Renewable energy
Browse 60 curated documents about renewable energy in The Archive — the 2RA-Edition digital library for engineering and scientific research. This collection of books, journal articles, theses, reports, and technical documents on renewable energy spans extractive metallurgy, mining engineering, chemistry, and applied science. Every document is searchable in full text; sign in to read, download, ask AI questions about any document, or generate cited research drafts with the AI Researcher.
Steam Gasification of Coffee Husk in Bubbling Fluidized Bed Gasifier
Sileshi Kore, Abebayehu Assefa
Currently, the worldwide demand for fossil fuel is increasing rapidly while known resources are diminishing, particularly energy resources such as oil and natural gas. This situation, coupled with severe climate changes, has amplified the need for renewable energy alternatives. Biomass energy emerges as a promising solution owing to its availability and the technological advancements that support
Screening of water splitting thermochemi
Ste´ phane Abanades, Patrice Charvin
Hydrogen, a promising and clean energy carrier, could potentially replace the use of fossil fuels in the transportation sector. Currently, no environmentally attractive, large-scale, low-cost and high-efficiency hydrogen production process is available for commercialization. Solar-driven water-splitting thermochemical cycles may constitute one of the ultimate options for CO2-free production of hyd
A review of promising candidate reaction
T. Yan, R.Z. Wang
Thermal energy storage is a necessary technology for the application of renewable energy and low-grade thermal energy. Chemical heat storage has been proved to be a feasible and promising method to store thermal energy. As compared to other thermal energy storage methods, chemical heat storage exhibits high energy storage density as well as feasibility for long-duration energy storage. In this pap
THE BENEFITS OF AN INTEGRATED APPROACH FOR STABILITY-CONSTRAINED POWER SYSTEM PLANNING
Gereon Recht, Benedikt Jahn
Increasing penetration of inverter-based resources in today’s power systems necessitates a replacement for the role of synchronous generators in providing dynamic voltage stability and inertial response. Traditional power system planning approaches are typically sequential, where stabilising measures are integrated only at later planning stages, which can lead to inefficiencies. This study investi
Economic controls co-design of hybrid
Jonathan Cohen, Michael Kane
Islanded microgrids powered by renewable energy require costly energy storage systems due to the uncontrollable generators. Energy storage needs are amplified when load and generation are misaligned on hourly, monthly, or seasonal timescales. Diversification of both loads and generation can smooth out such mismatches. This study presents a controls co-design approach to design an islanded microgri
Economic controls co-design of hybrid
Jonathan Cohen, Michael Kane
Islanded microgrids powered by renewable energy require costly energy storage systems due to the uncontrollable generators. Energy storage needs are amplified when load and generation are misaligned on hourly, monthly, or seasonal timescales. Diversification of both loads and generation can smooth out such mismatches. The ideal type of battery to smooth out remaining generation deficits will depen
Review of the State-of-the-Art on Adaptive
Daniel Gutierrez-Rojas, Pedro H. J. Nardelli
The dominance of distributed energy resources in microgrids and the associated weather dependency require flexible protection. They include devices capable of adapting their protective settings as a reaction to (potential) changes in system state. Communication technologies have a key role in this system since the reactions of the adaptive devices shall be coordinated. This coordination imposes st
Cooperation and Storage Tradeoffs in Power-Grids
Subhash Lakshminarayana, Tony Q. S. Quek
One of the most important challenges in smart grid systems is the integration of renewable energy resources into its design. In this work, two different techniques to mitigate the time varying and intermittent nature of renewable energy generation are considered. The first one is the use of storage, which smooths out the fluctuations in the renewable energy generation across time. The second techn
Universidad
Dionysios Moutevelis, Javier Roldán Pérez
This dissertation explores the voltage stability and control of electrical distribution systems characterized by a high penetration of power electronic converters. The objective is to develop advanced control strategies that ensure the operational reliability and stability of these systems amid the increasing incorporation of renewable energy sources and converter-interfaced generation. A comprehe
The role of tourism, trade, renewable energy use and carbon dioxide emissions on economic growth: evidence of tourism-led growth hypothesis in EU-28
Daniel Balsalobre-Lorente, Nuno Carlos Leitão
