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Author : Yunho Hwang
Publisher :
ISBN 13 :
Total Pages : 213 pages
Book Rating : 4.:/5 (247 download)
Download or read book Comprehensive Investigation of Carbon Dioxide Refrigeration Cycle written by Yunho Hwang and published by . This book was released on 1997 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xin-rong Zhang
Publisher : John Wiley & Sons
ISBN 13 : 1118380045
Total Pages : 320 pages
Book Rating : 4.1/5 (183 download)
Download or read book Transcritical CO2 Heat Pump written by Xin-rong Zhang and published by John Wiley & Sons. This book was released on 2021-05-10 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: A timely and comprehensive introduction to CO2 heat pump theory and usage A comprehensive introduction of CO2 application in heat pump, authored by leading scientists in the field CO2 is a hot topic due to concerns over global warming and the 'greenhouse effect'. Its disposal and application has attracted considerable research and governmental interest Explores the basic theories, devices, systems and cycles and real application designs for varying applications, ensuring comprehensive coverage of a current topic CO2 heat transfer has everyday applications including water heaters, air-conditioning systems, residential and commercial heating systems, and cooling systems
Author : Xin-Rong Zhang
Publisher : Springer Nature
ISBN 13 : 3031225120
Total Pages : 355 pages
Book Rating : 4.0/5 (312 download)
Download or read book CO2 Refrigeration Cycle and Systems written by Xin-Rong Zhang and published by Springer Nature. This book was released on 2023-05-05 with total page 355 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the fundamentals and applications of carbon dioxide vapor compression refrigeration thermodynamic cycles. In particular, it presents new application areas, such as making ice and snow in the Winter Olympic Games, food cooling and refrigeration. The book explores the physical and chemical characteristics of CO2 fluid, and the unique traits of its thermodynamic cycle. The contributors explain how CO2 refrigeration is a developing, eco-friendly technology, and emphasize its importance for refrigeration and air-conditioning in the current and future market. This book is a valuable source of information for researchers, engineers and policy makers looking to expand their applicable knowledge of high-potential refrigeration technology using carbon dioxide. It is also of interest to postgraduate students and practitioners looking for an academic insight into the industry’s latest eco-friendly technologies.
Author : Akash Jain
Publisher :
ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.:/5 (448 download)
Download or read book Experimental Study of a Carbon Dioxide Refrigeration Cycle written by Akash Jain and published by . This book was released on 1999 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gang Shen
Publisher : Springer
ISBN 13 : 3642203671
Total Pages : 480 pages
Book Rating : 4.6/5 (422 download)
Download or read book Advanced Research on Electronic Commerce, Web Application, and Communication written by Gang Shen and published by Springer. This book was released on 2011-03-18 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: The two-volume set CCIS 143 and CCIS 144 constitutes the refereed proceedings of the International Conference on Electronic Commerce, Web Application, and Communication, ECWAC 2011, held in Guangzhou, China, in April 2011. The 148 revised full papers presented in both volumes were carefully reviewed and selected from a large number of submissions. Providing a forum for engineers, scientists, researchers in electronic commerce, Web application, and communication fields, the conference will put special focus also on aspects such as e-business, e-learning, and e-security, intelligent information applications, database and system security, image and video signal processing, pattern recognition, information science, industrial automation, process control, user/machine systems, security, integrity, and protection, as well as mobile and multimedia communications.
Author :
Publisher :
ISBN 13 : 9782362150050
Total Pages : 122 pages
Book Rating : 4.1/5 (5 download)
Download or read book CO2 as a Refrigerant written by and published by . This book was released on 2014 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert D. Heap
Publisher :
ISBN 13 : 9782913149786
Total Pages : 182 pages
Book Rating : 4.1/5 (497 download)
Download or read book Guide to Refrigerated Transport written by Robert D. Heap and published by . This book was released on 2010 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G F Hundy
Publisher : Butterworth-Heinemann
ISBN 13 : 0081006667
Total Pages : 512 pages
Book Rating : 4.0/5 (81 download)
Download or read book Refrigeration, Air Conditioning and Heat Pumps written by G F Hundy and published by Butterworth-Heinemann. This book was released on 2016-03-07 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Refrigeration, Air Conditioning and Heat Pumps, Fifth Edition, provides a comprehensive introduction to the principles and practice of refrigeration. Clear and comprehensive, it is suitable for both trainee and professional HVAC engineers, with a straightforward approach that also helps inexperienced readers gain a comprehensive introduction to the fundamentals of the technology. With its concise style and broad scope, the book covers most of the equipment and applications professionals will encounter. The simplicity of the descriptions helps users understand, specify, commission, use, and maintain these systems. It is a must-have text for anyone who needs thorough, foundational information on refrigeration and air conditioning, but without textbook pedagogy. It includes detailed technicalities or product-specific information. New material to this edition includes the latest developments in refrigerants and lubricants, together with updated information on compressors, heat exchangers, liquid chillers, electronic expansion valves, controls, and cold storage. In addition, efficiency, environmental impact, split systems, retail refrigeration (supermarket systems and cold rooms), industrial systems, fans, air infiltration, and noise are also included. Full theoretical and practical treatment of current issues and trends in refrigeration and air conditioning technology Meets the needs of industry practitioners and system designers who need a rigorous, but accessible reference to the latest developments in refrigeration and AC that is supported by coverage at a level not found in typical course textbooks New edition features updated content on refrigerants, microchannel technology, noise, condensers, data centers, and electronic control
Author : I. Nyoman Suamir
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (82 download)
