open Channel [J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2017, 34(8): 68-71.
[9]	FAN Min, ZHU Yuan-le, JIANG Yao-zu, WANG Zhi-juan. Constitution of Mechanical Energy Loss of Steady Uniform Flow in Open Channel [J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2017, 34(6): 67-71.
[10]	FU Ming-huan,LU Zhi-nan, HUI Xiang-ming, ZHENG Yan, SUN Pei-xue. Deduction and Verification of the Calculation Foumula for Lengthof Abruptly Expanding Hydraulic Jump [J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2017, 34(4): 48-51.
[11]	LIANG Yan, ZHOU Chi, DUAN Wen-gang. Characteristics of Hydraulic Jump in Stilling Basin with Upstream Diffusion Slope [J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2017, 34(3): 53-57.
[12]	YU Jian-hua, TIAN Zhong, LI Nan. Roughness Coefficient of Semicircle Open Channel with Vertical Bars [J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2017, 34(10): 64-67.
[13]	CAO Jing-jing, SHEN Hong-bin. Method of Calculating Average Boundary Shear Stress in Trapezoidal Open Channels [J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2016, 33(12): 51-54.
[14]	ZHANG Zhi-chang, JIA Bin. Integral Algorithm for Water Surface Profile of Horseshoe Cross Section of Standard TypeⅡ [J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2015, 32(4): 59-64.
[15]	DAI Shu-bing,LIU Han-sheng,ZHENG Xin-qiao,MA Yu-lei,YANG Ji-jian. Study on Rules of Impact Pressure of Base in Stilling Basin for X-typed Flaring Gate Pier [J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2015, 32(11): 30-33.

Calculation Methods of Stilling Basin Depth and End Sill Height inOpen Channel of Trapezoidal Cross Section

PDF

Knowledge

Abstract

Cite this article

share this article

Related Articles 15

Recommended Articles

Metrics

Comments