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Heat Pumps For Energy Efficiency And Environmental Progress

Author: J. Bosma
Publisher: Elsevier
ISBN: 0444596550
Size: 18.37 MB
Format: PDF
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The 70 papers collected in this volume present an up to date review of the trends in heat pump technology. The heat pump is reviewed both as being part of a more comprehensive system, and as a refined device providing energy and greenhouse gas emission reductions. Its implementation in a system or process must be carefully considered at an early stage of design or development, and process integration is discussed in detail as a valuable tool for industry. The heat pump is proving to be a highly effective energy conserving tool, particularly when designed and used as an integral part of a system. Environmental benefits are gained when energy is conserved, and heat pumps can make a major contribution in this area. However, some heat pumps use working fluids which are environmentally unfriendly, and the progress that has been made in the field of alternative refrigerants is reported on. The volume will prove an indispensable reference source on the wide-ranging applications that have been developed since the last international conference, on such topics as heat pump field trials, pilot plants and development programmes.

1998 Report Of The Refrigeration Air Conditioning And Heat Pumps Technical Options Committee

Author:
Publisher: UNEP/Earthprint
ISBN: 9280717316
Size: 69.16 MB
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The Montreal Protocol on Substances that Deplete the Ozone Layer requires periodic assessments of available scientific, environmental, technical & economic information. This publication is one in a series of Technical Options Committee reports & assesses the situation of refrigeration, air conditioning & heat pumps in relation to the Protocol.

Coabsorbent And Thermal Recovery Compression Heat Pumping Technologies

Author: Mihail-Dan Staicovici
Publisher: Springer Science & Business
ISBN: 3642546846
Size: 34.56 MB
Format: PDF, ePub, Docs
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This book introduces two of the most exciting heat pumping technologies, the coabsorbent and the thermal recovery (mechanical vapor) compression, characterized by a high potential in primary energy savings and environmental protection. New cycles with potential applications of nontruncated, truncated, hybrid truncated, and multi-effect coabsorbent types are introduced in this work. Thermal-to-work recovery compression (TWRC) is the first of two particular methods explored here, including how superheat is converted into work, which diminishes the compressor work input. In the second method, thermal-to-thermal recovery compression (TTRC), the superheat is converted into useful cooling and/or heating, and added to the cycle output effect via the coabsorbent technology. These and other methods of discharge gas superheat recovery are analyzed for single-, two-, three-, and multi-stage compression cooling and heating, ammonia and ammonia-water cycles, and the effectiveness results are given. The author presents absorption-related topics, including the divided-device method for mass and heat transfer analysis, and truncation as a unique method for a better source-task match. Along with advanced gax recovery, the first and second principles of COP and exergy calculation, the ideal point approaching (i.p.a.) effect and the two-point theory of mass and heat transfer, the book also addresses the new wording of the Laplace equation, the Marangoni effect true explanation, and the new mass and heat exchangers based on this effect. The work goes on to explore coabsorbent separate and combined cooling, heating, and power (CHP) production and advanced water-lithium bromide cycle air-conditioning, as well as analyzing high-efficiency ammonia-water heat-driven heating and industrial low-temperature cooling, in detail. Readers will learn how coabsorbent technology is based on classic absorption, but is more general. It is capable of offering effective solutions for all cooling and heating applications (industry, agriculture, district, household, etc.), provided that two supplying heat-sink sources with temperatures outdistanced by a minimum of 12-15oC are available. This book has clear and concise presentation and illustrates the theory and applications with diagrams, tables, and flowcharts.

Low Temperature And Cryogenic Refrigeration

Author: Sadik Kakaç
Publisher: Springer Science & Business Media
ISBN: 9401000999
Size: 33.56 MB
Format: PDF, ePub, Docs
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Refrigeration plays a prominent role in our everyday lives, and cryogenics plays a major role in medical science, space technology and the cooling of low-temperature electronics. This volume contains chapters on basic refrigeration systems, non-compression refrigeration and cooling, and topics related to global environmental issues, alternative refrigerants, optimum refrigerant selection, cost-quality optimization of refrigerants, advanced thermodynamics of reverse-cycle machines, applications in medicine, cryogenics, heat pipes, gas-solid absorption refrigeration, multisalt resorption heat pumps, cryocoolers, thermoacoustic refrigeration, cryogenic heat transfer and enhancement and other topics covering theory, design, and applications, such as pulse tube refrigeration, which is the most efficient of all cryocoolers and can be used in space missions.

A Smarter Greener Grid Forging Environmental Progress Through Smart Energy Policies And Technologies

Author: Kevin B. Jones
Publisher: ABC-CLIO
ISBN: 1440830711
Size: 63.53 MB
Format: PDF, ePub
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The pressing need for a smarter and greener grid is obvious, but how this goal should be achieved is much less clear. This book clearly defines the environmental promise of the smart grid and describes the policies necessary for fully achieving the environmental benefits of the digital energy revolution. • Deciphers the muddled "information" from industry leaders and policymakers about 21st-century energy technology, enabling readers to understand how a smart grid can be a cost-effective tool to benefit the climate • Provides detailed information from case studies of six early smart grid leaders to showcase the strengths and weaknesses of these programs • Identifies the legal and regulatory challenges that could prevent the successful implementation of a smart electric grid, making it clear that the issues are not purely technological • Serves ideally as a primary text for courses on smart grid technology and policy as well as a resource for graduate-level research for energy policy or climate change policy courses

Exergy

Author: Ibrahim Dincer
Publisher: Newnes
ISBN: 0080970907
Size: 11.37 MB
Format: PDF, Docs
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This book deals with exergy and its applications to various energy systems and applications as a potential tool for design, analysis and optimization, and its role in minimizing and/or eliminating environmental impacts and providing sustainable development. In this regard, several key topics ranging from the basics of the thermodynamic concepts to advanced exergy analysis techniques in a wide range of applications are covered as outlined in the contents. Offers comprehensive coverage of exergy and its applications, along with the most up-to-date information in the area with recent developments Connects exergy with three essential areas in terms of energy, environment and sustainable development Provides a number of illustrative examples, practical applications, and case studies Written in an easy-to-follow style, starting from the basics to advanced systems

The Montreal Protocol

Author: Donald Kaniaru
Publisher: UNEP/Earthprint
ISBN: 9781905017515
Size: 23.87 MB
Format: PDF, Mobi
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This book aims to take a comprehensive look at the Montreal Protocol from its very beginnings to the present, looking toward the future.