Download or read book Integration of Trigeneration and CO2 Based Refrigeration Systems for Energy Conservation written by I. Nyoman Suamir and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Food retail with large supermarkets consumes significant amounts of energy. The environmental impact is also significant because of the indirect effect from CO2 emissions at the power stations and due to the direct effect arising from refrigerant leakage to the atmosphere. The application of trigeneration (local combined heat, power and refrigeration) can provide substantial improvements in the overall energy efficiency over the conventional supermarket energy approach of separate provision of electrical power and thermal energy. The use of natural refrigerants such as CO2 offers the opportunity to reduce the direct impacts of refrigeration compared to conventional systems employing HFC refrigerants that possess high global warming potential. One approach through which the overall energy efficiency can be increased and the environmental impacts reduced, is through the integration of trigeneration and CO2 refrigeration systems where the cooling generated by the trigeneration system is used to condense the CO2 refrigerant in a cascade arrangement. This research project investigates experimentally and theoretically, through mathematical modelling and simulation, such a system and its potential application to supermarkets. A small size CO2 refrigeration system for low and medium food temperature applications was designed and constructed to enable it to be integrated with an existing trigeneration system in the refrigeration laboratory at Brunel University to form an integrated trigeneration and CO2 refrigeration test facility. Prior to the construction, the design of the system was investigated using mathematical models developed for this purpose. The simulations included the CO2 refrigeration system, CO2 evaporator coils and the integration of the trigeneration and CO2 refrigeration systems. The physical size of the design and component arrangement was also optimised in a 3D AutoCAD model. A series of experimental tests were carried out and the results showed that the medium temperature system could achieve a very good COP, ranging from 32 to 60 due to the low pumping power requirement of the liquid refrigerant. The low temperature system performed with average steady state COP of 4, giving an overall refrigeration system COP in the range between 5.5 and 6. Mathematical models were also developed to investigate the application of the integrated trigeneration and CO2 refrigeration system in a case study supermarket. The models were validated against test results in the laboratory and manufacturers' data. The fuel utilisation efficiency and environmental impacts of different trigeneration and CO2 refrigeration arrangements were also evaluated. The results indicated that a system comprising of a sub-critical CO2 refrigeration system integrated with a trigeneration system consisting of a micro-turbine based Combined Heat and Power (CHP) unit and ammonia-water absorption refrigeration system could provide energy savings of the order of 15% and CO2 emission savings of the order of 30% compared to conventional supermarket energy systems. Employing a trigeneration system with a natural gas engine based CHP and Lithium Bromide-Water sorption refrigeration system, could offer energy savings of 30% and CO2 emission savings of 43% over a conventional energy system arrangement. Economic analysis of the system has shown a promising payback period of just over 3 years compared to conventional systems.
Author : Zhaojun Wang
Publisher : Springer Nature
ISBN 13 : 9811395241
Total Pages : 931 pages
Book Rating : 4.8/5 (113 download)
Download or read book Proceedings of the 11th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC 2019) written by Zhaojun Wang and published by Springer Nature. This book was released on 2020-03-19 with total page 931 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents selected papers from the 11th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC 2019), with a focus on HVAC techniques for improving indoor environment quality and the energy efficiency of heating and cooling systems. Presenting inspiration for implementing more efficient and safer HVAC systems, the book is a valuable resource for academic researchers, engineers in industry, and government regulators.
Author :
Publisher :
ISBN 13 :
Total Pages : 858 pages
Book Rating : 4.3/5 (91 download)
Download or read book Proceedings of the 2003 ASME Summer Heat Transfer Conference written by and published by . This book was released on 2003 with total page 858 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ibrahim Din¿er
Publisher : John Wiley & Sons
ISBN 13 : 1119230780
Total Pages : 990 pages
Book Rating : 4.1/5 (192 download)
Download or read book Refrigeration Systems and Applications written by Ibrahim Din¿er and published by John Wiley & Sons. This book was released on 2017-03-23 with total page 990 pages. Available in PDF, EPUB and Kindle. Book excerpt: The definitive text/reference for students, researchers and practicing engineers This book provides comprehensive coverage on refrigeration systems and applications, ranging from the fundamental principles of thermodynamics to food cooling applications for a wide range of sectoral utilizations. Energy and exergy analyses as well as performance assessments through energy and exergy efficiencies and energetic and exergetic coefficients of performance are explored, and numerous analysis techniques, models, correlations and procedures are introduced with examples and case studies. There are specific sections allocated to environmental impact assessment and sustainable development studies. Also featured are discussions of important recent developments in the field, including those stemming from the author’s pioneering research. Refrigeration is a uniquely positioned multi-disciplinary field encompassing mechanical, chemical, industrial and food engineering, as well as chemistry. Its wide-ranging applications mean that the industry plays a key role in national and international economies. And it continues to be an area of active research, much of it focusing on making the technology as environmentally friendly and sustainable as possible without compromising cost efficiency and effectiveness. This substantially updated and revised edition of the classic text/reference now features two new chapters devoted to renewable-energy-based integrated refrigeration systems and environmental impact/sustainability assessment. All examples and chapter-end problems have been updated as have conversion factors and the thermophysical properties of an array of materials. Provides a solid foundation in the fundamental principles and the practical applications of refrigeration technologies Examines fundamental aspects of thermodynamics, refrigerants, as well as energy and exergy analyses and energy and exergy based performance assessment criteria and approaches Introduces environmental impact assessment methods and sustainability evaluation of refrigeration systems and applications Covers basic and advanced (and hence integrated) refrigeration cycles and systems, as well as a range of novel applications Discusses crucial industrial, technical and operational problems, as well as new performance improvement techniques and tools for better design and analysis Features clear explanations, numerous chapter-end problems and worked-out examples Refrigeration Systems and Applications, Third Edition is an indispensable working resource for researchers and practitioners in the areas of Refrigeration and Air Conditioning. It is also an ideal textbook for graduate and senior undergraduate students in mechanical, chemical, biochemical, industrial and food engineering disciplines.
