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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.


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.


Centrifugal Pump Technology And Pump Cavitation

RRP $274.99

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Centrifugal pump technology involves a broad spectrum of flow phenomena, which have a profound impact on design and operation through the achieved efficiency, the stability of the head-capacity characteristic, component failure due to fatigue, as well as material damage caused by cavitation, hydro-abrasive wear or erosion corrosion. Operation and life cycle costs of pumping equipment depend to a large extent on how well these phenomena and the interaction of the pump with the system are understood. The book comprises thirteen chapters covering: theory of centrifugal pump impeller, design of mixed flow impellers, pump casing, hydraulic performance, leakage-disk friction and mechanical losses, water hammer, special operating conditions, and its applications. The book also describes cavitation in pumps, and how unacceptable cavitation can be avoided with the aid of an inducer or using a bleeding system. It explains cavitation problems such as hydraulic performance loss, hydro-dynamically or thermodynamically induced surging, and cavitation erosion/corrosion. The book aims to be simple as is compatible with reasonably complete treatment of the subject. The mathematics has been kept as elementary as possible and many of the standard proofs have been simplified. This book is intended for professional engineers, researchers, specialist students, plant operators and maintenance personnel, plant engineers, and consulting engineers.


Freshwater Fishing

RRP $12.99

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Freshwater Fishing is a convenient quick reference to the topics every novice angler needs to know. Printed on innovative, truly waterproof material, this pocket guide provides information on all the basics including basic equipment, how to cast, fishing methods for different species, how to land, gut and fillet a fish, where to find fish on lakes and rivers, when to fish, the most common species of freshwater fish and the hook size and method that applies to each. An indispensable guide for any novice's tackle box.


Pumpkin Circle

RRP $15.99

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We can be sure of this: It's a circle without end. It'¬?s pumpkin seeds to pumpkins To pumpkin seeds again! This treat of a picture book comes cloaked in the colors of fall. Bouncy verse and glowing photographs show a backyard pumpkin patch move through its natural cycle -- a bug'¬?s eye and a bird's high view of seeds sprouting, flowers blooming, bees buzzing, pumpkins growing . . .and then going back to earth. An author's note explains how to grow your own pumpkin. Educators, please visit our Resources section, above, for teaching guides and curricula. Awards1999 Parent'¬?s Guide AwardReviews"If you weren't a pumpkin lover before, you will be after checking this neat book out." -Fast Forward magazine "Eye-catching full-color photography and rhyming text. . . . An excellent choice for fall pumpkin studies."-Public Schools of North Carolina's Infotech"Your books will help us put an emphasis on early reading and help improve the stereotypes and misconceptions surrounding farmers and agriculture."-American Farm Bureau Foundation for Agriculture


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