Alternative og fornybare energikilder og teknologier

Solar Chimney Power Plants: From Theory to Practice offers detailed information in one place, covering working principles, efficiency, performance-enhancing methods, experimental and theoretical studies, current application examples, techno-economic analysis, and artificial intelligence, providing the reader with a thorough and up-to-date understanding of solar chimney power plants. The book covers basic theory and dynamics of solar chimney power plants, systematic coverage of the various parameters affecting performance, assessment by experimental studies, mathematical and theoretical models, the use of computer simulations and computation fluid dynamics, and innovative applications and hybrid approaches.Finally, techno-economic analysis and the role of artificial intelligence are presented. This is an ideal resource for all those with an interest in solar chimney plants and energy conversion technologies, including graduate students, researchers, academics, faculty, engineers, R&D, scientists, policymakers and professionals in the renewable energy sector.

Fermentative Hydrogen Production: From Fundamentals and Processes is a comprehensive examination of the theoretical and operational aspects of dark fermentative production of hydrogen. The book presents the latest technological developments, analyzes advantages and challenges, and discusses the potential for the maturity of dark fermentation. Part One analyzes the various technologies for hydrogen production, purification, storage, applications, and safety. In Part Two, first to third generation feedstocks are reviewed, as well as co-fermentation and solid and liquid wastes. Part Three examines the typical hydrogen-producing microorganisms in both pure and mixed cultures, along with sequencing techniques, pretreatment considerations, and engineering options. Part Four discusses influencing factors such as operational parameters, promotors, inhibitors, and has a dedicated section on the effects of Iron. Finally, Part Five directly compares dark hydrogen with other hydrogen production technologies through life cycle environmental impact assessments, highlighting bottlenecks and challenges in scaling up these technologies.

Hydrogen has an important role to play in decarbonised energy systems, but it is vital to generate it without carbon emissions, for example, using sunlight and abundant sea water. This work covers techniques for generating hydrogen from seawater, their advantages and shortcomings.

This publication explores marine renewable energy sources from floating solar farms to deep ocean turbines and shows how increasing the capacity of the blue economy can help the Asia and Pacific region transition to a clean energy, low carbon future.Providing an overview of ADB's Marine Aquaculture, Reefs, Renewable Energy, and Ecotourism for Ecosystem Services project, it examines stressors impacting the region's oceans and examines the benefits of multifunctional approaches. It considers emerging ocean entrepreneurship and shows how adopting a holistic blue economy vision can produce a regenerative marine environment, support coastal communities, and help meet climate goals.

Renewable Hydrogen: Opportunities and Challenges in Commercial Success presents fundamental principles and the latest research and technological advances in renewable hydrogen commercialization. With commercial scenarios and case studies, the book offers practical guidance for the scale-up of hydrogen production and storage. Beginning with an introduction to alternative energy resources, Part 1 presents a deep dive into the chemical, biochemical and electrochemical processes of hydrogen production. Part 2 discusses hydrogen storage and transportation, with Part 3 reviewing the applications of hydrogen in the automobile, space and chemical industries. Finally, Part 4 considers future perspectives, including challenges and techno economics.This book is an essential read for those seeking to understand how to successfully apply hydrogen production and storage research to an industrial scale.

Advances in Sustainable Humidification-Dehumidification Thermal Desalination Systems: 4E Analysis, Process Integration, and Materials presents the newest developments in humidification-dehumidification (HDH) systems and improvements in their applications for reducing energy usage. This book is split into three parts, first outlining principles, analysis, and optimization of HDH technology, its economy, its impacts on the environment, and a multistage approach for maximizing energy efficiency. This is followed by practical guides on implementing sustainable HDH systems within a variety of hybridization scenarios. Finally, this book provides an evaluation of different packing materials for HDH desalination units. Showing how the major advances in this technology impact the energy requirements of fresh-water production, Advances in Sustainable Humidification-Dehumidification Thermal Desalination Systems: 4E Analysis, Process Integration, and Materials takes readers from fundamental principles to sustainable real-world applications of HDH thermal desalination systems.

This book is about solar ponds for energy storage from various perspectives, including fundamentals, efficiencies, system designs, local applications and details about what have been done in the world in the field of solar ponds for generating energy and storage it for useful purposes.