Author : American Society of Mechanical Engineers. Advanced Energy Systems Division
Publisher :
ISBN 13 :
Total Pages : 640 pages
Book Rating : 4.3/5 (91 download)
Download or read book Proceedings of the ASME Advanced Energy Systems Division written by American Society of Mechanical Engineers. Advanced Energy Systems Division and published by . This book was released on 2000 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309305322
Total Pages : 235 pages
Book Rating : 4.3/5 (93 download)
Download or read book Climate Intervention written by National Research Council and published by National Academies Press. This book was released on 2015-06-17 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: The signals are everywhere that our planet is experiencing significant climate change. It is clear that we need to reduce the emissions of carbon dioxide and other greenhouse gases from our atmosphere if we want to avoid greatly increased risk of damage from climate change. Aggressively pursuing a program of emissions abatement or mitigation will show results over a timescale of many decades. How do we actively remove carbon dioxide from the atmosphere to make a bigger difference more quickly? As one of a two-book report, this volume of Climate Intervention discusses CDR, the carbon dioxide removal of greenhouse gas emissions from the atmosphere and sequestration of it in perpetuity. Climate Intervention: Carbon Dioxide Removal and Reliable Sequestration introduces possible CDR approaches and then discusses them in depth. Land management practices, such as low-till agriculture, reforestation and afforestation, ocean iron fertilization, and land-and-ocean-based accelerated weathering, could amplify the rates of processes that are already occurring as part of the natural carbon cycle. Other CDR approaches, such as bioenergy with carbon capture and sequestration, direct air capture and sequestration, and traditional carbon capture and sequestration, seek to capture CO2 from the atmosphere and dispose of it by pumping it underground at high pressure. This book looks at the pros and cons of these options and estimates possible rates of removal and total amounts that might be removed via these methods. With whatever portfolio of technologies the transition is achieved, eliminating the carbon dioxide emissions from the global energy and transportation systems will pose an enormous technical, economic, and social challenge that will likely take decades of concerted effort to achieve. Climate Intervention: Carbon Dioxide Removal and Reliable Sequestration will help to better understand the potential cost and performance of CDR strategies to inform debate and decision making as we work to stabilize and reduce atmospheric concentrations of carbon dioxide.
Author : United States. Department of Energy. Office of Carbon Dioxide Effects Research and Assessment
Publisher :
ISBN 13 :
Total Pages : 53 pages
Book Rating : 4.:/5 (175 download)
Download or read book A Comprehensive Plan for Carbon Dioxide Effects Research and Assessment written by United States. Department of Energy. Office of Carbon Dioxide Effects Research and Assessment and published by . This book was released on 1978 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Dickinson Messer
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (198 download)
Download or read book An Investigation of the Reversed Refrigeration Cycle ... written by John Dickinson Messer and published by . This book was released on 1939 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gaspar, Pedro Dinis
Publisher : IGI Global
ISBN 13 : 1466683996
Total Pages : 1037 pages
Book Rating : 4.4/5 (666 download)
Download or read book Handbook of Research on Advances and Applications in Refrigeration Systems and Technologies written by Gaspar, Pedro Dinis and published by IGI Global. This book was released on 2015-08-28 with total page 1037 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, the sustainability and safety of perishable foods has become a major consumer concern, and refrigeration systems play an important role in the processing, distribution, and storage of such foods. To improve the efficiency of food preservation technologies, it is necessary to explore new technological and scientific advances both in materials and processes. The Handbook of Research on Advances and Applications in Refrigeration Systems and Technologies gathers state-of-the-art research related to thermal performance and energy-efficiency. Covering a diverse array of subjects—from the challenges of surface-area frost-formation on evaporators to the carbon footprint of refrigerant chemicals—this publication provides a broad insight into the optimization of cold-supply chains and serves as an essential reference text for undergraduate students, practicing engineers, researchers, educators, and policymakers.
