流量Q = 100 m3 / h,扬程H = 5 m,水泵效率ηP = 0.80,传动机构效率ηC = 0.97,水的密度ρ = 9810 N / m3,由于有300米水平距离,可以将效率降低一点计算。理论功率P=流量×扬程×介质密度÷3600÷泵效率=100x5x9810÷3600÷(0.8x0.97)=1756瓦
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