Articles tagged with Wind Power
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Researchers at Purdue University are working on mimicking the process of photosynthesis to harness sunlight directly into usable energy. The goal is to create a clean and efficient fuel source that could replace traditional forms of renewable energy like wind power and solar panels.
Researchers at Niigata University have developed a highly efficient nickel sulfide nanowire anode for electrocatalytic water splitting, which reduces the initial energy required for oxygen evolution and accelerates four-electron transfer. This breakthrough enhances long-term performance and stability of electrochemical cells.
Global clean energy technology adoption is growing at a rapid pace, particularly in niche markets like Norway and California for electric vehicles, Ireland for wind power, and China for electric buses and new nuclear. These pioneers are crucial to addressing climate change by developing and deploying low-carbon technologies.
A recent study by Helmholtz-Zentrum Hereon found that wind farms in the North Sea experience a significant slowing down of wind speeds when built close together, leading to reduced power output and economic consequences.
Researchers from Heriot-Watt University developed AI algorithms to optimize community energy assets, using multi-agent systems and cooperative game theory. The models provide fair ways to share joint gains among community members, considering individual contributions and needs.
Researchers track water molecule movement using Helium Spin-Echo technique, revealing repulsion between water molecules on graphene surface is crucial for ice formation. This discovery challenges previous understanding of ice nucleation and provides new insights into controlling ice formation.
Researchers at Texas A&M University have developed a method to compare the performance of different wind turbine designs, using machine learning and social science analysis. The study found that this technique can provide a robust and accurate way to determine the merit of competing technologies.
Researchers are developing a bio-inspired hydrofoil turbine that harnesses the power of natural river flows to generate electricity. The system aims to provide a more efficient, environmentally friendly alternative to traditional renewable energy sources.
Researchers found a predicted average annual production gain of 0.8% for large sampling of commercial US wind plants using wake steering. This technique increases power output by nearly 70% while maintaining energy generation costs.
A team of researchers developed a method to detect simultaneous sensor and actuator faults in wind turbines, eliminating the need for redundant hardware components. The approach uses a state observer model to identify discrepancies between the original system and its duplicate, enabling real-time fault detection and correction.
To reach its goal of 70% renewable energy generation by 2030, New York state will need to utilize lower-grade agricultural land and dual-use (agrivoltaics) options for solar energy development. This approach can help alleviate public concerns and mitigate negative economic activity in rural communities.
The GridScale technology stores electrical energy as heat in basalt crushed to tiny stones, offering a cost-effective solution for long-term electricity storage. The facility will support electricity supply for up to a week, addressing the challenge of storing intermittent wind and solar electricity.
Experts predict significant cost reductions in wind energy by 2035 and 2050, driven by larger turbines, lower capital and operating costs. The study's findings offer insights into the magnitude of cost reductions and drivers for improvement.
A new study suggests that expanding solar and wind power across the region could alleviate disagreements between Ethiopia, Sudan, and Egypt over Africa's largest hydropower plant. Integrating GERD operation with solar and wind power would provide regional win-win situations, benefiting all countries involved.
A study of over 10,000 papers reveals significant impacts of human sounds on marine mammals, fish, and invertebrates, disrupting behaviors such as communication, foraging, and navigation. Researchers suggest solutions like reducing shipping speeds, quieter propellers, and floating wind turbines to alleviate anthropogenic noise.
Research from the University of New Hampshire found significant support for offshore wind energy development among coastal recreation visitors, with 77% in favor. The study's findings suggest that OWD will likely have little impact on coastal recreation and tourism, instead potentially amplifying visitation.
India aims to quintuple wind and solar energy capacity by 2030, which could hold greenhouse gas emissions at 2018 levels while nearly doubling electricity supply. Researchers also discover a hidden charge-generating pathway in copper-phthalocyanine:fullerene material for more efficient sunlight conversion.
A mobile app developed by Graz University of Technology aims to optimize energy consumption through user participation and data collection. The app uses game-like elements to encourage users to share their energy usage data, which is then used to predict household energy consumption and inform smart grid management.
New research suggests that existing acoustic monitoring measures are insufficient to reliably predict bat mortality risk at large wind turbines. To improve coverage, scientists recommend installing supplementary ultrasonic detectors and complementary sensor technologies like radar systems or thermal imaging cameras.
Researchers from UC Santa Barbara recommend India increase its target to 600 GW of renewable capacity by 2030. Meeting high renewable targets would not avert the need to build fossil fuel power plants due to specific weather patterns and peak electricity demand requirements.