New Technology For Solar Photovoltaic Thermal Comprehensive Utilization Systems: Applications for Cold Regions provides step-by-step coverage of innovative areas of solar/photovoltaic/thermal (PV/T) hot water and heating systems, covering principles, structure, modeling, experimental testing, operating characteristics and optimization, and economic evaluation. The book begins by discussing the concepts, classification, advantages, and application methods of current solar hot water/heating systems, phase change storage, and connection methods. Several novel systems are investigated and analyzed, with applications in extreme cold and subtropical regions, including tank-type systems, dual-condenser heat pipe systems, heat pipe PV/T-Trombe wall systems, PV/T road heat pump systems, and PV/T-PCM-PEM electrolyzer hydrogen/heating systems. Finally, other new types of PV/T systems and building design considerations for special climate regions, and perspectives and future directions, are considered. This is a valuable resource for researchers, scientists, advanced students, engineers, R&D professionals, and other industrial personnel with an interest in solar photovoltaic/thermal (PV/T) technologies, solar energy, built environment, and renewable energy.

Perovskite Solar Cells: Prospects of Commercialization considers the challenges, technological barriers, and opportunities facing the commercialization of perovskite solar cells.First, the book provides a brief overview of the history of perovskite solar cells in the context of therise of photovoltaics, and an overview of materials systems being considered for these technologies. Then, five main aspects of commercialization are examined, including performance, processability, sustainability, potential applications, and economics. The materials properties, including their merits and drawbacks, are discussed along with their relationship to commercial viability with the aim of identifying gaps for further growth in the area.This book is suitable for materials scientists and engineers in academia and industrial R&D interested.

The book explores the advanced façade systems according to the productive and constructive contents, in a cognitive and operative form, as a manual text to provide guidelines for researchers, technicians and professionals. It provides operational guidance for the technological design, production planning and site executive coordination for the realization of façade systems. The analysis deals with the main building elements and technical interfaces. The study of the façade systems, after explaining the anchoring structures and their connections to the load-bearing elements, investigates the criteria for the assembly between the framings. In particular, the book examines the technical interfaces of the main advanced envelope systems with respect to the functional, constructive and applicative coordination procedures of the mullions and transoms framing, of the structural sealant glazing façade system, of the unit façade system, of the suspended façade system and of the double skin façade system. The technical and manual character of the book is also expressed through the analysis of the functional and application procedures of the gaskets with respect to the façade systems in order to prevent the transmission of air and water loads: the analysis focuses on the connections between the framing and the enclosure elements of the envelope, in accordance with the compensation of height differences in order to guarantee impermeability, airtightness and insulation. Then, the book describes the assembly and interface conditions between elements of different composition and production within the façade systems: the examination of the technical interfaces involves the development and application of sealants, based on the loads exerted on the jointing devices, in order to fulfill the requirements of sealing and tightness with respect to mechanical, thermal and hygrometric, water, air and wind stresses. Moreover, the study of the envelope systems examines the methodologies directed toward fulfilling the requirements with respect to the actions caused by fire loads, considering the contents related to both components and connections and fixing surfaces.

This book explores membrane materials as a means of translating natural and renewable resources into a more flexible, dynamic, and reactive architectural skin. It represents the first time that energy-saving design has been addressed systematically in relation to lightweight building systems and tensile membranes. Understanding of the energetic behavior of membranes and foils used as a building envelope is a fundamental theme, as it is the integration of flexible photovoltaics in membranes, as well as the exploitation of water and wind resources. A theoretical, methodological framework for consciously designing the membrane life cycle is presented. The authors cross-cut and combine exploration of climate-based design methodology and life cycle thinking strategies. Both active and passive systems are investigated, referring to alternative productive resources like sun, wind, and water. Case studies are brought forward in the book's second half, highlighting energy lightness for an increasingly dematerialized architecture and addressing inherent issues. Four main research and development paths are presented, the first two focusing on advancements in facade materials and Photovoltaic systems applicable to membrane architecture, the third referring to fog and dew harvesting and the fourth dealing with the future frontier of flexible transparency and designs for well-being through a passive solar system.

