Current Energy News and Events

Current Energy News and Events, Energy News Articles.
Sort By: Most Relevant | Most Viewed
Page 1 of 25 | 1000 Results
Low-level jets create winds of change for turbines
Global wind power capacity has increased more than fivefold over the past decade, leading to larger turbines, but low-level jets are one cause for concern. The effects of these strong, energetic wind flows depend on how high the wind flows are in relation to the turbines. In the Journal of Renewable and Sustainable Energy, researchers considered three different scenarios in which the LLJs were above, below, and in the middle of the turbine rotors. (2021-02-23)

Scientists link star-shredding event to origins of universe's highest-energy particles
A team of scientists has detected the presence of a high-energy neutrino in the wake of a star's destruction as it is consumed by a black hole. This discovery sheds new light on the origins of Ultrahigh Energy Cosmic Rays--the highest energy particles in the Universe. (2021-02-22)

NREL heats up thermal energy storage with new solution meant to ease grid stress
Scientists from the National Renewable Energy Laboratory (NREL) have developed a simple way to better evaluate the potential of novel materials to store or release heat on demand in your home, office, or other building in a way that more efficiently manages the building's energy use. (2021-02-16)

Research reveals why plant diversity is so important for bee diversity
A study in southern England reveals why bumble bees and honey bees thrive despite foraging on the same flowers. (2021-02-10)

Efficiency limits of next-generation hybrid photovoltaic-thermal solar technology
Spectral-splitting hybrid photovoltaic-thermal (SSPVT) technology has emerged as a promising route toward high-performance solar harvesting. In this research, scientists have developed a comprehensive framework for modelling SSPVT solar collectors. The framework can be used to determine the efficiency limits of such collectors and to indicate how these limits can be approached through the selection of optimal designs and materials. This work promotes and provides guidance to the design, development and deployment of next-generation solar systems. (2021-02-08)

Does Goal 7 Energy for All need a rethink?
Goal 7 of the Sustainable Development Goals (SDGs) aims to ensure access to affordable, reliable, sustainable and modern energy for all by 2030. Yet according to new research by Copenhagen Business School the poor planning and execution of decarbonisation strategies in emerging markets challenges the aims of Goal 7. (2021-02-08)

New global 'wind atlas' propels sustainable energy
Wind energy scientists at Cornell University have released a new global wind atlas - a digital compendium filled with documented extreme wind speeds for all parts of the world - to help engineers select the turbines in any given region and accelerate the development of sustainable energy. (2021-02-03)

NREL reports sustainability benchmarks for plastics recycling and redesign
Researchers developing renewable plastics and exploring new processes for plastics upcycling and recycling technologies will now be able to easily baseline their efforts to current manufacturing practices to understand if their efforts will save energy and reduce greenhouse gas emissions. Benchmark data calculated and compiled at the National Renewable Energy Laboratory (NREL) provide a measurement -- at the supply chain level -- of how much energy is required and the amount of greenhouse gases emitted from the production of a variety of plastics in the United States. (2021-02-02)

Rumen additive and controlled energy benefit dairy cows during dry period
Getting nutrition right during a dairy cow's dry period can make a big difference to her health and the health of her calf. But it's also a key contributor to her milk yield after calving. New research from the University of Illinois shows diets containing consistent energy levels and the rumen-boosting supplement monensin may be ideal during the dry period. (2021-01-28)

Could "Power Walking" fuel the energy revolution? India is ready to step up
India has an energy problem. It currently relies heavily on coal and consumer demand is expected to double by 2040, making its green energy targets look out of reach. Part of the solution could come from harvesting energy from footsteps, say Hari Anand and Binod Kumar Singh from the University of Petroleum and Energy Studies in Dehradun, India. Their new study, published in the De Gruyter journal Energy Harvesting and Systems, shows that Indian attitudes towards power generated through piezoelectric tiles are overwhelmingly positive. (2021-01-19)

It's electrifying! This is how Earth could be entirely powered by sustainable energy
Can you imagine a world powered by 100% renewable electricity and fuels? It may seem fantasy, but a collaborative team of scientists has just shown this dream is theoretically possible - if we can garner global buy-in. The study explores what changes are needed in our energy mix and consumption patterns if we are to achieve 100% renewability in a way that supports everyone and the myriad of life on our planet. (2020-12-22)

Inverted fluorescence
Fluorescence usually entails the conversion of light at shorter wavelengths to light at longer wavelengths. Scientists have now discovered a chromophore system that goes the other way around. When excited by visible light, the fluorescent dyes emit light in the ultraviolet region. According to the study published in the journal Angewandte Chemie, such light upconversion systems could boost the light-dependent reactions for which efficiency is important, such as solar-powered water splitting. (2020-12-18)

