An Assessment Of Desiccant Cooling And Dehumidification Technology

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An Assessment of Desiccant Cooling and Dehumidification Technology

Author : V. C. Mei
Publisher :
ISBN 13 :
Total Pages : 111 pages
Book Rating : 4.:/5 (19 download)

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Book Synopsis An Assessment of Desiccant Cooling and Dehumidification Technology by : V. C. Mei

Download or read book An Assessment of Desiccant Cooling and Dehumidification Technology written by V. C. Mei and published by . This book was released on 1992 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: Desiccant systems are heat-actuated cooling and dehumidification technology. With the recent advances in this technology, desiccant systems can now achieve a primary energy coefficient of performance (COP) between 1.3 and 1.5, with potential to go to 1.7 and higher. It is becoming one of the most promising alternatives to conventional cooling systems. Two important and well-known advantages of desiccant cooling systems are that they are CFC free and they can reduce the electricity peak load. Another important but lesser-known advantage of desiccant technology is its potential for energy conservation. The energy impact study in this report indicated that a possible 13% energy saving in residential cooling and 8% in commercial cooling is possible. Great energy saving potential also exists in the industrial sector if industrial waste heat can be used for desiccant regeneration. The latest study on desiccant-integrated building heating, ventilating, and air conditioning (HVAC) systems indicated that the initial cost for the conventional cooling equipment was greatly reduced by using desiccant technology because of downsized compressors, fans, and ductworks. This cost reduction was more than enough to offset the cost of desiccant equipment. Besides, the system operation cost was also reduced. All these indicate that desiccant systems are also cost effective. This study provides an updated state-of-the-art assessment forsiccant technology in the field of desiccant materials, systems, computer models, and theoretical analyses. From this information the technology options were derived and the future research and development needs were identified. Because desiccant technology has already been applied in the commercial building sector with very encouraging results, it is expected that future market breakthroughs will probably start in this sector. A market analysis for the commercial building application is therefore included.

An Assessment of Desiccant Cooling and Dehumidification Technology

Author :
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (873 download)

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Book Synopsis An Assessment of Desiccant Cooling and Dehumidification Technology by :

Download or read book An Assessment of Desiccant Cooling and Dehumidification Technology written by and published by . This book was released on 1992 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Desiccant systems are heat-actuated cooling and dehumidification technology. With the recent advances in this technology, desiccant systems can now achieve a primary energy coefficient of performance (COP) between 1.3 and 1.5, with potential to go to 1.7 and higher. It is becoming one of the most promising alternatives to conventional cooling systems. Two important and well-known advantages of desiccant cooling systems are that they are CFC free and they can reduce the electricity peak load. Another important but lesser-known advantage of desiccant technology is its potential for energy conservation. The energy impact study in this report indicated that a possible 13% energy saving in residential cooling and 8% in commercial cooling is possible. Great energy saving potential also exists in the industrial sector if industrial waste heat can be used for desiccant regeneration. The latest study on desiccant-integrated building heating, ventilating, and air conditioning (HVAC) systems indicated that the initial cost for the conventional cooling equipment was greatly reduced by using desiccant technology because of downsized compressors, fans, and ductworks. This cost reduction was more than enough to offset the cost of desiccant equipment. Besides, the system operation cost was also reduced. All these indicate that desiccant systems are also cost effective. This study provides an updated state-of-the-art assessment forsiccant technology in the field of desiccant materials, systems, computer models, and theoretical analyses. From this information the technology options were derived and the future research and development needs were identified. Because desiccant technology has already been applied in the commercial building sector with very encouraging results, it is expected that future market breakthroughs will probably start in this sector. A market analysis for the commercial building application is therefore included.

