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通过一种较高环流系数涡轮的一系列不同相对节距的实验，得出了不同相对节距对高环流系数涡轮特性（扭矩、压降和效率等）的影响，并通过实验曲线分析了造成这种影响的原因。最后得出叶栅密度对高环流系数涡轮影响的几点结论。
The effects of different relative pitches on the turbine characteristics (torque, pressure drop and efficiency) of a high circulation coefficient were obtained through a series of experiments with different relative pitches of a higher circulation coefficient turbine. The experimental curves were used to analyze the influence The reason for this impact. At last, some conclusions about the influence of cascade density on turbine with high circulation coefficient are obtained.