The article examines the effects of renewable energy, trade, carbon dioxide emissions and international tourism on economic growth in EU-28, considering panel data for the period 1995–2014. The investigation finds the new determinants of economic growth. The empirical results find support from the panel fully modified least squares (FMOLS), panel dynamic least squares (DOLS) and fixed effects (FE)
Renewable and non-renewable energy shocks and environmental sustainability in Nigeria: a nonlinear analysis
Azeezat Quadri Ibrahim, Musa Ilias Biala
Despite Nigeria’s simultaneous reliance on fossil fuels for growth and efforts to promote renewable energy, there is limited understanding of whether shocks to these contrasting energy sources influence environmental sustainability in asymmetric ways. This study examines whether positive and negative changes in renewable and non-renewable energy consumption have differing effects on environmental
Global green hydrogen-based steel opportunities surrounding high quality renewable energy and iron ore deposits
Alexandra Devlin, Jannik Kossen
The steel sector currently accounts for 7% of global energy-related CO2 emissions and requires deep reform to disconnect from fossil fuels. This study investigates the market competitiveness of green hydrogen-based direct reduction of iron ore followed by electric arc furnace steelmaking. By analyzing over 300 locations using optimization and machine learning techniques, we identify regions near t
Electrocatalysts for water splitting in alkaline and acidic 2026 Next Mater
Abir Brahimi, Khaoula Ajlane
The increasing consumption of fossil fuels and the resulting rise in CO2 emissions make the transition toward clean energy sources more urgent than ever. Among the most promising solutions, water electrolysis has emerged as a key technology for producing green hydrogen, a clean and versatile energy vector. At the heart of this process lies the performance of electrocatalysts, which govern both the
Design and engineering of graphitic carbon nitride based binary 2026 Next Ma
Junaid Khan, Hafsa Bibi
With rapid population growth and global industrialization, environmental contamination and the energy crisis have become two of humanity's biggest issues. Recently, graphitic carbon nitride (CN) has gained attention for its unique characteristics, including a simple synthesis method, non-toxic nature, notable photocatalytic activity, and a visible-light-active band gap. These qualities make it a s
Functionalized graphene materials for hy
Vatsal Jain, Balasubramanian Kandasubramanian
With growing demands of energy and enormous consumption of fossil fuels, the world is in dire need of a clean and renewable source of energy. Hydrogen (H2) is the best alternative, owing to its high calorific value (144 MJ/kg) and exceptional mass-energy density. Being an energy carrier rather than an energy source, it has an edge over other alternate sources of energy like solar energy, wind ener
Strengthening Power System Resilience to Extreme Weather Events Through Grid Enhancing Technologies
Joseph Nyangon
Climate change significantly increases risks to power systems, exacerbating issues such as aging infrastructure, evolving regulations, cybersecurity threats, and fluctuating demand. This paper focuses on the utilization of Grid Enhancing Technologies (GETs) to strengthen power system resilience in the face of extreme weather events. GETs are pivotal in optimizing energy distribution, enabling pred
AI-driven power system flexibility: a review of demand response, renewable integration, and grid reliability
Yingqi Liang, Dipti Srinivasan
The global energy sector is undergoing a significant transformation, driven by the need for deep decarbonization and the rapid advancement of artificial intelligence (AI). This review explores the integration of AI-driven flexibility, demand response (DR), and renewable energy, aiming to achieve a secure and sustainable energy transition. We present a systematic analysis of high-quality research p
Electrochemical Processing and Materials
Giovanni Zangaria, Yasuhiro Fukunaka
The advancement of energy technology is vital for societal development and well-being, with historical transitions from nomadic to sedentary lifestyles marking significant energy utilization shifts. The Industrial Revolution showcased the potential of harnessing energy and raw materials, leading to increased human productivity and urbanization. However, this transition also resulted in the overrel
Title Climate Change Will continue with
Neale R Neelameggham, Robert E Brown
This document discusses the implications of climate changes resulting from non-fossil fuel usage, highlighting the lack of comprehensive information on the topic. The objective is to critique the global control measures of carbon dioxide emissions, which are argued to lack a scientific basis in pollution control and energy conversion principles. The methodology includes the analysis of human energ
Title Climate Change Will continue with (1)
