节流压差计算公式.doc

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1、喷嘴直径计算及喷嘴选择式中,  :为喷嘴直径，mm；  :为喷射压力，bar；  :为喷射流量，L/min；  :为喷嘴个数. 为喷嘴效率系数，对喷枪喷嘴  ，对柔性喷杆 排量m3/min喷嘴3-φ18喷嘴3-φ20喷嘴3-φ22节流压差MPa节流压差MPa节流压差MPa0.50.080.050.0410.330.210.151.50.730.480.3321.30.860.582.52.041.340.9132.941.931.323.53.992.621.7945.223.422.344.56

2、.604.332.9658.155.353.655.59.876.474.42611.747.75.266.513.789.046.17715.9810.487.167.518.3412.048.22820.8713.699.358.523.5615.4610.56926.5217.3311.849.529.4319.3113.191032.6121.4014.61