Desiccant-Assisted Cooling

Author : Carlos Eduardo Leme Nóbrega
Publisher : Springer Science & Business Media
ISBN 13 : 1447155653
Total Pages : 281 pages
Book Rating : 4.4/5 (471 download)

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Book Synopsis Desiccant-Assisted Cooling by : Carlos Eduardo Leme Nóbrega

Download or read book Desiccant-Assisted Cooling written by Carlos Eduardo Leme Nóbrega and published by Springer Science & Business Media. This book was released on 2013-11-19 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: The increasing concern with indoor air quality has led to air-quality standards with increased ventilation rates. Although increasing the volume flow rate of outside air is advisable from the perspective of air-quality, it is detrimental to energy consumption, since the outside air has to be brought to the comfort condition before it is insufflated to the conditioned ambient. Moreover, the humidity load carried within outside air has challenging HVAC engineers to design cooling units which are able to satisfactorily handle both sensible and latent contributions to the thermal load. This constitutes a favorable scenario for the use of solid desiccants to assist the cooling units. In fact, desiccant wheels have been increasingly applied by HVAC designers, allowing distinct processes for the air cooling and dehumidification. In fact, the ability of solid desiccants in moisture removal is effective enough to allow the use of evaporative coolers, in opposition to the traditional vapor-compression cycle, resulting in an ecologically sound system which uses only water as the refrigerant. Desiccant Assisted Cooling: Fundamentals and Applications presents different approaches to the mathematical modeling and simulation of desiccant wheels, as well as applications in thermal comfort and humidity controlled environments. Experts in the field discuss topics from enthalpy, lumped models for heat and mass transfer, and desiccant assisted radiant cooling systems, among others. Aimed at air-conditioning engineers and thermal engineering researchers, this book can also be used by graduate level students and lecturers in the field.

Promising Advances in Desiccant Cooling

Author : Terry R. Penney
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Promising Advances in Desiccant Cooling by : Terry R. Penney

Download or read book Promising Advances in Desiccant Cooling written by Terry R. Penney and published by . This book was released on 1985 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Desiccant Cooling Systems

Author :
Publisher : Charles Nehme
ISBN 13 :
Total Pages : 45 pages
Book Rating : 4./5 ( download)

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Book Synopsis Desiccant Cooling Systems by :

Download or read book Desiccant Cooling Systems written by and published by Charles Nehme. This book was released on with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ever-increasing demand for efficient, sustainable, and environmentally friendly cooling solutions has led to significant advancements in the field of HVAC technology. Among these innovations, desiccant cooling systems have emerged as a promising alternative to traditional air conditioning methods. By harnessing the principles of moisture absorption and evaporation, desiccant cooling systems offer precise control over indoor environments, reduced energy consumption, and minimized environmental impact. This comprehensive guide aims to explore the intricacies of desiccant cooling systems, providing readers with a deep understanding of the fundamental principles, diverse applications, challenges faced, and future trends in this field. Through detailed chapters, we delve into the psychrometric processes, types of desiccants, system components, configurations, performance evaluation, real-world applications, and the innovative solutions that shape the landscape of desiccant cooling technology. As the world grapples with the challenges of climate change and the imperative to reduce greenhouse gas emissions, the significance of sustainable cooling technologies cannot be overstated. Desiccant cooling systems stand at the forefront of this movement, offering a path toward energy efficiency, environmental responsibility, and enhanced indoor comfort. We invite readers, ranging from HVAC professionals and engineers to researchers and environmentally conscious individuals, to embark on this journey through the realms of desiccant cooling. By embracing the knowledge presented within these pages, we can collectively contribute to a greener and more sustainable future.

Advances in Desiccant Dehumidification

Author : Vivekh Prabakaran
Publisher : Springer Nature
ISBN 13 : 3030808432
Total Pages : 152 pages
Book Rating : 4.0/5 (38 download)

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Book Synopsis Advances in Desiccant Dehumidification by : Vivekh Prabakaran

Download or read book Advances in Desiccant Dehumidification written by Vivekh Prabakaran and published by Springer Nature. This book was released on 2021-07-21 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book systematically analyses state-of-the-art technology and research related to desiccant dehumidification. It provides key insights into the current research direction, and presents global research and development interests. It begins by offering a comprehensive review of conventional desiccants and their underlying engineering challenges. Fundamental material characteristic properties and factors critical to the desiccant synthesis are highlighted. The applicability of next-generation advanced materials to address the challenges is documented, and the advantages of desiccant coated heat exchangers are evaluated. Lastly, the potential applications of desiccant dehumidifiers in various energy-connected applications are discussed, and case studies on industrial/building cooling systems are provided. Specifically targeted at HVAC engineers, thermal scientists, energy-engineering researchers, and graduate-level students in the field, the technical content balances fundamental concepts and applications.