Neale R Neelameggham, Robert E Brown
This document discusses the implications of renewable energy on climate change and the misconceptions surrounding pollution control strategies. The objective is to highlight that the transition to non-fossil fuel energy sources may not effectively mitigate the temperature anomalies associated with Global Anthropogenic Warming (GAW). The authors employ a conceptual analysis to examine the impact of
Preliminary study of production electrol
Muhammad Miftahur Rahman, Franky Michael Hamonangan Siagian
This study investigates the production of electrolytic silicon from amorphous silica in alkaline media, aiming to contribute to Indonesia's sustainable energy solutions amidst rising carbon dioxide emissions. The objective is to develop an efficient process for the extraction of silicon that can potentially replace conventional fossil fuel-based systems. Methodologically, the research employs expe
Electricity Generation from Low Temperat
N. Galanis, E. Cayer
Power plants using conventional processes and unconventional fluids have a significant potential for the valorization of low and medium temperature renewable energy sources as well as waste heat from industrial, commercial or institutional installations. This review paper describes some prototypes of such power plants and summarizes relevant scientific and technical literature. An analysis based o
Optimization of dielectric elastomer wave power generation systems
Seiki Chiba, Mikio Waki
Power generation devices using dielectric elastomers have attracted attention as renewable energy devices because they are highly efficient, stackable, easy to install, and inexpensive. Dielectric elastomers can also be used to create highly efficient actuators, sensors, and generators, without the use of rare earth elements. In particular, dielectric elastomer wave power generation devices have t
ARRANGEMENT FOR USING ENERGY STORAGE IN RENEWABLE ENERGY CONVERSION SYSTEMS
Long Pham
Disclosed embodiments include an arrangement for using energy storage devices to support renewable energy conversion system in implementing inertia response and enhancing fault ride-through capability. The arrangement comprising: (a) a plurality of energy storage devices configured to serve as a temporarily place to store and retrieve electrical energy; and (b) an energy storage controller configu
Kinerja Turbin Vortex dengan Sudu Semi T
I Nyoman Mariawan, Made Sucipta
Turbin vortex adalah turbin yang beroperasi dengan memanfaatkan aliran vortex sebagai penggerak sudu-sudu turbin yang kemudian poros turbin dihubungkan ke generator untuk mengkonversi energi mekanis poros kedalam bentuk energi listrik. Salah satu parameter yang berpengaruh terhadap kinerja turbin vortex adalah bentuk sudu. Banyak penelitian tentang sudu turbin vortex yang telah dilakukan, seperti
Performance Characteristics of Three Sides Artificially Roughened Solar Air Heaters
Ashwini Kumar, B N Prasad
This paper analyzes the performance characteristics of solar air heaters incorporating three artificially roughened sides, which demonstrate enhanced heat transfer capabilities. The objective is to compare the efficiency of these solar air heaters against standard models with smooth absorber plates under similar operational conditions. A comprehensive methodology is employed, building on prior res
STUDY OF SOLAR POWER GENERATION
RAKESH NAVADIYA, MADHU GUNTI
This report presents a comprehensive study on solar power generation, aimed at investigating its feasibility and potential for implementation in electrical engineering applications. The objective of the study is to analyze various factors affecting solar energy utilization, including efficiency rates, system design, and technological advancements in photovoltaic cells. The methodology employed inv
Solar energy—A look into power generation, challenges, and a solar‐powered future
Muhammad Badar Hayat, Danish Ali
This review paper examines solar energy as a sustainable power generation alternative, highlighting its immense potential to meet humanity's energy needs through both photovoltaic (PV) cells and concentrated solar power (CSP) technology. The objective of this study is to provide a comprehensive insight into the methodologies of electricity generation from solar energy and its direct applications,
Progress of solar renewable energy Resea
Rohit D. Shengule
An attempt is made to discuss the tremendous potential of clean electricity to overcome the energy and environmental challenges faced by the world. The renewable sources of energy (RE), mainly solar energy, wind power, and hydropower, including geothermal and biomass have gained great emphasis in the hunger for cheap, continuous, and sustainable energy. The world has gone through many research and
Application of Solar Energy
Radu Rugescu
