Investigation Of Microparticle To System Level Phenomena In Thermally Activated Adsorption Heat Pumps
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Investigation Of Microparticle To System Level Phenomena In Thermally Activated Adsorption Heat Pumps
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Author : Alexander William Raymond
language : en
Publisher:
Release Date : 2010
Investigation Of Microparticle To System Level Phenomena In Thermally Activated Adsorption Heat Pumps written by Alexander William Raymond and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Adsorption categories.
Heat actuated adsorption heat pumps offer the opportunity to improve overall energy efficiency in waste heat applications by eliminating shaft work requirements accompanying vapor compression cycles. The coefficient of performance (COP) in adsorption heat pumps is generally low. The objective of this thesis is to model the adsorption system to gain critical insight into how its performance can be improved. Because adsorption heat pumps are intermittent devices, which induce cooling by adsorbing refrigerant in a sorption bed heat/mass exchanger, transient models must be used to predict performance. In this thesis, such models are developed at the adsorbent particle level, heat/mass exchanger component level and system level. Adsorption heat pump modeling is a coupled heat and mass transfer problem. Intra-particle mass transfer resistance and sorption bed heat transfer resistance are shown to be significant, but for very fine particle sizes, inter-particle resistance may also be important. The diameter of the adsorbent particle in a packed bed is optimized to balance inter- and intra-particle resistances and improve sorption rate. In the literature, the linear driving force (LDF) approximation for intra-particle mass transfer is commonly used in place of the Fickian diffusion equation to reduce computation time; however, it is shown that the error in uptake prediction associated with the LDF depends on the working pair, half-cycle time, adsorbent particle radius, and operating temperatures at hand.
Applied Environmental Materials Science For Sustainability
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Author : Kobayashi, Takaomi
language : en
Publisher: IGI Global
Release Date : 2016-12-21
Applied Environmental Materials Science For Sustainability written by Kobayashi, Takaomi and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-12-21 with Technology & Engineering categories.
The growing presence of biomass and waste has caused significant changes to the environment. With the ubiquity of these materials, there is an increasing need for proper disposal and reuse of these resources. Applied Environmental Materials Science for Sustainability is a key resource on the latest advancements in environmental materials, including the utilization of biomass and waste for advanced materials. Highlighting innovative studies on renewable resources, green technology, and chemical modification, this book is an ideal reference source for academics, researchers, professionals, and graduate students in the field of environmental and materials sciences and technologies.
Advances In Adsorption Technology
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Author : Bidyut Baran Saha
language : en
Publisher:
Release Date : 2010
Advances In Adsorption Technology written by Bidyut Baran Saha and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Adsorption categories.
The efficient utilisation of energy at low heat source temperature is a key issue for both industry and academia. In recent years, the heat-activated adsorption cycles are proven to be practical and energy efficient method for converting low-temperature waste heat into useful effects such as cooling, freezing, heating, storage and desalination and this is reflected by the dearth of literature publications. The adsorption technology would steer towards the key development of heat activated machines for the energy industry and they could offer cost-effective solutions for achieving energy efficiency and environment sustainability. This edited book covers the state-of-the art of adsorption research and technologies for relevant applications with the objectives of energy efficiency and sustainability. It consists of fifteen chapters from renowned experts in adsorption fields around the world covering the aspects of adsorption fundamentals, adsorbent materials characterisations, adsorption cooling, storage, and heat pump systems. This book examines new research directions in this frontier field.
Thermoplasmonics
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Author : Guillaume Baffou
language : en
Publisher: Cambridge University Press
Release Date : 2017-10-19
Thermoplasmonics written by Guillaume Baffou and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-19 with Science categories.
An overview of thermoplasmonics including the underlying theory in nanophotonics and applications in nanoengineering and nanomedicine.
Research And Technology Program Digest Flash Index
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Author :
language : en
Publisher:
Release Date : 1967
Research And Technology Program Digest Flash Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Astronautics categories.
Energy Geotechnics
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Author : Alessio Ferrari
language : en
Publisher: Springer
Release Date : 2018-08-23
Energy Geotechnics written by Alessio Ferrari and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-23 with Science categories.