The core of the book is the presentation of a systematic, continuous and logical chain into the coupled total energy system (GES) of the future, which will lead to the fully sustainable use of renewable energies. Thus, unified models are proposed that are applicable to the subsystems/sectors throughout and allow the optimization of the entire GES. Appropriate algorithms and approaches are illustrated with numerous examples. This is embedded in the context of efforts to fully integrate energy generated from renewable sources into the GES. The overarching role of IT systems for secure operations has been emphasized in the book. The relevance of the correct mapping of technologies to use cases is elaborated and necessary steps derived from this are considered technically and organizationally (standardization). Special attention is paid to the didactic presentation of the material in order to present this new, difficult and complex problem "e;as simple as possible, but not simpler"e; [according to Einstein].

This book covers advanced theories and methods in the field of heat and mass transfer, which are expected to improve thermal systems performance and energy efficiency. It reports on novel findings relating to a wide range of topics in industry, building, transportation and agriculture. Offering a good balance of fundamental and applied research, this book provides scientists, engineers and other professionals with a timely snapshot on advances in thermal science, renewable energies and sustainable energy technologies. It also offers a source of inspiration for future research and collaborations.

This book comprehensively describes the operating principles and theoretical foundations of solar chimneys. It covers current research results, including numerical analysis and mathematical models based on different assumptions. Complying with the application of renewable energy in sustainable buildings, solar chimney has received extensive attention as an indispensable part natural ventilation. This book is a guide to the application of solar chimneys from single zones to multi zones, and it provides a reference source of application for construction practitioners and engineering decision-makers. The design basis and the related basic principles of fluid mechanics and natural ventilation design strategies introduced in this book will also be beneficial to college students.

Biofuels and Bioproducts from Lignocellulosic Materials: Biomaterials is Volume 3 of a comprehensive three-volume set that explores the various possibilities of adding value to lignocellulosic biomass materials by transforming them into bioproducts, biofuels and biomaterials. With an emphasis on microbial biotechnological solutions, each volume examines the use of renewable natural resources, agriculture waste management, and valorization of agro-wastes to sustainably produce energy and fuels, nutraceuticals and pharmaceuticals, chemicals, and biomaterials. Volume 3 addresses all aspects of biomaterials production from lignocellulosic materials. The book examines recent innovative approaches for conversion and assesses the role of engineered microorganisms and their mechanisms of action for biomaterials production. The opening chapter of the book reviews the properties, types, production, and applications of various biomaterials. Following this, readers will find critical reviews of the latest developments and step-by-step guidance on key processes and methods, including novel, eco-friendly methods for biomass conversion that reduce waste. Finally, dedicated chapters review the techno-economic and LCA of lignocellulosic biomass conversion into different biomaterials such as bio-adhesives, biopolymers, bio-packaging materials, bioplastics, and value-added functional biomaterials. Biofuels and Bioproducts from Lignocellulosic Materials: Volume 3: Biomaterials is a valuable reference for students, researchers, and professionals involved in processing lignocellulosic materials for the production of bioenergy, biomaterials, and bioproducts.

Biofuel Cells and Energy Generation analyzes the current state-of-the-art and offers solutions to key challenges in developing carbohydrate-based biofuel cell technology. The book provides a critical review of biofuel cell technology, including principles, components, applications, obstacles, and prospects, and assesses the economic, safety, health, and environmental implications. Sections focus on the diversity of biomass resources, the fundamental characteristics of biomass, the major effects of biomass composition variations on biofuel cell technology, and a thorough review of the research literature on approaches for decreasing the detrimental impacts of biomass variability on fuel cells. In addition, a comprehensive examination of biofuel cell technology's current state and applications is presented that is supported by an explanation of the fundamentals, concepts, mechanisms, characteristics, optimal parameters, analytical characterization techniques, diverse types, all-category materials, catalysts, engineering designs, implantable biofuel cells, applications, and critical criteria. A variety of applications are addressed, including power implanted devices in biomedical applications, biosensors for smart communities, and nanomaterials for biofuel cells, among others. For each application, unresolved issues are identified, and solutions proposed.

