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多孔管出流的水力计算是渗灌工程规划、设计的重要内容之一。关于这方面的计算方法及计算公式,目前在工程中应用比较广泛的有两种,一种是武汉水利电力大学刘忠潮教授推导的沿程变流量的计算公式;另一种是美籍华人吴义伯教授根据哈——威公式推导的多孔管均匀出流计算公式。但是,这两种计算公式都是在假定均匀出流的基础上
The hydraulic calculation of porous pipe outflow is one of the important contents of infiltration engineering planning and design. There are two kinds of calculation methods and formulas that are widely used in engineering at present. One is the calculation formula of variable flow along the way deduced by Professor Liu Zhongchao of Wuhan University of Hydraulic and Electric Engineering. The other is Professor Wu Yi-bo According to ha - Wei formula derived porous pipe uniform outflow formula. However, both formulas are based on the assumption of uniform outflow