Latest Trends in Renewable Energy and Environmental Informatics

Author : WSEAS LLC Staff
Publisher :
ISBN 13 : 9781618041753
Total Pages : 379 pages
Book Rating : 4.0/5 (417 download)

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Book Synopsis Latest Trends in Renewable Energy and Environmental Informatics by : WSEAS LLC Staff

Download or read book Latest Trends in Renewable Energy and Environmental Informatics written by WSEAS LLC Staff and published by . This book was released on 2013-03-12 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: 7th International Conference on Renewable Energy Sources (RES '13) 1st International Conference on Environmental Informatics (ENINF '13)

Analysis of a Counterflow Indirect Evaporative Cooling and Liquid Desiccant Dehumidification System

Author : Mohammad Rifat Ullah
Publisher :
ISBN 13 :
Total Pages : 514 pages
Book Rating : 4.:/5 (176 download)

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Book Synopsis Analysis of a Counterflow Indirect Evaporative Cooling and Liquid Desiccant Dehumidification System by : Mohammad Rifat Ullah

Download or read book Analysis of a Counterflow Indirect Evaporative Cooling and Liquid Desiccant Dehumidification System written by Mohammad Rifat Ullah and published by . This book was released on 1986 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advances in Air Conditioning Technologies

Author : Chua Kian Jon
Publisher : Springer Nature
ISBN 13 : 981158477X
Total Pages : 313 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Advances in Air Conditioning Technologies by : Chua Kian Jon

Download or read book Advances in Air Conditioning Technologies written by Chua Kian Jon and published by Springer Nature. This book was released on 2020-10-21 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights key recent developments in air conditioning technologies for cooling and dehumidification with the specific objectives to improve energy efficiency and to minimize environmental impact. Today, air conditioning, comprising cooling and dehumidification, is a necessity in commercial and residential buildings and even in many industrial processes. This book provides key update on recent developments in air conditioning systems, cooling cycles and innovative cooling/dehumidification technologies. Key technologies related to cooling include heat-driven absorption and adsorption cooling and water-based dew point evaporative cooling. Technologies connected with dehumidification involve new generations of adsorbent–desiccant dehumidifiers, liquid-based desiccants and membranes that sieve out water vapor from air. Losses in cooling cycles and thermo-economic analysis for a sustainable economy are also judiciously documented.

Desiccant Heating, Ventilating, and Air-Conditioning Systems

Author : Napoleon Enteria
Publisher : Springer
ISBN 13 : 9811030472
Total Pages : 327 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Desiccant Heating, Ventilating, and Air-Conditioning Systems by : Napoleon Enteria

Download or read book Desiccant Heating, Ventilating, and Air-Conditioning Systems written by Napoleon Enteria and published by Springer. This book was released on 2016-12-27 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the necessary fundamental knowledge in the research, development, design, selection, and application of desiccant heating, ventilating, and air-conditioning systems. It covers the established installations in different climatic conditions and building types. In addition, advanced performance evaluation techniques are presented, covering thermodynamic, economic, and environmental aspects. Hence, the book is an important resource for undergraduate and graduate students, design and installation engineers, researchers and scientists, building owners and occupants, and energy and environmental policy makers.

Research and Development Needs for Desiccant Cooling Technology 1992--1997. (Supplement to the NREL Report, Desiccant Cooling

Author :
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Research and Development Needs for Desiccant Cooling Technology 1992--1997. (Supplement to the NREL Report, Desiccant Cooling by :

Download or read book Research and Development Needs for Desiccant Cooling Technology 1992--1997. (Supplement to the NREL Report, Desiccant Cooling written by and published by . This book was released on 1992 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report is a supplement to Desiccant Cooling: State-of-the-Art Assessment (NREL/TP-254-4147, DE93000013). In this supplement document we have described a detailed program assuming sufficient funding to implement the R & D activities needed. Desiccant dehumidification is a mature technology for industrial applications, and in recent years the technology has been used for air conditioning a number of institutional and commercial buildings. Our proposal is based on argumentative discussions at various national meetings with leaders of the technology. The goal is the penetration of the broad air conditioning market. This work is funded by the Buildings technology Office of the US Department of Energy.

