Refer to the compressor curves given in Figure 21. 11.

Figure 21.11

a. At a flowrate of \(125 \mathrm{Mg} / \mathrm{h}\), what is the exit pressure from the compressor operating at 3500 rpm if the inlet pressure is 2 bar?

b. If the feed pressure is 4 bar and the compressor is operating at \(2200 \mathrm{rpm}\), how can you obtain an outlet pressure of 9 bar at \(125 \mathrm{Mg} / \mathrm{h}\) ?

c. It is necessary to raise the pressure from 2 bar to 24 bar at \(125 \mathrm{Mg} / \mathrm{h}\). How could this be accomplished at each rpm? Which method do you recommend?

Transcribed Image Text:

Pressure Ratio, Pout/Pin 2 Surge Line 2200 rpm 3500 rpm 0 50 100 150 200 250 Flowrate (Mg/h)