NYS can achieve 2050 carbon goals: Here's how
By delving into scientific, technological, environmental and economic data, Cornell University engineering researchers examined whether New York could achieve a statewide carbon-free economy by 2050. Their finding: Yes, New York can reach this goal - and do it with five years to spare. (2020-12-18)

Engineers go microbial to store energy, sequester CO2
By borrowing nature's blueprints for photosynthesis, Cornell University bioengineers have found a way to efficiently absorb and store large-scale, low-cost renewable energy from the sun - while sequestering atmospheric carbon dioxide to use later as a biofuel. (2020-12-15)

Seabed sediment and asphalt areas are noteworthy sources of heat energy
According to a new study from the University of Vaasa, seabed sediment and asphalt areas are noteworthy sources of heat energy also in northern conditions. Sediment heat has been studied in Suvilahti, Vaasa, Finland and asphalt heat in the parking area of University of Vaasa for several years. (2020-12-14)

Benefits of renewable energy vary from place to place
A new study finds the environmental benefits of renewable power generation vary significantly, depending on the nature of the conventional power generation that the renewable energy is offsetting. The researchers hope the work will help target future renewable energy investments in places where they can do the most good. (2020-12-14)

Green energy transition: Early and steady wins the race
Researchers from Aarhus University and Karlsruhe Institute of Technology have modelled the decarbonisation of the sector-coupled European energy system using uninterrupted high-res hourly data for every European and Scandinavian country and network interconnectivity. The research has now been published in Nature Communications and the results are clear: To reach climate-neutrality by 2050 we need solar energy. And lots of it. (2020-12-04)

Optimising laser-driven electron acceleration
In a new paper published in the EPJ D, Etele Molnár, ELI-NP, Bucharest, and co-authors study and review the characteristics of electron acceleration in a vacuum caused by the highest-power laser pulses achievable today looking for the key to maximum net energy gain. (2020-12-04)

Detecting solar neutrinos with the Borexino experiment
A paper published in EPJ C by a team of authors including XueFeng Ding, Postdoc Associate of Physics at Princeton University, United States, documents the attempts of the Borexino experiment to measure low-energy neutrinos from the sun's carbon-nitrogen-oxygen (CNO) cycle for the first time. (2020-12-04)

Attosecond interferometry in time-energy domain
Analogous to the conventional spatial double-slit experiment, the time domain Young's experiment can be realized by using temporal slits for diffraction instead, and fringes in the energy domain are expected. As a time-energy domain interferometric device, the temporal Young's interferometer is anticipated to possess advantageous time resolving capability and holds the promise of tracking ultrafast processes. Scientists from China developed an all-optical attosecond few-slit interferometer and demonstrated its applications in time-energy domain high precision measurement (2020-11-24)

NREL advanced manufacturing research moves wind turbine blades toward recyclability
A new material for wind blades that can be recycled could transform the wind industry, rendering renewable energy more sustainable than ever before while lowering costs in the process. The use of a thermoplastic resin has been validated at the National Renewable Energy Laboratory (NREL). Researchers demonstrated the feasibility of thermoplastic resin by manufacturing a 9-meter-long wind turbine blade using this novel resin, which was developed by a Pennsylvania company called Arkema Inc. (2020-11-17)

Boosting the capacity of supercapacitors
Carefully designed covalent organic frameworks could make supercapacitor electrodes that have a greater ability to store electric charge. (2020-11-01)

Muscle pain and energy-rich blood: Cholesterol medicine affects the organs differently
Contrary to expectation, treatment with statins has a different effect on blood cells than on muscle cells, a new study from the University of Copenhagen reveals. Today, statins are mainly used in the treatment of elevated cholesterol, but the new results may help design drugs for a number of conditions. (2020-10-29)

Menstrual dysfunction is more common among young athletes than among non-athletes
Menstrual dysfunction is more prevalent in young Finnish athletes than it is among non-athletes of a similar age, but athletes experience less body weight dissatisfaction than non-athletes do. These findings are from a recent study at the Faculty of Sport and Health Sciences at the University of Jyväskylä, Finland. The study was conducted among members of sports clubs who exercised at least four times a week (athletes) and non-members (non-athletes). (2020-10-28)

Burning biomass fuels at home led to 32% of premature deaths from inhaling fine particles in China in 2014
The burning of biomass fuels such as wood and crop residues, which are often used for cooking and heating homes in rural China, contributed to 32% of an estimated 1,150,000 premature deaths caused by inhaling fine particle pollutants in China in 2014, according to a new study. Residential energy use of all types led to 67% of these premature deaths overall, the findings (2020-10-28)

A question of affinity
A collaboration of scientists from the Max Planck Institute for Polymer Research (MPI-P) in Germany and the King Abdullah University of Science and Technology (KAUST) in Saudi Arabia have recently scrutinized organic solar cells and derived design rules for light-absorbing dyes that can help to make these cells more efficient, while tailoring the absorption spectrum of the cells to the needs of the chosen application. (2020-10-27)

