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8/14/2019 Pump 1/2548
1/4
1 5 (Pump / Fan / Compressor) 1/2548
6 5 20 1. 100 (Pump Head) 100 75 kW(100) 380/3/50 1470 ? (20 )
2. (Centrifugal Fan) 10 (Pump Head)100 NPSHR (Net Positive Suction Head required) 3 80OC 3 4 10 ? (20 )
8/14/2019 Pump 1/2548
2/4
2 5 (Pump / Fan / Compressor) 1/2548
3. (Centrifugal Fan) (Pulley) () 20 . () 40 . 25 . ? ? (20 )
4.(Centrifugal Fan)
2 (Fan Total Efficiency / FanMechanical Efficiency) (Fan Static Effiency)
60% 50% (StaticPressure) 500 Pa () (20 )
8/14/2019 Pump 1/2548
3/4
3 5 (Pump / Fan / Compressor) 1/2548
5.(Air Compressor) (101kPa) 5 (808 kPa) (20 )
8/14/2019 Pump 1/2548
4/4
4
5 (Pump / Fan / Compressor) 1/2548
6.(Air Compressor)()(IsentropicPower) (Brake/Shaft Power) (IsentropicEfficiency)
70% 0.2 100 kPa 800 kPa
kW () (20 )