Pelton Turbines

Front Matter....Pages i-xiii
Introduction....Pages 1-11
Working Principle of Pelton Turbines....Pages 13-28
Injector Characteristics....Pages 29-51
Jet Characteristics and Measurements....Pages 53-62
Interaction Between the Jet and Pelton Wheel....Pages 63-96
Fluid Mechanics in the Rotating Bucket....Pages 97-126
Water Spreading in the Rotating Bucket....Pages 127-133
Exit Flow Conditions....Pages 135-147
Exit Flows and Hydraulic Losses....Pages 149-158
Friction Effects and FFT Theorem....Pages 159-170
Viscous Cross-Flow Through the Bucket....Pages 171-178
Viscous Longitudinal Flow Through the Bucket....Pages 179-194
Friction and Windage Losses in Pelton Wheels....Pages 195-202
Power Loss Due to Bearing Frictions....Pages 203-205
Hydraulic and Mechanical Efficiency....Pages 207-209
Real Hydraulic Efficiency Characteristics....Pages 211-220
Runaway Speed and Acceleration Profile....Pages 221-230
Hydraulic Design of Pelton Turbines....Pages 231-241
Multi-jet Pelton Turbines....Pages 243-246
Geometric and Hydraulic Similarities....Pages 247-251
Model Turbine Tests and Efficiency Scale-Up....Pages 253-256
Sand Abrasion and Particle Motion in the Bucket Flow....Pages 257-278
Bucket Mechanical Strength and Similarity Laws....Pages 279-286
Back Matter....Pages 287-311