Analysis of the Influence of Inlet Guide Vanes on the Performance of Shaft Tubular Pumps

Figure 1

Two-dimensional diagram of the hydraulic machinery test bench (1: auxiliary pump motor; 2: auxiliary pump; 3: solenoid globe valve; 4: shut-off valve; 5: auxiliary pump; 6: electromagnetic flowmeter; 7: electric control gate valve; 8: vacuum water tank; 9: main motor; 10: shaft tubular pump device; 11: pressure water tank; and 12: water storage tank).