This book collects selected full papers presented at the International Symposium on Energy Geotechnics 2018 (SEG-2018), held on 25th – 28th September 2018, at the Swiss Federal Institute of Technology in Lausanne (EPFL). It covers a wide range of topics in energy geotechnics, including energy geostructures, energy geostorage, thermo-hydro-chemo-mechanical behaviour of geomaterials, unconventional resources, hydraulic stimulation, induced seismicity, CO2 geological storage, and nuclear waste disposal as well as topics such as tower and offshore foundations. The book is intended for postgraduate students, researchers and practitioners working on geomechanics and geotechnical engineering for energy-related applications.
Innovative Heat Exchangers
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Author : Hans-Jörg Bart
language : en
Publisher: Springer
Release Date : 2017-12-30
Innovative Heat Exchangers written by Hans-Jörg Bart and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-30 with Science categories.
This accessible book presents unconventional technologies in heat exchanger design that have the capacity to provide solutions to major concerns within the process and power-generating industries. Demonstrating the advantages and limits of these innovative heat exchangers, it also discusses micro- and nanostructure surfaces and micro-scale equipment, and introduces pillow-plate, helical and expanded metal baffle concepts. It offers step-by-step worked examples, which provide instructions for developing an initial configuration and are supported by clear, detailed drawings and pictures. Various types of heat exchangers are available, and they are widely used in all fields of industry for cooling or heating purposes, including in combustion engines. The market in 2012 was estimated to be U$ 42.7 billion and the global demand for heat exchangers is experiencing an annual growth of about 7.8 %. The market value is expected to reach U$ 57.9 billion in 2016, and approach U$ 78.16 billion in 2020. Providing a valuable introduction to students and researchers, this book offers clear and concise information to thermal engineers, mechanical engineers, process engineers and heat exchanger specialists.
Research And Technology Program Digest
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date :
Research And Technology Program Digest written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Partition And Adsorption Of Organic Contaminants In Environmental Systems
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Author : Cary T. Chiou
language : en
Publisher: John Wiley & Sons
Release Date : 2003-07-07
Partition And Adsorption Of Organic Contaminants In Environmental Systems written by Cary T. Chiou and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-07-07 with Science categories.
Given the presence of a wide variety of contaminants in the environment, it is important to understand what drives a contaminant from one medium to another, as well as the manner and extent to which a contaminant associates with the different media or phases within a local environmental system. Partition and Adsorption of Organic Contaminants in Environmental Systems forms a comprehensive resource on the behavioral characteristics of contaminants so that appropriate strategies can be adopted to either prevent or minimize their adverse impacts on human welfare and natural resources. Cary Chiou’s far-reaching text depicts the processes by which nonionic organic contaminants are sorbed to natural biotic and abiotic substances. This book focuses on physical principles and system parameters that affect the contaminant uptake by soil from water, air, and other media; by fish from water; and by plants from soil and water. As contaminant uptake by natural organic substances is often predominantly a partition interaction, the partition characteristics in several solvent-water model mixtures are treated in detail to elucidate the relevant physicochemical parameters. The account of contaminant sorption to soils, fish, and plants is strengthened by companion chapters on: Fundamentals of solution theory Interphase partition equations Fundamentals of adsorption theory Vapor adsorption on mineral and carbonaceous solids No other single source in the field delivers as compelling a combination of background understanding and "state-of-the-science" comprehension of current issues. Ideally suited for a graduate-level environmental course, Partition and Adsorption of Organic Contaminants in Environmental Systems also serves as a technical guide to current and future research in the field.
Processes And Phenomena On The Boundary Between Biogenic And Abiogenic Nature
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Author : Olga V. Frank-Kamenetskaya
language : en
Publisher: Springer Nature
Release Date : 2019-08-29
Processes And Phenomena On The Boundary Between Biogenic And Abiogenic Nature written by Olga V. Frank-Kamenetskaya and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-08-29 with Science categories.
The book represents a collection of papers presented at VI International Symposium "Biogenic - abiogenic interactions in natural and anthropogenic systems" that was held on 24-27 September 2018 in Saint Petersburg (Russia). Papers in this book cover a wide range of topics connecting with interactions between biogenic and abiogenic components in lithosphere, biosphere and technosphere. The main regarding topics are following: methods for studying the interactions between biogenic and abiogenic components; geochemistry of biogenic-abiogenic systems; biomineralization and nature-like materials and technologies; medical geology; biomineralogy and organic mineralogy; biomineral interactions in soil; biodeterioration of natural and artificial materials; biomineral interactions in extreme environment.