High-Temperature Phase Change Materials for Thermal Energy Storage covers the fundamentals, thermal characteristics, measurement, design, and applications of high-temperature phase change materials (PCMs) for thermal energy storage, supported by examples and numerical modeling. The differences between low-temperature and high-temperature PCMs are examined with respect to thermophysical properties, phase change properties, and melting/solidification processes, with detailed coverage of how to alter or shorten the phase transition temperature range between melting and solidification, providing routes for the utilization of PCMs for specific high-temperature applications. The book also addresses key challenges, such as the design of PCM containers, phase transition temperature with little deviation, high latent heat capacity, thermal conductivity, viscosity, efficiency, ecocompatibility, and cost. This book is a valuable resource for researchers, advanced students, and scientists across the areas of energy storage, power generation, energy engineering, thermodynamics, materials science, renewable energy, energy management, mechanical engineering, and chemical engineering as well as engineers, research and development professionals, and other industry personnel with an interest in thermal energy storage design and materials.

Geothermal Energy Engineering: Technology Transfer from the Oil and Gas Industry focuses on geothermal energy technology, engineering, field, and operational topics as seen from an oil and gas industry perspective. To accelerate development of an important source of clean energy during the energy transition, proven oil and gas technologies can pivot towards geothermal energy production, for both power generation and direct heat applications. The book's chapters are written by world-renewed subject matter experts who address practical applications optimized in the oil and gas industry that can be adapted to accelerate geothermal energy production. The book progresses from an introduction to geothermal energy, cover types of geothermal and hybrid systems, address geothermal subsurface characterization, exploration, drilling, completion and production, facilities and project management, and includes analysis of technical and economic aspects of geothermal systems, gaps and future opportunities.

Biofuels and Bioproducts from Lignocellulosic Materials: Biofuels, Volume Two is part of a comprehensive three-volume set that explores the various possibilities of adding value to lignocellulosic biomass materials by transforming them into bioproducts, biofuels, and biomaterials. With an emphasis on microbial biotechnological solutions, each volume examines how renewable natural resources, agriculture waste management, and valorization of agro-wastes can sustainably produce energy and fuels, nutraceuticals and pharmaceuticals, chemicals, and biomaterials. This volume addresses all aspects of biofuel production from lignocellulosic materials, covering technological challenges, international policies, marketability, techno-economic analysis & LCA studies, and challenges & future perspectives. The book highlights recent advancements and challenges of lignocellulosic biomass conversion into biofuels within a biorefinery concept, and explains technological approaches and the role of microorganisms and their mechanisms. Recent thermo-chemical and biotechnological approaches are explored, along with their mechanisms of action for the development of biofuels such as biodiesel, bioethanol, biomethane, biobutanol, producer gas, syngas, hydrogen, dimethylfurane, bio-LPG, and gasoline. Chemical, enzymatic, and advanced microbial biotechnology approaches used in biomass pretreatment are explained, showing readers how to increase biofuel yields from lignocellulosic raw materials. Genetic and metabolic engineering methods that can improve biofuel production are also discussed.

This book explains forest and woody biomass harvest, harvesting machines, systems, logistics, supply chain management, best management practices, harvest scheduling and carbon sequestration. It also covers applications of harvesting principles in forest and biomass management practices. The book provides an in-depth understanding of functions and applications of current and future harvesting technologies, the unique characteristics of harvesting machine with respect to cost, productivity, and environmental impacts. Special features include harvest machine illustrations and images of field operations, tabular presentations of filed studies of forest operations and detailed modelling processes for forest and biomass harvest logistics and supply chain management. Specifically, the book is designed for students, researchers, educators, and practitioners in the field of forest and biomass harvest and logistics. The book's contents have been tested in teaching as the Harvesting Forest Product class for undergraduates and graduates in the Division of Forestry and Natural Resources at West Virginia University since 2000. The information contained in this book is a robust reference resource for students who would be future forest and biomass managers, timber contractors, entrepreneurs, researchers, and educators in the fields of forest and biomass operations, engineering, and resource management.

Progress in Sustainable Aviation looks at recent progress and new technological developments in sustainable aviation, presenting readers with engineering solutions and methodologies for efficiency and cost savings, performance improvement, and emission reduction. Coverage includes alternative fuel types, propulsion technologies, and emission technologies used in different aerial vehicles, such as unmanned aerial vehicles, drones, and passenger aircraft. Operational areas, such as the building of green airports, commercial air transport, and maintenance management are also addressed. This collection will be a valuable reference for researchers, practicing engineers, scientists, and students working in the area of sustainable aviation technology and management.Looks at recent progress in sustainable aviation technologies;Presents alternative aviation fuel types and propulsion technologies;Includes case studies and practical applications.

