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Compared to the conventional Rankine cycle using water, the ORC can create efficient expansion at low power, avoid superheater and offer higher thermal efficiency in low temperature application. Small-scale ORCs from several kWe to a few hundred kWe offer great potential for meeting the residential demand on heat and power, and are of growing interest in scientific and technical fields. However, one critical problem is the decreased device efficiency and cost-effectiveness that arises when the ORC is scaled down. In this thesis, the ORC is combined with low concentration-ratio solar collectors. The background, research trend, merits and importance of the solar ORC are described. To reduce the thermodynamic irreversibility and the cost of the system, three innovative solutions are proposed: solar ORC without heat transfer fluid (HTF), which employs two-stage collectors and heat storage units; hybrid solar power generation based on ORC and amorphous silicon cells; osmosis-driven solar ORC. Heat collection, storage and power conversion are optimized. The design, construction and test of a prototype are conducted, demonstrating the feasibility of the ORC for small-scale cogeneration. Special attention is paid to the variable operation and parameter design with respect to the condensation temperature.
Energy. --- Renewable and Green Energy. --- Energy Efficiency (incl. Buildings). --- Renewable energy sources. --- Energies renouvelables --- Mechanical Engineering --- Engineering & Applied Sciences --- Mechanical Engineering - General --- Power (Mechanics) --- Rankine cycle. --- Solar thermal energy. --- Solar thermal conversion --- Solar thermal power systems --- Solar thermal technology --- Thermodynamic conversion of solar energy --- Cycle, Rankine --- Cycle, Steam --- Steam cycle --- Energy --- Renewable energy resources. --- Energy efficiency. --- Alternate energy sources. --- Green energy industries. --- Heat engineering --- Solar energy --- Thermodynamic cycles --- Mechanics --- Energy Efficiency. --- Alternate energy sources --- Alternative energy sources --- Energy sources, Renewable --- Sustainable energy sources --- Power resources --- Renewable natural resources --- Agriculture and energy --- Consumption of energy --- Energy efficiency --- Fuel consumption --- Fuel efficiency --- Energy conservation
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This book presents the proceedings of CRIOCM 2022 (27th International Conference on Advancement of Construction Management and Real Estate), sharing the latest developments in real estate and construction management around the globe. The conference was organized by the Chinese Research Institute of Construction Management (CRIOCM) working in close collaboration with The Chinese University of Hong Kong. Written by international academics and professionals, the book discusses the latest achievements, research findings, and advances in frontier disciplines in the field of construction management and real estate. Covering a wide range of topics, including spatial planning and land use innovation, integration and application of BIM and GIS, low-carbon built environment, post-pandemic resilient cities development, housing and social governance, real estate market and urban policy, real estate finance and economics, intelligent construction and smart city, built environment for healthy living, and construction management in the post-COVID-19 era, the discussions provide valuable insights into the implementation of advanced construction project management and real estate market in China and abroad. The book offers an outstanding resource for academics and professionals.
Real estate management. --- Construction industry --- Real Estate Management. --- Construction Management. --- Management. --- Building --- Property management --- Apartment houses --- Housing --- Office buildings --- Real estate business --- Management
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Public opinion --- History --- United States --- Foreign public opinion, Chinese
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Metals. --- Materials. --- Building materials. --- Architectural materials --- Architecture --- Building --- Building supplies --- Buildings --- Construction materials --- Structural materials --- Materials --- Engineering --- Engineering materials --- Industrial materials --- Engineering design --- Manufacturing processes --- Metallic elements --- Chemical elements --- Ores --- Metallurgy
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Artificial satellites --- Optical detectors. --- Electromagnetic interference. --- Equipment and supplies. --- Interference, Electromagnetic --- Electric interference --- Electromagnetic compatibility --- Electromagnetic noise --- Signal integrity (Electronics) --- Light-sensitive cells --- Light-sensitive detectors --- Light sensor photodevices --- Photodetectors --- Photodevices, Light sensor --- Photoelectric detectors --- Photosensors --- Detectors --- Optical transducers --- Optoelectronic devices
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Spatial Cognitive Engine Technology discusses the increase in user demand for satellite wireless communication services that has led to the increasing development of spectrum resources and the fixed spectrum allocation mode which makes the utilization rate of spectrum resources lower. As an intelligent spectrum sharing technology, cognitive radio has innovated the traditional spectrum management system and is one of the effective ways to solve the above-mentioned problems. As the core of satellite cognitive radio, the spatial cognitive engine can use artificial intelligence to dynamically configure working parameters according to changes in the communication environment and user needs.