A Stanford University study found that wind turbines produce more electricity during extreme cold weather, which is often accompanied by increased demand for heating. This suggests that wind energy can provide critical power to meet growing seasonal heat demands, even in the coldest of times.
New research reveals the length, speed, and flight heights of Shelduck migration across the North Sea, showing interactions with offshore wind turbines. The study used solar-powered GPS tags to track four birds, finding that they all ended their migration in almost exactly the same place despite taking different routes.
A new study found that whooping cranes migrate around wind turbines to select safe rest and refueling locations. The researchers suggest placing infrastructure outside migration corridors to mitigate negative impacts on bird populations.
To achieve its goal, Switzerland must double its photovoltaic capacity every decade, with power from wind, hydrogen fuel cells, and imports also contributing. Electric vehicles and heat pumps will become crucial, while energy savings through building renovation are essential for meeting the target.
A recent field study conducted by Iowa State University researchers found that wind turbine icing can have a significant impact on power production, with losses reaching up to 80%. The study, which analyzed data from a Chinese wind farm, showed that icing conditions can disrupt blade aerodynamics and lead to reduced energy output.
A team of scientists detected a space hurricane in Earth's polar ionosphere and magnetosphere, revealing a long-lasting, swirling mass of plasma. The analysis allowed a 3D image to be created of the hurricane, which rained electrons instead of water.
A new study estimates that the externalities of coal, oil, and gas are worth trillions of dollars, with coal accounting for nearly 60% of energy externalities. The research highlights the market failure of the world's energy systems, suggesting that factoring in these costs could make fossil fuelled power stations economically unviable.
Researchers found that low-level jets can increase power production by up to 30% when positioned below turbines. Turbines placed above or at the same height as LLJs experience reduced efficiency due to blocked airflow. The study highlights the importance of optimizing turbine height for maximum energy capture.
The UK must decommission around 300 and 1600 early-model offshore wind turbines by 2025 and 2030, respectively. Research reveals that the remaining years before these original turbines' end of life can be proactively used to prevent safety lapses and huge costs.
A new study found that common pipistrelle bats are attracted to wind turbines, with activity around 30% higher at turbines than control locations. Ongoing monitoring and measures like idling blade rotation may help reduce fatalities. Soprano pipistrelle bat activity did not show conclusive evidence of attraction.
New research by Copenhagen Business School finds that poor planning and execution of decarbonisation strategies in emerging markets challenges the aims of Goal 7. The study highlights the need for governance in energy democracy, allowing marginalized communities to participate in renewable energy investments. This can be achieved throu...
A new global wind atlas provides documented extreme wind speeds for all parts of the world, enabling engineers to select turbines and accelerate sustainable energy development. The atlas is a digital compendium that helps ensure cost-efficient and dependable electricity generation.
Researchers at Sandia National Laboratories have developed a new tool to study wind power and its potential as a source of distributed energy. The custom-built wind turbine emulator mimics actual wind turbines, allowing for real-time simulations of various weather conditions and load demands.
Researchers developed multiple feasible technology pathways to achieve carbon-neutrality by 2050, with cost estimates ranging from 0.2% to 1.2% of GDP. The study suggests increasing energy efficiency, switching to electric technologies, and deploying clean electricity can help meet this goal.
Researchers at Aarhus University are developing physics-informed data-driven models to improve wind farm flow simulations, optimization, and control. The new framework aims to capture complex interactions between atmospheric turbulent flows and the environment using big data in real environments.
A study by Cornell University researchers suggests that New York can reach a carbon-free economy by 2050 with five years to spare. The key to achieving this goal lies in the widespread adoption of offshore wind energy, geothermal heating, and electric air heat pumps.
A UBCO research team has developed advanced ice sensors that can detect frost and ice build-up in real-time, enabling improved safety and efficiency in aviation and renewable energy applications. The patented sensor is being tested by the aviation industry for approval and also being adapted for use in wind farms.
Researchers at Trinity College Dublin have identified a new mechanism for the formation of bastnèsite, a rare earth-bearing mineral essential for low-carbon energy generation and smart devices. The discovery has important economic implications due to the high demand for rare earth elements and their limited availability.
Researchers created a database of measurements from existing global power grid systems to develop new power systems capable of meeting changing demands. The publicly available data can be used worldwide to design and test new energy concepts in response to current and future challenges.
Researchers from Aarhus University modelled decarbonisation of the European energy system using high-resolution data. Solar energy emerges as a cost-optimised cornerstone for a fully decarbonised energy system by 2050.