The science book "Application of Solar Energy" edited by Professor Radu Rugescu aims to explore various aspects and advancements in solar energy technologies. The objective of the publication is to provide insights into the efficiency of solar energy systems, including the high thermal efficiency of gravitational draught via concentrated solar heating, as well as novel technologies for producing o
All about Solar Energy
Amar Choudhary
This paper explores the significance of solar energy as a non-conventional energy resource, contrasting it with traditional sources that are limited and polluting. With the growing demand for energy, it highlights the need for renewable solutions, particularly solar energy, due to its easy availability, pollution-free nature, and economic advantages. The study focuses on solar radiation, its forec
A Review Paper on Solar Energy Generated
Akash Patil, Jason Joseph
Solar energy, which is generated by sunlight, is a non-depleting renewable energy source that is also environmentally benign. This study examines the potential of solar energy to meet global electricity demands, reviewing its applications in industrial, commercial, and domestic sectors. We highlight the simplicity and effectiveness of harnessing solar energy from direct sunlight and its advantages
A review on Solar Thermal Energy
Vipul M. Patel, Gautam J. Ghodasara
This review explores the potential of solar thermal energy as a sustainable power source. The objective is to analyze the advantages of solar thermal systems compared to conventional energy technologies and other renewable sources. The methodology involves examining various types of solar energy technologies, emphasizing the importance of thermal collectors. Results indicate that solar thermal pow
A review of solar thermal technologies
Mirunalini Thirugnanasambandam, S. Iniyan
This review article provides a comprehensive examination of solar thermal technologies, focusing on their current state and future prospects. The objective is to synthesize existing literature on solar water heaters, solar cookers, and solar driers while exploring their designs, developments, and applications in real-world settings. A methodology involving both analytical and experimental approach
2013 Performance Studies of A Multipurpo
Abhishek Saxena, Ghanshyam Srivastava
Energy consumption for cooking, water heating, drying, heating and cooling of buildings, and water distillation in the developing world is a major component of total energy consumption in various households and commercial sectors. The objective of this study is to design and fabricate a Multipurpose Solar Energy System (MSES) tailored for domestic use, particularly in remote areas. This research u
Waste Heat to Power Technologies Current
Erik Garofalo, Matteo Bevione
This paper discusses the critical issue of energy consumption and the potential of waste heat conversion technologies in achieving greater energy efficiency. The objective of the study is to evaluate current technologies, their applications, and future potential in the context of increasing global energy demands and climate change. A comprehensive review of existing literature and case studies on
Thermal Management Systems and Waste Hea
Sadeq Hooshmand Zaferani, Mehdi Jafarian
With the fast evolution in greenhouse gas (GHG) emissions (e.g., CO2, N2O) caused by fossil fuel combustion and global warming, climate change has been identified as a critical threat to the sustainable development of human society, public health, and the environment. To reduce GHG emissions, besides minimizing waste heat production at the source, an integrated approach should be adopted for waste
Study of energy recovery and power gener
Abdulhakim Amer A. Aglln, Yousif M. Hamad
The energy requirement pattern of the world is growing, demanding more sustainable solutions to meet increasing consumption. This study aims to explore the potential of municipal solid waste (MSW) as an alternative energy source through energy recovery and power generation. Data on MSW composition in Benghazi, Libya, was collected from 1997 to 2009 to analyze waste enthalpy and its application in
Smart thermoelectric waste heat generato
Gunay Omer, Abdullah Hakan Yavuz
Globally one third of energy consumption is attributable to the industrial sector, with up to fifty percent ultimately wasted as heat. Waste heat is difficult to identify and evaluate both in terms of quantity and quality. Therefore, waste heat recovery is very important in terms of reducing energy costs and environmental impacts. The method used for waste heat recovery must be feasible. In this s
Development of Waste Heat as Alternative
M.N. Hashim, M.Z. Rosselan
Renewable energy is generally defined as energy that is collected from resources which are naturally replenished on a human timescale either from natural or environment and it also known as the alternative energy. This paper intends to explore the opportunities to produce electricity from waste heat from our surrounding equipment especially household appliances as one of the renewable energy sourc
Development of Thermoelectric Generators
Kaleru Sai Kiran, Dr. V. V. Prathibha Bharathi
