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基于悬链线形渠道断面几何特点,根据均匀流基本方程推导出了悬链线形渠道正常水深的直接计算公式,并根据临界流方程,通过适当的数学变换,得到了计算悬链线形渠道临界水深的无量纲关系式,从而获得了两种水深的计算方法。采用Matlab语言编程对某悬链线形渠道断面临界水深的计算结果表明,该计算方法简单、结果精确,便于在实际工程中推广应用。
Based on the geometric characteristics of cross-section of catenary channel, a direct calculation formula of normal water depth of catenary linear channel is deduced according to the uniform flow basic equation. According to the critical flow equation, the critical depth of catenary channel Dimensionless relations, which obtained two methods of calculating the depth. The result of calculation of the critical depth of a catenary channel by Matlab language programming shows that the method is simple and the result is accurate, which is convenient for popularization and application in practical engineering.