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恒液位水箱侧槽水面线的数值计算和实验研究
引用本文:吴国玢,戴薇.恒液位水箱侧槽水面线的数值计算和实验研究[J].上海理工大学学报,1987(1).
作者姓名:吴国玢  戴薇
作者单位:上海机械学院动力工程学院 (吴国玢),上海机械学院动力工程学院(戴薇)
摘    要:本文从流体力学基本原理出发,建立了水流量标准装置恒液位水箱侧槽流动的基本微分方程式,并运用数值方法求得其近似解。根据有限差分法计算的侧槽水面线与实验结果基本吻合。在此基础上,本文分别对于水平和倾斜槽底这两种情况提出了进行工程设计的方法和实用计算公式。至此,作为文献1]、2]的延续和补充,本文完全解决了水流量标准装置恒液位水箱水面结构的设计方法问题。

关 键 词:水力学  流量计量  检定装置  水面曲线

The Numerical Analysis and Experimental Study of the Surface Profiles of the Side-channel Flow in a Constant-head Tank
Wu Guobing Dai Wei.The Numerical Analysis and Experimental Study of the Surface Profiles of the Side-channel Flow in a Constant-head Tank[J].Journal of University of Shanghai For Science and Technology,1987(1).
Authors:Wu Guobing Dai Wei
Institution:Wu Guobing Dai Wei
Abstract:Based upon the fundamental principles of fluid mechanics, a dimensionless differential equation of motion for the side channel flow in an elevated water tank for the water flow-calibrating system and its numerical solutions under different conditions is presented in this article.The results of computation of the surface profiles of the side channel flow are basically in agreement with the experimental data. By virture of them, the authors have developed the procedures of engineering designing and practical formulas for both level and sloping bottom side channels. As a continuation arid supplement of literature1] and2], the paper has completely solved the designing problem of the surface structure of the elevated reservoirs in water flowrate calibration facilities.
Keywords:Hydraulics  Flow measurement  Calibrating apparatus  Water surface profile
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