Renewable energy targets can undermine sustainable intentions
Renewable energy targets (RETs) may be too blunt a tool for ensuring a sustainable future, according to University of Queensland-led research. PhD candidate Scott Spillias, from UQ's School of Earth and Environmental Sciences, said that, while RETs are a go-to for policymakers, more nuanced approaches were more effective at actually achieving holistic, sustainable outcomes. (2020-10-27)

Turning streetwear into solar power plants
Researchers at Empa and ETH Zurich succeeded in developing a material that works like a luminescent solar concentrator and can even be applied to textiles. This opens up numerous possibilities for producing energy directly where it is needed, i.e. in the use of everyday electronics. (2020-10-22)

Studying new solar tracking strategies to maximize electric production
The University of Cordoba analyzed a new strategy for solar tracking using backtracking in order to avoid shadows being cast among solar panels in photovoltaic plants (2020-10-19)

Mathematical tools predict if wave-energy devices stay afloat in the ocean
Ocean waves represent an abundant source of renewable energy. But to best use this natural resource, wave-energy converters need to be capable of physically handling ocean waves of different strengths without capsizing. (2020-10-13)

The distance local energy goes to bring power to the people
A study published today in the journal Frontiers in Sustainability by the University of California, Davis, sheds light on the lengths alternative energy providers go to bring electrical power to customers. (2020-10-12)

Cement, salt and water: From Politecnico di Torino a new material toward green heat
A study carried out from the Turin university in collaboration with the Advanced Energy Technology Institute CNR-ITAE and published on the journal Scientific Reports, suggest a low cost technology to store heat during the summer and use it during the winter, thus saving in fossil fuels. (2020-10-08)

Cortex-wide variation of neuronal cellular energy levels depending on the sleep-wake states
The brain is assumed to exert homeostatic functions to always keep the cellular energy status constant, this has not been proven. Researchers at Tokyo Metropolitan Institute of Medical Science discovered that cortical neuronal intracellular concentrations of ATP, the major cellular energy metabolite, greatly decreased during REM sleep, despite a simultaneous increase in cerebral hemodynamics for energy supply, compared with waking in mice. These indicate that cerebral energy metabolism may not always meet neuronal energy demands. (2020-10-07)

Lighting the path to recycling carbon dioxide
Combining solar-harvesting materials with carbon-dioxide-consuming microbes could be an efficient way to generate clean fuels. (2020-10-05)

Untapped potential exists for blending hydropower, floating PV
Hybrid systems of floating solar panels and hydropower plants may hold the technical potential to produce a significant portion of the electricity generated annually across the globe, according to an analysis by researchers at the US Department of Energy's National Renewable Energy Laboratory (NREL). (2020-09-29)

Inside mitochondria and their fascinating genome
EPFL scientists have observed -- for the first time in living cells -- the way mitochondria distribute their transcriptome throughout the cell, and it involves RNA granules that turn out to be highly fluid. (2020-09-28)

Scientists explored optimal shapes of thermal energy storages
Scientists from Far Eastern Federal University (FEFU), and the Institute of Automation and Control Processes of the Far Eastern Branch of the Russian Academy of Sciences (IACP FEB RAS) have studied a correlation between the shape of Thermal Energy Storages (TES) used in traditional and renewable energy sectors and their efficiency. Using the obtained data, design engineers might be able to improve TES for specific needs. A related article was published in the Renewable Energy. (2020-09-28)

Wind forecasts power up for reliable energy production
Prediction of wind speed and direction for up to several hours in advance improves Saudi Arabia's wind energy potential. (2020-09-27)

New storage battery more efficient and heat-resistant
The more important renewable energy sources become, the more urgent is the need to store the electricity produced in this way. Green energy could then also be used when the sun is not shining. To achieve this, suitable energy storage devices are indispensable. Researchers at the University of Jena (Germany) have recently developed promising new polymer electrolytes for redox flow batteries, which are flexible, efficient, and environmentally friendly. (2020-09-25)

Optimizing of VCSEL photon lifetime for minimum energy consumption at varying bit rates
Prof. Bimberg's group at Bimberg Chinese-German Center for Green Photonics Changchun at Institute of Optics, Fine Mechanics, and Physics, Chinese Academy of Sciences has developed VCSELs emitting at 850 nm, 880 nm, 910 nm, 940 nm, which were optimized to achieve 50+ Gb/s, enabling 200+ Gb/s data transmission across a multimode fiber. This was based on the PAM2-modulation scheme without any kind of predistortion leading to a spectral efficiency around 2 bit. (2020-09-24)

Page 1 of 25 | 1000 Results
   First   Previous   Next      Last   
Brightsurf.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.