Engineers at West Virginia University are developing a new energy conversion system that can reconcile the supply and demand conflict between renewables and power grids. The system uses hydrogen as a fuel to generate power, addressing the issue of excess renewable energy being dissipated due to storage limitations.
A comprehensive review of existing literature suggests that wind turbine noise can affect sleep stages and deep sleep time. Researchers are calling for further well-controlled experimental studies to better understand the impact on sleep.
A new international study finds that green energy projects can be as conflictive as fossil fuel projects, disproportionately impacting rural and indigenous communities. Social protest is effective in stopping or modifying projects, but policymakers must address equity concerns to ensure a just transition.
Researchers study large-scale wind turbine design to overcome efficiency and cost challenges. Advanced computational methods reveal the physics of giant rotating machines, enabling better understanding of wind turbine wakes and interactions with the atmosphere.
Researchers have developed a thermoplastic resin for wind blades, enabling recyclability and reducing costs. The material can be melted and reused, decreasing the need for landfills.
Researchers discovered that inserting potassium atoms into amorphous silica creates a negative charge by forming a SiO5 structure, which accumulates electrons. This design guidance improves the reliability and longevity of vibrational energy harvesters.
A new study by Cornell University researchers found that government policies played a crucial role in Denmark's widespread adoption of wind energy. The study analyzed the impact of policies on small producers' decisions to shut down or upgrade aging equipment and found that well-designed policies were essential for the industry's growth.
Researchers at the University of Oldenburg generated turbulent flows in a wind tunnel, simulating conditions similar to those encountered in real storms. The team discovered that the wind tunnel flow combines two components into perfect, realistic storm turbulence.
A new study suggests that renewable energy targets can actually exacerbate sustainability issues, such as rolling blackouts in California. The researchers argue for a more nuanced approach, considering trade-offs between different policy instruments and long-term objectives.
Seawater air-conditioning (SWAC) has been shown to provide the same cooling energy as 21 wind turbines or a solar power plant the size of 68 football fields, making it a viable alternative to conventional air-conditioning. The technology can reduce greenhouse gas emissions and water consumption in cooling systems.
A new study suggests that investing in climate-positive recovery plans for the global energy system could put the world on track to meet the Paris Agreement goals. Investing just a tenth of the $12 trillion pledged in stimulus packages over five years in climate-friendly policies could achieve net zero carbon energy by mid-century.
Researchers at Linköping University have developed an organic redox flow battery with a water-based electrolyte, increasing the energy density. The battery uses conducting polymer PEDOT electrodes and quinone molecules, making it safe, cheap, and recyclable.
KAUST researchers developed a statistical model providing the best wind forecast yet for Saudi Arabia, aiming to increase renewable energy in the grid and reach 9 gigawatts of installed wind energy by 2030. The model uses advanced statistical approaches to jointly model wind speed and direction, showing improved prediction performance.
Researchers in China have designed a nanogenerator that captures light breezes, generating electricity through the triboelectric effect. The device can power small electronic devices and is suitable for nature reserves or cities, offering a cost-effective alternative to traditional wind turbines.
A new UMass Amherst program, Elevating Equity Values in the Transition of the Energy system (ELEVATE), brings together experts in energy technology and social justice to develop pathways for a sustainable energy transition that promotes socioeconomic equity. The program aims to create technological and policy solutions that reimagine t...
A study from California Polytechnic State University finds that offshore winds in the Central Coast increase when demand is greatest, making them an ideal candidate to fill the gap left by solar and on-shore wind energy production. The study suggests that offshore wind energy could play a crucial role in meeting California's ambitious ...
The ELECTRODE project aims to develop more efficient methods for storing renewable energy, a crucial step towards phasing out fossil fuels. Researchers will create porous photopolymer structures using 3D printing, increasing the effect of fuel cells.
Researchers from University of Turku and Helsinki have conducted a review on wind farm impacts on bats in the Baltic Sea region, finding that impacts have barely been investigated due to limited data. The study aims to monitor bats for several years to define high-risk areas and design measures to reduce wind turbine impact.
Researchers investigated the impact of temperature on solar and wind energy production in Australia, finding small annual changes but significant effects during peak temperature days. The study aimed to inform electricity sector planning for reliability in different climate conditions.
A new study finds that a 'one-size-fits-all' approach to producing cleaner energy based on cost alone could create social inequalities. Countries transitioning to zero carbon should consider socio-economic impacts, such as the potential disruption to workforce and labor market, before making decisions.