Five-year Research Plan for the Solar Desiccant Cooling Program

Author : Dennis Schlepp
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Five-year Research Plan for the Solar Desiccant Cooling Program by : Dennis Schlepp

Download or read book Five-year Research Plan for the Solar Desiccant Cooling Program written by Dennis Schlepp and published by . This book was released on 1984 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy Research Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 390 pages
Book Rating : 4.3/5 (129 download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1983 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy-Efficient Systems for Agricultural Applications

Author : Muhammad Sultan
Publisher : Springer Nature
ISBN 13 : 3030863948
Total Pages : 124 pages
Book Rating : 4.0/5 (38 download)

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Book Synopsis Energy-Efficient Systems for Agricultural Applications by : Muhammad Sultan

Download or read book Energy-Efficient Systems for Agricultural Applications written by Muhammad Sultan and published by Springer Nature. This book was released on 2021-12-14 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reports thermodynamic investigation, analyses, and options of temperature/humidity control systems and their technologies for agricultural applications including (but not limited to) fruits and vegetable storage, poultry air-conditioning, livestock thermal comfort, and wet market air-conditioning. The optimum temperature and humidity requirements for these agricultural applications are identified. Consequently, energy-efficient heat pump options are explored accordingly. The book helps to understand and to apply the thermodynamic knowledge of the energy-efficient systems for agricultural applications.

Assessment of Liquid Desiccant Cooling Technology

Author : Shermanda Williams
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (164 download)

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Book Synopsis Assessment of Liquid Desiccant Cooling Technology by : Shermanda Williams

Download or read book Assessment of Liquid Desiccant Cooling Technology written by Shermanda Williams and published by . This book was released on 2007 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:

An Assessment of Dehumidifier Geometries for Desiccant Cooling Systems

Author : Robert S. Barlow
Publisher :
ISBN 13 :
Total Pages : 45 pages
Book Rating : 4.:/5 (354 download)

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Book Synopsis An Assessment of Dehumidifier Geometries for Desiccant Cooling Systems by : Robert S. Barlow

Download or read book An Assessment of Dehumidifier Geometries for Desiccant Cooling Systems written by Robert S. Barlow and published by . This book was released on 1983 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: Five dehumidifier designs are evaluated in this report--three from existing prototype cooling systems (from AiResearch, IGT, and IIT) and two (from UCLA and SERI) that have not yet been tested in a complete cooling system. The basic principles of heat and mass regenerators and the requirements of the solar cooling application have been combined to generate a list of desirable characteristics for dehumidifiers. The five designs are described and compared quantitatively; compared performance is considered as well as isolated dehumidifier parameters. Preliminary simulations indicate that a system using the SERI dehumidifier design could achieve a design-point COP greater than unity without causing significant increases in parasitic power, system size, or system cost, compared with existing prototypes.

Desiccant Cooling

Author :
Publisher :
ISBN 13 :
Total Pages : 207 pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Desiccant Cooling by :

Download or read book Desiccant Cooling written by and published by . This book was released on 1992 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this document are to present an overview of the work accomplished to date on desiccant cooling to provide assessment of the state of the art of desiccant cooling technology in the field of desiccant material dehumidifier components, desiccant systems, and models. The report also discusses the factors that affect the widespread acceptance of desiccant cooling technology. This report is organized as follows. First, a basic description and historical overview of desiccant cooling technology is provided. Then, the recent research and development (R D) program history (focusing on DOE's funded efforts) is discussed. The status of the technology elements (materials, components, systems) is discussed in detail and a preliminary study on the energy impact of desiccant technology is presented. R D needs for advancing the technology in the market are identified. The National Renewable Energy Laboratory's unique desiccant test facilities and their typical outputs are described briefly. Finally, the results of a comprehensive literature search on desiccant cooling are presented in a bibliography. The bibliography contains approximately 900 citations on desiccant cooling.