Desiccant Cooling Systems
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Desiccant Cooling Systems
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Author :
language : en
Publisher: Charles Nehme
Release Date :
Desiccant Cooling Systems written by and has been published by Charles Nehme this book supported file pdf, txt, epub, kindle and other format this book has been release on with Technology & Engineering categories.
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.
Desiccant Assisted Cooling
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Author : Carlos Eduardo Leme Nóbrega
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-19
Desiccant Assisted Cooling written by Carlos Eduardo Leme Nóbrega and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-19 with Technology & Engineering categories.
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
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Author : Terry R. Penney
language : en
Publisher:
Release Date : 1985
Promising Advances In Desiccant Cooling written by Terry R. Penney and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Dwellings categories.
Desiccant Cooling Systems
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Author : Charles Nehme
language : en
Publisher: Independently Published
Release Date : 2023-11
Desiccant Cooling Systems written by Charles Nehme and has been published by Independently Published this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-11 with categories.
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. Charles Nehme
Open Cycle Solid Desiccant Cooling
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Author : Jeff Jerome Jurinak
language : en
Publisher:
Release Date : 1982
Open Cycle Solid Desiccant Cooling written by Jeff Jerome Jurinak and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Air conditioning categories.
Overview Of Desiccant Cooling Systems And Their Storage Requirements
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Author : Benjamin C. Shelpuk
language : en
Publisher:
Release Date : 1979
Overview Of Desiccant Cooling Systems And Their Storage Requirements written by Benjamin C. Shelpuk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Heat storage devices categories.
Analysis Of Hybrid Liquid Desiccant Cooling Systems
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Author : Thomas Karl Buschulte
language : en
Publisher:
Release Date : 1984
Analysis Of Hybrid Liquid Desiccant Cooling Systems written by Thomas Karl Buschulte and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Cooling categories.
Analysis Of The Seasonal Performance Of Hybrid Liquid Desiccant Cooling Systems
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Author : Friedrich Sick
language : en
Publisher:
Release Date : 1986
Analysis Of The Seasonal Performance Of Hybrid Liquid Desiccant Cooling Systems written by Friedrich Sick and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Design Of A Solar Assisted Liquid Desiccant Based Evaporative Cooler
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Author : Zaeem Ahmer
language : en
Publisher: GRIN Verlag
Release Date : 2018-02-26
Design Of A Solar Assisted Liquid Desiccant Based Evaporative Cooler written by Zaeem Ahmer and has been published by GRIN Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-26 with Science categories.
Academic Paper from the year 2017 in the subject Engineering - Power Engineering, Eastern Mediterranean University, language: English, abstract: The increase of occupant comfort demands are leading to rising requirement for air conditioning, but deteriorating global energy and environment crisis are starving for energy saving and environmental protection. The need to come up with the new energy saving as well as environmental friendly air conditioning systems has been more urgent than ever before. In hot and humid areas, the liquid desiccant air-conditioning systems based on evaporative cooling was proposed as a promising invention. This system overcomes the difficulty of evaporative cooler increased humidity with cooling, which makes it unsuitable for hot and humid climates, by dehumidifying the air first and then cooling it inside an evaporative cooler with water. The heating effect of dehumidification process is compensated by cooling water circulation. The use of dehumidifier in conjunction with an evaporative cooler increases the efficiency of the system. Some of the advantages of using this system are: it can remove the air latent load, environmental friendly, removes the pollutants from the process air and reduces the amount of the electrical energy consumed. The primary objective of this project is to design a solar based liquid desiccant evaporative system to purify and supply cool air. Liquid desiccant dehumidification has been proven to be an effective method to extract the moisture of air with relatively less energy consumption, especially compared with conventional vapor compression system. Inside the dehumidifier we used calcium chloride solution which after some period of time gets diluted with water and loses its moisture absorbing capacity and therefore, needs to be heated in the solar collector to ensure that the liquid desiccant does not lose its absorption capacity. In this project, several different aspects in solar assisted liquid desiccant based evaporative cooler have been considered. Some of these aspects include the availability of the materials, manufacturability of the product, sustainability of the product, health and safety regulations and the environmental effects of the product.
Desiccant Contamination In Desiccant Cooling Systems
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Author : Ahmad A. Pesaran
language : en
Publisher:
Release Date : 1990
Desiccant Contamination In Desiccant Cooling Systems written by Ahmad A. Pesaran and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Drying agents categories.
This paper presents the results of a desiccant contamination experiment and the impact of the obtained silica gel degradation data on the performance of a desiccant cooling system. A test apparatus was used to thermally cycle several desiccant samples and expose them to 'ambient' humid air or 'contaminated' humid air. The source of contamination was cigarette smoke. The exposed desiccant samples were removed after 0.5, 1, 2, or 4 months of exposure and their moisture capacities were measured. The silica gel samples thermally cycled with ambient air showed a 5% to 30% loss in their moisture capacity. The silica gel samples thermally cycled with smoked air lost 30% to 70% of their moisture capacity. Using the obtained degradation data in a system, the impact of desiccant degradation on the performance of a desiccant cooling cycle was estimated. Depending on the degree of desiccant degradation, the decrease in thermal coefficient of performance (COP) and cooling capacity of the system was 10% to 35%. It was found that the COP and the cooling capacity of a system after desiccant degradation can be improved by increasing the rotational speed of the dehumidifier. This indicates that a simple engineering solution may exist to alleviate some type of degradations.