Water Wells and Pumps

A. Dedication --
B. Preface to the second edition --
C. Preface to the first edition --
D. Authors' profiles --
1. Ground water resources development and utilization --
The hydrologic cycle --
Types of water-bearing formations --
Types of soil water --
Hydrologic units --
Minerals and rocks --
Influence of physiography and climate on ground water availability --
Hydro-geological formations --
Ground water investigations --
Ground water quality --
Types of water wells --
Ground water resource assessment --
Status of ground water development in india --
Artificial recharge of ground water --
Conjunctive use of ground water with canal water --
Legal aspects of ground water management --
Ground water pollution --
References --
Short questions --
2. Hydraulics of wells --
Definitions --
Aquifer characteristics influencing yield of wells --
Steady state radial flow --
Unsteady state flow --
Pumping tests --
Well interference --
References --
Problems --
Short questions --
3. Open wells --
Open wells in unconsolidated formations --
Open wells in hard rock formations --
Deepening of open wells --
Increasing the yield of open wells --
Failure of open wells due to excessive pumping --
Sanitary protection of wells --
References --
Problems --
Short questions --
4. Tube wells and their design --
Types of tube wells --
Selection of the type of tube well --
Plastic pipes for tube well casings and strainers --
Design of tube wells --
Sanitary protection of tube wells --
Design of skimming wells --
References --
Short questions --
5. Tube well construction --
Construction of bored and driven tube wells --
Tube well drilling equipment and methods --
Percussion drilling --
Hydraulic rotary drilling --
Drilling with down-the-hole hammer and air rotary drills --
Miscellaneous drilling methods --
Choice of drilling method --
Installation of well screens and checking well alignment --
Sealing of brackish and saline aquifer horizons --
References --
Short questions --
6. Development and testing of tube wells --
Objectives of well development --
Methods of well development --
Use of dispersing agents in well development --
Development of a cavity tube well --
Choice of well development method --
Testing of tube wells --
References --
Problems --
Short questions --
7. Rehabilitation of sick and failed tube wells --
Evaluation of well performance for diagnosing cause of failure --
Influence of faulty design, construction and operation on well failures --
Photographic evaluation of well failures --
Mechanical failures and use of fishing tools --
Corrosion and incrustation of well screens --
References --
Short questions --
8. Man and animal powered water lifts and positive displacement pumps --
Manually operated water lifts --
Animal powered water lifts --
Positive displacement pumps --
References --
Problems --
Short questions --
9. Variable displacement pumps and accessories --
Classification of variable displacement pumps --
Centrifugal pumps --
Friction head in pipe system --
Total pumping head --
Cavitation --
Power requirements in pumping --
Pump characteristic curves --
System head curve --
Selection of centrifugal pumps --
Accessories for horizontal volute centrifugal pumps --
Economical pipe size selection --
Selection of pump drive --
References --
Problems --
Short questions --
10. Centrifugal pumps: design, installation, operation, maintenance and troubleshooting --
Design of centrifugal pumps --
Centrifugal pump installation --
Centrifugal pump operation --
Maintenance and trouble-shooting --
References --
Problems --
Short questions --
11. Deep well turbine and submersible pumps --
Vertical turbine pumps --
Submersible pumps --
References --
Short questions --
12. Propeller, mixed flow and jet pumps --
Propeller pumps --
Mixed flow pumps --
Jet pumps --
References --
Short questions --
13. Application of non-conventional energy sources in pumping --
Windmills --
Hydro-power --
Hydraulic ram --
Solar pumps --
Biogas --
Unique requirements in adopting non-conventional energy sources in water pumping --
Benefit-cost ratio of pumping plants operated by alternate energy sources --
References --
Problems --
Short questions --
14. Techno-economic evaluation of projects on wells and pumps --
Technical evaluation --
Availability of ground water resources --
Design of wells and selection of equipment for pumping --
Economic evaluation --
References --
Problems --
Short questions --
A. Appendix a --
B. Appendix b --
C. Appendix c --
D. Appendix d --
Conversion factors.