To design and analyse a model that can utilize the waste heat energy from various sources like heat energy obtained from car engines exhaust system and to convert obtained heat energy into electricity for multipurpose use in automobiles. Many considerations have been taken to make this system economical, easy to implement and does not produce any burden on car efficiency or engine efficiency. The
Design of Home Power Plant Using Waste H
Agus Supranartha, I Nengah Sunaya
Research on power generation using waste heat is a conversion process that utilizes thermoelectric generator elements, which can be generated from the heat produced by burning waste. This research aims to study and develop a system based on the capabilities of TEG components that can be designed to convert heat from fires into electricity. Based on the properties and advantages of the fuel compone
Design and Objective of Thermo Electric
Sana Ullah Khan, Muhammad Iftikhar Khan
This paper discusses the design and functionality of a thermoelectric generator that aims to convert waste heat into electrical energy using the Seebeck effect. With a growing concern for energy efficiency and sustainability, the conversion of waste heat, often produced in industrial environments, presents a viable opportunity for power generation. The objective of the study is to propose a thermo
Analysis of the use of thermoelectric ge
Imansyah Ibnu Hakim, Nandy Putra
Waste heat recovery is one way to reduce the use of fossil fuels, one of them is by using thermoelectric generator to convert waste heat into electrical power directly, using Seebeck effect and Peltier effect as its working principle, so it can increase efficiency of energy consumption by utilizing waste heat from an instrument that generates waste heat. The focus of this research is to find the o
Power Generation from Waste Heat Energy
A Sudeep, Raja Babu Kashyap
In conventional method of electricity generation, energy is produced by the combustion of natural fuels, resulting in harmful emissions and contributing to global warming. As fuel resources dwindle and environmental concerns grow, alternative power generation methods are urgently needed. This paper focuses on Thermo-electric Power Generation, which offers a direct conversion of heat energy into el
Transforming Waste Heat into Renewable H
Imrich Discantiny
The current worldwide electric power, heat, and cooling production has a negative impact on the environment due to emissions and substantial leaks of low-potential waste heat. This paper aims to explore the transformation of unused industrial low power heat into renewable heat, which is crucial for enhancing system efficiency and represents a significant innovation in global environmental protecti
Technologies for reducing emissions and
Harri Auvinen, Ulla Santti
According to the Finnish Energy Association, in Finland roughly three-quarters of district heat production is based on combined heat and power (CHP) generation, with a significant market share of CHP-derived electricity. This study focuses on the city of Kuopio, noting the recent trends of decreasing fossil fuel use and increasing renewable fuel adoption in electricity production. The reductions i
Energy Conversion
D.Y. Goswami
This chapter focuses on various forms of energy conversion pertinent to mechanical engineering, highlighting steam power plants, gas turbines, internal combustion engines, hydraulic turbines, Stirling engines, and advanced fossil fuel power systems. The objective is to provide a comprehensive overview of the principles and applications of different energy conversion systems. The methodology involv
Electrical and engine driven heat pumps
Lu Aye, W.W.S. Charters
Much of the energy used for domestic, commercial and industrial purposes is to provide efficient and effective heating of conditioned spaces and for specialist niche applications in process heat systems. Vapour compression heat pumps driven by electric motors or engines provide the real capability of upgrading low temperature sources of ambient and waste heat to match the desired load temperatures
Comparisons of Alternative Power Generat
Sohel Patel
The main aim of this study is to explore alternatives to current power generation techniques and investigate ways to combat global warming by reducing greenhouse gas emissions through the installation of renewable and carbon capture technologies. Power generation is a key focus not only in developed countries but also in developing nations. Issues such as global warming, climate change, rising fos
Influence of fully submerged permanent m
Ajay Kumar Kaviti, Akkala Siva Ram
In this experimental study, permanent magnets with three different sizes (M-1, M-2, M-3) are fully submerged in a single-slope glass solar still. The performance of magnetic solar stills (MSS) at 2 cm water depth is compared with conventional solar stills (CSS) at a specific geographic location. The Tiwari model is applied to calculate heat transfer coefficients, internal and exergy efficiencies.