This book collates important contributions from Engineering to Adapt (ETA2023). Eta, ¿, the 7th letter of the Greek alphabet, is scrupulously used to denote efficiency and this is what ETA2023 strives for. In context, efficiency, ¿, is about avoiding waste, may this be energy, time, money, or material, in accomplishing something useful. As such, ETA2023 aims at bringing experts and future leaders together to forge more efficient ways to engineer and live. In other words, ETA2023 strives to synergise and catalyse all stakeholders, enthusiasts, and experts from academia, industry, policy arenas, and the general public, to formulate novel ways to improve tomorrow.This symposium will disseminate recent progress and promote collaborations to maximize opportunities for innovative integrated solutions. Topics of interest include resource and energy efficiency, waste reduction, and eco-friendly agriculture, architecture, engineering, and living.

This book shows possible solutions to how a profitable energy supply can be implemented with almost no population resistance. Worldwide, more than 80 % of our energy needs are still covered by fossil fuels. Under these circumstances, can climate change still be stopped?Essential technologies for usage of wind energy with an emphasis on high-altitude wind utilization are presented. Airborne wind energy is one of the most promising technologies to enable a renewable energy turnaround in an economical way. The main problem of conventional renewable energy is the insufficient availability. To ensure a 100 % supply of renewable energy, enormous and very expensive storage capacities would have to be built up.How we can cover our entire energy needs (electricity, mobility and heat) in the future without fossil fuels, without risking the competitiveness of our economy, is shown in this book.

This book showcases how EcoMechatronics can increase sustainability within engineering and manufacturing. It brings together material from experts in core mechatronics technologies, discussing the challenges related to moving towards more environmentally friendly methods, and presenting numerous case studies and examples of EcoMechatronics oriented applications.The book begins with an introduction to EcoMechatronics in the context of sustainability, before covering core conceptual, technical and design issues associated with EcoMechatronics. It then offers a series of case studies and examples of EcoMechatronics oriented applications and finally, a consideration of the educational issues associated with moving to a new generation of environmentally oriented mechatronic engineers.EcoMechatronics will be of interest to practicing engineers, researchers, system developers. and graduate students in the field of mechatronics and environmental engineering.

The tropical zones are dominated by developing countries, which mainly face problematic environmental issues. Different than four-season countries, tropical countries have a continuous summer-like season and therefore they are rich in clean energy sources like solar and biomass. Hence, the mitigations of environment and energy issues in the tropics would require specific understanding and different approach to solutions. This book offers an assortment of studies on scenarios of environment as well as energy demand and power generation technologies in the tropics. Many of the countries within the tropics are highly populated, and this results in various problems related to the environment and energy. The demand for energy in these countries keeps increasing but concurrently there are also environmental issues that require serious attention. As the global concern on the environment is alarming today, the choice of power generation should be of the cleanest possible resource. This various reports on research activities carried out in the tropics on the aspect of environment and energy presented in this book are highly beneficial for those who like to see an improvement in the tropics with regard to environment and energy systems.

This book discusses power electronics, signal processing and communication systems applications in smart grids (SG). Smart grids can be considered an evolution of the classic energy model to allow a more efficient management of the relationship between supply and demand, in order to overcome the contingency problems of the modern world. To achieve their goals, they use advanced technologies of information and communication, power electronics and signal processing, and can be used to integrate renewable energy sources.The book is divided into two main parts. The first part presents the application of power electronics technologies in renewable energy systems, while the second part presents some telecommunications, signal processing and energy capture technologies within the context of SGs. The chapters are written by invited expert authors, according to their research areas.

This book provides an overview of recent progress in renewable energy materials and devices. Various forms of renewable energy, such as solar, water, and wind energy, have garnered significant attention in research domains due to their potential applications. Solar cells have become particularly intriguing for harnessing solar energy, while the distinctive characteristics of wind energy have drawn the focus of numerous researchers. Renewable energy offers several advantages and applications in contrast to conventional energy sources. The book comprehensively addresses recent advancements in diverse aspects of renewable energy, encompassing solar, water, and wind energy resources.