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Water Wells And Pumps

RRP $256.99

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Design and Build Safe, Efficient Systems for Irrigation and Water Supply

"Water Wells and Pumps" is a comprehensive guide to the essential theory and design of ground water structures, wells/tube wells, and pumps, with particular emphasis on problem solving and meeting the requirements of developing nations. It features thorough, up-to-date knowledge of the science and technology of water wells and pumps as well as allied appliances and applications.

This authoritative desk reference outlines the construction, operation, and maintenance of water wells for irrigation and water supply. It also presents the development and testing of tube wells as well as a variety of pumps, both location-specific. Using SI units exclusively, "Water Wells and Pumps" features: Coverage of a variety of pumps, including those using nonconventional, environmentally friendly means Examinations of ground water recharge methods, well rehabilitation, and animal-powered water lifts Techno-economic evaluation of projects on wells and pumps References and problems at the end of each chapter for research and educational use

Solutions for all problems related to designing secure, reliable systems - Ground water resources development and utilization - Hydraulics of wells - Open wells - Tube wells and their designs - Development and testing of tube wells - Rehabilitation of sick and failed tube wells - Man- and animal-powered water lifts and positive displacement pumps - Variable displacement pumps and accessories - Centrifugal pumps - Deep well turbine and submersible pumps - Propeller, mixed flow, and jet pumps - Applications of nonconventional energy sources in pumping


Absorption Chillers And Heat Pumps

RRP $527.99

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This book offers an in-depth description of absorption chillers and heat pumps, focusing on relatively simple systems that employ working fluids in the liquid and vapor phase. The book provides a thorough explanation of how thermodynamic and transport properties of working fluid mixtures enable them to influence the performance of absorption systems. The student or engineer who is a newcomer to the field will gain a comprehensive knowledge essential for the design and evaluation of absorption systems.
This book establishes a solid background in general thermodynamics for the reader. The properties of working fluid mixtures pertaining to absorption working fluid combinations are discussed, and various thermodynamic diagrams are introduced and explained. Water/lithium-bromide and ammonia/water absorption chillers and heat pumps are described, and their features and characteristics are detailed. Measures for improving efficiency are presented, and internal heat exchange options are analyzed.
Absorption Chillers and Heat Pumps contains extensive examples. It also includes a demonstration copy of the Engineering Equation Solver (EES) program and program files for all of the examples in the text. Problems are listed at the end of major chapters. This unique book is a superior upper-level textbook for students, and a valuable reference source for engineers.


Water Purification Using Heat Pumps

RRP $444.99

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This book is the result of a long-term co-operative research and professional development programme between the Instituto de Investigaciones Electricas (IIE), Mexico, and the University of Salford, UK. It provides the design basis for the fabrication of small and large scale commercial absorption heat pump systems, and includes a comprehensive treatment of the economics of heat pump systems. It charts the development of heat pump technology from theoretical principles to the operation of practical systems for the purification of water, both for human consumption and a wide variety of industrial purposes.
In addition to the increasing demand for potable water there is a rapidly increasing demand for clean water in industries ranging from foodstuffs and pharmaceuticals to electronics. This book will be essential reading for industrial engineers and others concerned with the cost-effective, environmentally friendly production of clean water.


Eat The Watermelon ... Spit Out The Seeds!

RRP $44.99

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Do you feel that you have fallen so deep into the depths of sin that you are destined to be lost for an eternity?

Have you lost all hope in this life?

Look up!

Jesus has his hand extended to you!

He will forgive you, place you on the path called "straight" and provide complete restoration for your soul!

He is there to welcome you back into the family of God.

Jesus loves you--TODAY is your Day of Salvation!


A Pumpkin Prayer

RRP $17.99

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Little ones will delight in the wonders of this special time of year and learn to be thankful to God for His blessings. Colorful pumpkins, crunching leaves, crisp breezes--celebrate the abundance of the harvest season through charming illustrations and sweet rhymes that are perfect for young hearts. Families will want to look for other titles in the new Time to Pray series including An "I Love You" Prayer.Meets national education standards.



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