Artificial intelligence. --- Radio frequency allocation. --- Wireless communication systems --- Technological innovations. --- Resource allocation --- Telecommunication --- AI (Artificial intelligence) --- Artificial thinking --- Electronic brains --- Intellectronics --- Intelligence, Artificial --- Intelligent machines --- Machine intelligence --- Thinking, Artificial --- Bionics --- Cognitive science --- Digital computer simulation --- Electronic data processing --- Logic machines --- Machine theory --- Self-organizing systems --- Simulation methods --- Fifth generation computers --- Neural computers --- Communication systems, Wireless --- Wireless data communication systems --- Wireless information networks --- Wireless telecommunication systems --- Telecommunication systems --- International cooperation
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This open access book deals with a rich variety of taxis-type cross-diffusive equations. Particularly, it intends to show the key role played by quasi-energy inequality in the derivation of some necessary a priori estimates. This book addresses applied mathematics and all researchers interested in mathematical development of reaction-diffusion theory and its application and can be a basis for a graduate course in applied mathematics.
Boundary value problems. --- Chemotaxis --- Navier-Stokes equations. --- Mathematical models. --- Equations, Navier-Stokes --- Differential equations, Partial --- Fluid dynamics --- Viscous flow --- Chemiotaxis --- Chemotropism --- Biochemistry --- Growth --- Taxes (Biology) --- Boundary conditions (Differential equations) --- Differential equations --- Functions of complex variables --- Mathematical physics --- Initial value problems --- Problemes de contorn --- Quimiotaxi --- Models matemàtics --- Equacions de Navier-Stokes --- Navier-Stokes (Equacions) --- Dinàmica de fluids --- Equacions en derivades parcials --- Models (Matemàtica) --- Models experimentals --- Models teòrics --- Mètodes de simulació --- Anàlisi de sistemes --- Mètode de Montecarlo --- Modelització multiescala --- Models economètrics --- Models lineals (Estadística) --- Models multinivell (Estadística) --- Models no lineals (Estadística) --- Programació (Ordinadors) --- Simulació per ordinador --- Teoria de màquines --- Models biològics --- Bioquímica --- Creixement --- Problemes de valor límit --- Equacions diferencials --- Física matemàtica --- Funcions de variables complexes --- Dispersió (Matemàtica) --- Equacions de Von Kármán --- Problema de Dirichlet --- Problema de Neumann --- Problemes de Riemann-Hilbert --- Problemes de valor inicial --- Reaction-Diffusion --- Haptotaxis --- Navier-Stokes --- Cancer invasion --- Coral fertilization --- Sensity-suppressed motility --- Oncolytic virotherapy --- Foraging scrounging interplay
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The development of clean and low-carbon energy is undoubtedly imperative in the coming decades worldwide. This book focuses on a series of advanced research on geological and geochemical characterization, as well as on the exploration, development, and utilization of coal and coal-related resources, especially critical metals together with unconventional gases in coal and coal-bearing sequences, which are of great significance to achieving carbon neutrality.
Research & information: general --- Physics --- Coal --- Critical metals --- Unconventional resources --- Geological origin
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This book introduces the results that the authors have achieved on the study of functional principle of electroslag remelting for production of high-quality clean steel. The dependence of oxygen, sulfur, and non-metallic inclusions on the processing parameters of electroslag remelting is assessed. The fundamentals and technologies of clean steel production by electroslag remelting have been applied in the round to discuss oxygen, sulfur, and non-metallic inclusions evolution and control. A general concluding remark and a perspective for future work are present. The book is likely to be of interest to university teachers, researchers, R&D engineers, and graduate students in material processing and pyrometallurgy who wish to explore innovative technologies that lead to more energy-efficient and environmentally sustainable clean steel production.
Materials. --- Metals. --- Materials Engineering. --- Metals and Alloys. --- Metallic elements --- Chemical elements --- Ores --- Metallurgy --- Engineering --- Engineering materials --- Industrial materials --- Engineering design --- Manufacturing processes --- Materials
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