Advancements in solar technologies for s
Amit Kumar Thakur, Rajesh Singh
Agriculture is the main occupation of the majority of people in India. The majority of the population in India is dependent (directly or indirectly) on agriculture as an occupation. The agriculture sector requires more freshwater and power for better yield in the current scenario. Nevertheless, the ever-increasing rate of energy consumption, limited fossil fuels, and rising pollution have made the
A Review on ANN Based Model for Solar Ra
Pooja Malik, Anita Gehlot
Wind speed and solar radiation are fundamental inputs used as a renewable energy source. Both parameters are highly non-linear and environmental dependent. Hence, accurate prediction of these parameters is necessary for various applications in agriculture, industry, transport, and environmental sectors as they help reduce greenhouse gases and are environmentally friendly. This study indicates that
ELECTRICAL ENERGY SYSTEMS HOMEWORK
Atakan YERLI
In recent years, the integration of environmentally friendly technologies such as photovoltaics and fuel cells has led to an increasing need for efficient power distribution systems. This study aims to compare equivalent AC and DC distribution systems in terms of efficiency, addressing the challenges posed by the growing number of DC loads in buildings alongside traditional AC infrastructures. By
An Innovative Turbine Blade for Water Cu
比江島 慎二, 高松 宏彰
流体励起振動の励振機構を利用した水流発電用タービンブレードを考案し，その回転原理を理論的に導出するとともに，エネルギー取得性能について水路実験と水槽実験により検討した。断面アスペクト比e = 2 ~ 8の半楕円柱から成る新型ブレードを用いて検討したところ，e = 6で最も高い性能が得られた。パワー係数は流速とともに急増し，高流速域ではほぼ一定となった。一方，パワー係数はブレード長さとともに増加し，ブレードをさらに長くすれば，より高いエネルギー取得性能が得られる可能性が示唆された。しかし，理論的制約から，パワー係数はブレード長さの増大とともにやがて一定値に収束すると推測される。.
onduleur photovoltaique
Violaine Didier, Bruno Gaiddon
Ce rapport explore le fonctionnement des onduleurs dans les systèmes photovoltaïques, en offrant un état de l'art et une étude de leurs performances. L'objectif est de synthétiser les connaissances existantes concernant les différents types d'onduleurs disponibles sur le marché et leurs caractéristiques techniques propres. La méthodologie adoptée repose sur l'analyse de divers projets de démonstra
Investigations on Heap leaching material and potential recovery of strategic elements
Maria Ussath, Marlies Grimmer
The significance of rare elements for the renewable energy sector is increasingly recognized. This study aims to evaluate the potential recovery of strategic elements from heap leaching residuals, in collaboration with a Chilean company utilizing sulfuric acid for copper extraction. Initial on-site and subsequent laboratory investigations were conducted on recently dumped heap material, which exhi
The Role of Solar Energy (UV -VIS-NIR) as an Assistant for Sulfide Minerals Leaching and Its Potential Application for Metal Extraction
Orlando Y epsen, Eugenia Araneda
The mining industry is facing emerging challenges as a result of the increase in energy consumption and environmental demands. These facts have promoted the use of renewable energy sources, such as wind, geothermal and, mainly, solar energy. This paper discusses the role of solar energy (UV-VIS-NIR) in leaching processes, evaluating its potential application in metal extraction from sulfide minera
Production of 5 hydroxymethyl Furfural f
Dewi Agustina Iryani, Satoshi Kumagai
5-hydroxymethyl furfural (5-HMF) is an important organic compound for the production of renewable plastics, fine chemicals, and fuel. This study aims to explore the potential of using sugarcane bagasse as a raw material for the production of 5-HMF, replacing edible sources such as glucose and fructose. Experiments were conducted in a batch-type reactor with a slurry of 10 ml of water and 1.2 g of
Energy Use and Mining Sector Performance in Nigeria
David Ogbokor, Dennis Brown Ewubare
This study examines the contribution of energy use to mining sector growth in Nigeria. The specific objectives are the effects of fossil fuel use, renewable energy use, alternative energy use, and total electricity use on mining sector value added to the gross domestic product (GDP). The time series data for each of the variables were obtained from secondary sources, including the World Bank, Inte