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考虑弯曲边界曲率效应对水流水力特性的影响，建立了正交曲线坐标系下的紊流数学模型。通过计算实例说明，该数学模型能够很好地预测具有复杂边界的流线弯曲水流的水力特性
Considering the influence of curvature effect of curved boundary on hydraulic characteristics of water flow, a mathematical model of turbulence in orthogonal curvilinear coordinate system is established. The calculation example shows that the mathematical model can well predict the hydraulic characteristics of curved flow with complex boundaries