STUDY ON OVERFLOW CHARACTERISTICS OF THIN-ANNULAR WEIRS

LIU Wei-zong; WANG Wen-hai; LI Jun-qi; JIA Gao-feng

doi:10.13205/j.hjgc.202006027

Volume 38 Issue 6

Aug. 2020

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LIU Wei-zong, WANG Wen-hai, LI Jun-qi, JIA Gao-feng. STUDY ON OVERFLOW CHARACTERISTICS OF THIN-ANNULAR WEIRS[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(6): 166-169,227. doi: 10.13205/j.hjgc.202006027

Citation:

LIU Wei-zong, WANG Wen-hai, LI Jun-qi, JIA Gao-feng. STUDY ON OVERFLOW CHARACTERISTICS OF THIN-ANNULAR WEIRS[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(6): 166-169,227. doi: 10.13205/j.hjgc.202006027

LIU Wei-zong, WANG Wen-hai, LI Jun-qi, JIA Gao-feng. STUDY ON OVERFLOW CHARACTERISTICS OF THIN-ANNULAR WEIRS[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(6): 166-169,227. doi: 10.13205/j.hjgc.202006027

Citation:

LIU Wei-zong, WANG Wen-hai, LI Jun-qi, JIA Gao-feng. STUDY ON OVERFLOW CHARACTERISTICS OF THIN-ANNULAR WEIRS[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(6): 166-169,227. doi: 10.13205/j.hjgc.202006027

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STUDY ON OVERFLOW CHARACTERISTICS OF THIN-ANNULAR WEIRS

doi: 10.13205/j.hjgc.202006027

1. Key Laboratory of Urban Stormwater System and Water Environment, Ministry of Education, Beijing University of Civil Engineering and Architecture, Beijing 100044, China;
2. Beijing Advanced Innovation Center for Future Urban Design, Beijing 100044, China

Received Date: 2020-03-24

Abstract

Abstract

The overflow port is an important part of the runoff control facility, but the hydraulic characteristics of the overflow port are currently in shortage of specific research. The design formula of the overflow port in the stormwater management manual at home and abroad was incomplete, which was not sufficient to guide the design calculation. As a representative of the overflow port, the thin-annular weir could also be considered as a macroscopic expression of the 'confluence’. Its height and inner diameter were two geometric elements that characterize the flow-head relationship. The flow-head relationship in different heights and inner diameters was measured by laboratory tests. The results showed that the height of the weir had a certain influence on the overcurrent capability of the thin-annular weir. The dimensionless curve was drawn for the annular thin-walled concrete with different inner diameters, and the general formula was obtained. This research could provide reference for the design calculation of the overflow port in sponge city facilities.
- hydraulic characteristics,
- thin-annular weirs,
- overflow port,
- urban stormwater management,
- sponge city

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References(9)

References

李俊奇,王文亮.基于多目标的城市雨水系统构建与展望[J].给水排水,2015,51(4):1-3

,37.

姚飞骏.雨水口的流量计算方法探讨[J].中国给水排水,2013,29(14):45-48.

BINNIE A M. The use of a vertical pipe as an overflow for a large tank[J]. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 1938, 168(933):219-237.

KALINSKE A A. Hydraulics of vertical drain and overflow pipes. Iowa City, IA: Iowa Institute of Hydraulic Research, 1940.

ANWAR H O. Coefficients of discharge for gravity flow into vertical pipes[J]. J Hydraul Res,1965, 3(1): 1-19.

HUMPHREYS H W, SIGURDSSON G, OWEN H J. Model test results of circular, square and rectangular forms of drop-inlet entrance to closed-conduit spillways[R]. Report of Investigation No. 65. Champaign, IL: Illinois State Water Survey,1970.

BANISOLTAN S, RAJARATNAM N, ZHU D Z. Experimental and theoretical investigation of vertical drains with radial inflow[J]. J Hydraul Eng, 2016,143(5): 04016103.

Department of Environmental and Resource Management (DERM). Queensland Urban Drainage Manual (QUDM)[M]. second ed. Queensland: Queensland Government,2007.

李稳坐,邱勇,尹韬,等.基于堰流基本公式的W型迷宫堰过流能力拟合分析[J].人民珠江,2017,38(7):69-72.

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