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以拱坝泄洪管低角度自由跌流的消能处理为研究对象，通过二元流和三元流模型试验进行分析比较，得出了考虑空气阻力系数的曲线方程及淹没条件下跃前跃后水深的关系式，提出了水力设计要点和方法．
Taking the low-angle free-fall energy dissipation process of the arch dam as the research object, through the comparison and analysis of the binary flow and the three-component flow model test, the curve equation considering the air resistance coefficient and the jump equation Water depth of the relationship between the proposed hydraulic design points and methods.