Water wells & pumps / by S D Khepar, A M Michael, S K Sondhi.

Format:

Book

Author/Creator:

Michael, A. M. (Arayathinal Michael), 1930-2021, author.

Khepar, S. D., author.

Sondhi, S. K., author.

Language:

English

Subjects (All):

Wells--Design and construction.

Wells.

Wells--Maintenance and repair.

Pumping machinery--Design and construction.

Pumping machinery.

Pumping machinery--Maintenance and repair.

Water-supply, Rural--Developing countries.

Water-supply, Rural.

Physical Description:

1 online resource

Edition:

2nd ed.

Place of Publication:

New York, N.Y. : McGraw-Hill Education LLC., c2008.

Contents:

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

Problems

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

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

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

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

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

8. Man and animal powered water lifts and positive displacement pumps

Manually operated water lifts

Animal powered water lifts

Positive displacement pumps

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

10. Centrifugal pumps: design, installation, operation, maintenance and troubleshooting

Design of centrifugal pumps

Centrifugal pump installation

Centrifugal pump operation

Maintenance and trouble-shooting

11. Deep well turbine and submersible pumps

Vertical turbine pumps

Submersible pumps

12. Propeller, mixed flow and jet pumps

Propeller pumps

Mixed flow pumps

Jet pumps

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

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

A. Appendix a

B. Appendix b

C. Appendix c

D. Appendix d

Conversion factors.

Notes:

Includes bibliographical references and indexes.

Description based on cover image and table of contents, viewed on Jan. 20, 2015.

ISBN:

0070657068

9780070657069

Access Restriction:

Restricted for use by site license.