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http://dx.doi.org/10.3741/JKWRA.2007.40.1.051

An Estimation of Discharge Coefficients with the Variations of Side Weir Shape  

Song, Jai-Woo (Dept. of Civil Engrg., Hongik Univ.)
Park, Sung-Sik (Disaster Prevention Institute, Hongik Univ.)
Kim, Ji-Ho (Dept. of Civil Engrg., Seoil College)
Publication Information
Journal of Korea Water Resources Association / v.40, no.1, 2007 , pp. 51-62 More about this Journal
Abstract
To estimate more accurately the outflow over a sharp crested side weir, it is necessary to analyze the flow characteristics over side weir and to estimate the discharge coefficient in the weir equation. The purpose of this study is to estimate the discharge coefficients of sharp crested rectangular and triangular side weirs by means of hydraulic model experiments with the variations of upstream Froude number in the main channel and length and apex angle. Experimental results show that the discharge coefficients depend on the shape and geometric conditions of side weir as well as the upstream Froude number in the main channel. Through the multiple regression analysis, formulas of discharge coefficient for rectangular and triangular types are proposed and its applicability is confirmed by comparing estimated and measured discharges over side weirs.
Keywords
side weir; discharge coefficient; discharge over side weir; triangular side weir; multiple regression analysis;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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1 Kumar, C.A., and Pathak, S.H. (1987). 'Triangular side weirs.' Journal of Irrigation and Drainage Engineering, ASCE, Vol. 113, No.1, pp. 98-105   DOI   ScienceOn
2 Cosar, A., and Agaccioglu, H. (2004). 'Discharge coefficient of a triangular side-weir located on a curved channel.' Journal of Irrigation and Drainage Engineering, ASCE, Vol. 130, No.5, pp. 410-423   DOI   ScienceOn
3 Jalili, M.R., and Borghei, S.M. (1996). 'Discussion of 'Discharge coefficient of rectangular side weirs,' by Singh, R., Manivannan, D., and Satyanarayana, T.' Journal of Irrigation and Drainage Engineering, ASCE, Vol. 122, No.2, p. 132   DOI
4 Ranga Raju, K.G., Prasad, B., and Gupta, S.K. (1979). 'Side weir in rectangular channel.' Journal of hydraulics division, ASCE, Vol. 105, No.5, pp, 547-554
5 Subramanya, K., and Awasthy, S.C. (1972). 'Spatially varied flow over side weirs.' Journal of the Hydraulics Division, ASCE, Vol. 98, No.1, pp. 1-10
6 Swamee, P.K., Pathak, S.K., Mohan, M., Agrawal, S.K., and Ali, M.S. (1994). 'Subcritical flow over rectangular side weir.' Journal of Irrigation and Drainage Engineering, ASCE, Vol. 120, No.1, pp. 212-217   DOI   ScienceOn
7 김지호, 이호열, 김윤태, 송재우 (2004). 'Off-line 저류지 횡월류위어의 적정유량계수 제안.' 2004년도 대한토목학희 정기학술대회 논문집, 대한토목학회, pp. 946-951
8 박태선 (2002). '구형 수로내 횡월류 흐름의 특성.' 한국수자원학회논문집, 한국수자원학회, 제35권, 제3호, pp. 251-259   과학기술학회마을
9 Singh, R., Manivannan, D., and Satyanarayana, T. (1994). 'Discharge coefficient of rectangular side weirs.' Journal of Irrigation and Drainage Engineering, ASCE, Vol. 120, No.4, pp. 814-819   DOI   ScienceOn
10 여창건, 김지호, 이호열, 송재우 (2004). '횡월류위어의 유량계수에 관한 실험적 연구.' 2004년도 한국수자원학회 학술발표회 초록집, 한국수자원학회, p. 98
11 Borghei, S.M., Jalili, M.R., and Ghodsian, M. (1999). 'Discharge coefficient for sharp-crested side weir in subcritical flow.' Journal of Hydraulic Engineering, ASCE, Vol. 125, No. 10, pp. 1051-1056   DOI
12 Cheong, H.F. (1991). 'Discharge coefficient of lateral diversion from trapezoidal channel.' Journal of Irrigation and Drainage Engineering, ASCE, Vol. 117, No.4, pp. 461-475   DOI
13 Chow, V.T. (1959). Open channel hydraulics. McGraw-Hill, New York
14 Coleman, G.S. and Smith, D. (1923). The discharging capacity of side weirs. Selected Engineering Paper No.6, Institute of Civil Engineers, London
15 De Marchi, G. (1934). 'Essay on the performance of lateral weirs.' L' Energia Elettrica; Vol. 11, No. 11, pp. 849-860
16 El-Khashab, A., (1975). Hydraulics of flow over side weirs. Ph.D. dissertation, University of Southampton, Southampton, U.K
17 El-Khashab, A, and Smith, K.V.H. (1976). 'Experimental investigation of flow over side weirs.' Journal of Hydraulics Division, ASCE, Vol. 102, No.9, pp. 1255-1268
18 Hager W.H. (1987). 'Lateral outflow over side weirs.' Journal of Hydraulic Engineering, ASCE, Vol. 113, No.4, pp. 491-504   DOI   ScienceOn