PUMPS AND PUMPING STATIONSPDF电子书下载

Chapter 1 Fundamental Conception of Pumps 1

1.1 Definition,Classification and Uses of Pumps 1

1.2 Construction of Impeller Pumps 5

1.3 Pump Performance Parameters 13

Chapter 2 Basic Theory of Impeller Pumps 18

2.1 Basic Equation of Impeller Pumps 18

2.2 Lift Theory of Axial-flow Pump 24

2.3 Similarity Theory for Impeller Pumps 29

2.4 Specific Speed of Pumps 34

Chapter 3 Pump Performance Curves 38

3.1 Theoretical Characteristics 38

3.2 Real Performance Curves 43

3.3 Relative Characteristic 45

3.4 Universal Characteristic 46

3.5 Comprehensive Characteristics 48

3.6 Complete Characteristics 48

Chapter 4 Determination of Operating Conditions 52

4.1 Characteristic of Pumping System 52

4.2 Duty Point(Operating Point)of Pump 53

4.3 Duty Point of Impeller Pumps in Series 54

4.4 Duty Point of Impeller Pumps in Parallel 56

4.5 Duty Point of Pump System with Branch Pipelines 59

Chapter 5 Regulation of Pump Operating Points 62

5 1 Bypass Regulation 62

5.2 Throttling Regulation 63

5.3 Speed Regulation 64

5.4 Cutting Regulation 67

5.5 Regulation of Adjustable Vanes 71

Chapter 6 Cavitation Within Pumps 74

6.1 Cavitation in Pumps 74

6.2 Cavitation Performance Parameters 79

6.3 Cavitation Affinity Laws and Cavitation Specific Speed 83

6.4 Determination of Pump Setting Elevation 86

6.5 Measures Preventing Pumps from Cavitation 88

Chapter 7 Planning of Pumping Stations 89

7.1 Planning of Irrigation Pumping Stations 89

7.2 Planning of Drainage Pumping Stations 98

7.3 Arrangement of Pumping Station Structures 104

Chapter 8 Selection of Pumps and Primary Movers 108

8.1 Choice of Pumps 108

8.2 Selection of Primary Movers 111

8.3 Power Transmission Devices 115

Chapter 9 Auxiliary Equipment 119

9.1 Priming Facilities 119

9.2 Water Supply System 124

9.3 Drainage Water System 129

9.4 Ventilation 133

9.5 Air Compression System 137

9.6 Oil Supply System 142

9.7 Crane Equipment 146

9.8 Trash Removal Equipment 147

9.9 Flap Valve 150

Chapter 10 Inlet Structures 151

10.1 Diversion Channels 151

10.2 Forebay 153

10.3 Suction Sump 157

10.4 Suction Pipes and Inlet Passages 164

Chapter 11 Pump House 173

11.1 Types of Pump House 173

11.2 Arrangement of Internal Equipment and Dimensional Determination of Pump House 179

11.3 Check of Integral Stability ofthe Pump House and the Bearing Capacity of the Subgrade 186

11.4 Stress Analysis of Major Elements 190

Chapter 12 Discharge Pipe and Outlet Sump 203

12.1 Outdoor Discharge Pipe 203

12.2 Analysis of Water Hammer Caused by Power Failure on Pumps 213

12.3 Outlet Sump 218

12.4 Outlet Passages 220

Chapter 13 Operation and Management of Pumping Stations 224

13.1 Operation and Maintenance of Pumping Unit 224

13.2 Optimum Operation of Pumping Stations 229

13.3 Main Technical and Economic Indexes of Pumping Station 233

13.4 Technical and Economic Analysis 237

References 242