Current Geothermal Energy News and Events

Current Geothermal Energy News and Events, Geothermal Energy News Articles.
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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)

Energy harvesting: Printed thermoelectric generators for power generation
Thermoelectric generators, TEGs for short, convert ambient heat into electrical power. They enable maintenance-free, environmentally friendly, and autonomous power supply of the continuously growing number of sensors and devices for the Internet of Things (IoT) and recovery of waste heat. Scientists of Karlsruhe Institute of Technology (KIT) have now developed three-dimensional component architectures based on novel, printable thermoelectric materials. The results are reported in npj Flexible Electronics (DOI: 10.1038/s41528-020-00098-1) and ACS Energy Letters (DOI: 10.1021/acsenergylett.0c02159) (2021-02-05)

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)

Cornell University to extract energy from manure to meet peak heating demands
Cornell University is developing a system to extract energy from cattle manure to meet the campus's peak demands for heat in the winter months. In the Journal of Renewable and Sustainable Energy, scientists involved with the project give a detailed analysis of the issues required to make this work, including scientific, economic, and energy policy considerations. (2020-12-22)

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)

Scientists discover compounds that could have helped to start life on Earth
Scientists from St Petersburg University and Ben-Gurion University of the Negev have discovered natural cyclophosphates. These are possible precursors of phosphorus-containing molecules that are believed to have contributed to the emergence of primordial life on Earth. Cyclophosphates could have been formed billions of years ago in regions of elevated geothermal activity or during meteorite bombardments of the Earth. (2020-12-14)

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)

Newly discovered Greenland plume drives thermal activities in the Arctic
A team of researchers understands more about the melting of the Greenland ice sheet. They discovered a flow of hot rocks, known as a mantle plume, rising from the core-mantle boundary beneath central Greenland that melts the ice from below. (2020-12-07)

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)

Best region for life on Mars was far below surface
The most habitable region for life on Mars would have been up to several miles below its surface, likely due to subsurface melting of thick ice sheets fueled by geothermal heat, a Rutgers-led study concludes. The study, published in the journal Science Advances, may help resolve what's known as the faint young sun paradox - a lingering key question in Mars science. (2020-12-02)

Climate change warms groundwater in Bavaria
Groundwater reservoirs in Bavaria have warmed considerably over the past few decades. A new study by researchers at Martin Luther University Halle-Wittenberg (MLU) compares temperatures at 35 measuring stations, taken at different depths, with data from the 1990s. Water found at a depth of 20 metres was almost one degree warmer on average than 30 years ago. The findings were published in the journal 'Frontiers in Earth Science'. (2020-12-01)

Scientists warn of the social and environmental risks tied to the energy transition
New international research by the Institute of Environmental Science and Technology of the Universitat Autònoma de Barcelona (ICTA-UAB) warns that green energy projects can be as socially and environmentally conflictive as fossil fuel projects. While renewable energies are often portrayed as being environmentally sustainable, this new study cautions about the risks associated with the green energy transition, arguing for an integrated approach that redesigns energy systems in favor of social equity and environmental sustainability. (2020-12-01)

New material 'mines' copper from toxic wastewater
A team of scientists led by Berkeley Lab has designed a new material -- called ZIOS (zinc imidazole salicylaldoxime) -- that targets and traps copper ions from wastewater with unprecedented precision and speed. The technology offers the water industry and the research community the first blueprint for a water-remediation technology that scavenges heavy metal ions with a measure of control that far surpasses the current state of the art. (2020-11-24)

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)

Hurricanes, heavy rains are critical for Hawai'i's groundwater supply
New research led by University of Hawai'i at Mānoa scientists indicates that rain brought to the islands by hurricanes and Kona storms can often be the most important precipitation for re-supplying groundwater in many regions of the island of O'ahu. (2020-10-12)

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)

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