Performance Improvement of a Micro Impulse Water Turbine Based on Orthogonal Array

Figure 3

Schematic diagram of experimental apparatus. (1) Water supply pump; (2) motor; (3) electromagnetic flowmeter; (4) regulating valve; (5) pressure gauge; (6) tested water turbine; (7) torque-revolution speed transducer; (8) magnetic powder brake; (9) measuring system.