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当前位置: 首页 > 文章 > Development and experimental verification of a mathematical expression for the discharge rate of a semi-circular open channel. 国际农业与生物工程学报 2010,3 (3)
Position: Home > Articles > Development and experimental verification of a mathematical expression for the discharge rate of a semi-circular open channel. International Journal of Agricultural and Biological Engineering 2010,3 (3)

Development and experimental verification of a mathematical expression for the discharge rate of a semi-circular open channel.

作  者：
Qu Liqin;Xiubo Yu;Xiao Juan;Tingwu Le
单  位：
PhD;PhD, Prof, College of Water Conservancy & Civil Engineering, China Agricutural Universit
关键词：
discharge;circular;semi;open channel;development;mathematical expressio
摘  要：
Semi-circular open channel plays an important role in various applications and the measurement of its discharge is of interests. In this study, theoretical formulae for free overflow in a semi-circular channel are developed and presented for the discharge and wetted area relationship. The traditional discharge formulation and available experimental data are used to verify and validate the proposed relationships. The discharges calculated by using the proposed relationship show very good agreement with the experimental data sets. The results from this study supply the basis for circular weir development. Keywords: verification, discharge, open channel flow, weir, circular, wetted area, measurement DOI: 10.3965/j.issn.1934-6344.2010.03.0 19 -0 26 Citation: Qu Liqin, Yu Xinxiao, Xiao Juan, Lei Tingwu. Development and experimental verification of a mathematical expression for the discharge rate of a semi-circular open channel. Int J Agric & Biol Eng, 2010; 3(3): 19

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