Wind Energy News -- ScienceDaily
Wind Energy Information. From offshore wind turbines to understanding wind turbulence, learn all about using the wind to our advantage. Also, wind testing buildings.
Engineers, zoologists reveal how gulls 'wing morph' for stable soaring
2 Jan 2019 at 8:28am
Aviation experts and zoologists have provided new insights into how gulls configure their wing shape -- known as wing morphing -- to stabilize their flight. The findings could be used to design more efficient flying vehicles, including soaring drones for farming or environmental monitoring.
Understanding dynamic stall at high speeds
18 Dec 2018 at 9:31am
Although many fixed-wing aircraft can withstand similar rapid pitch-up maneuvers, a vehicle subject to this dynamic stall process is not reliably controllable. Motivated by the lack of detailed understanding, researchers took a deep dive into the physics of dynamic stall so that it can be used beneficially and reliably by aircraft.
Upwind wind plants can reduce flow to downwind neighbors
18 Dec 2018 at 8:51am
New research highlights a previously unexplored consequence of the global proliferation of wind energy facilities: a wake effect from upwind facilities that can reduce the energy production of their downwind neighbors.
How plants can generate electricity to power LED light bulbs
12 Dec 2018 at 6:33am
Researchers have discovered that living plants are literally 'green' power source: they can generate, by a single leaf, more than 150 Volts, enough to simultaneously power 100 LED light bulbs. Researchers also showed that an 'hybrid tree' made of natural and artificial leaves can act as an innovative 'green' electrical generator converting wind into electricity.
Fine-tuning renewables could help Texas balance energy resources
5 Dec 2018 at 11:27am
A new study analyzes Texas' mix of wind and solar energy resources, and how to achieve better balance between them going forward.
New catalyst produces cheap hydrogen fuel
29 Nov 2018 at 7:00am
Chemistry researchers have discovered cheaper and more efficient materials for producing hydrogen for the storage of renewable energy that could replace current water-splitting catalysts.
Coordinated development could help wind farms be better neighbors
26 Nov 2018 at 10:43am
New research highlights a previously underexplored consequence: A wake effect from upwind wind farms that can reduce the energy production of their downwind neighbors.
Engineers fly first-ever plane with no moving parts
23 Nov 2018 at 10:51am
Engineers have built and flown the first-ever plane with no moving parts. Instead of propellers or turbines, the light aircraft is powered by an 'ionic wind' -- a silent but mighty flow of ions that is produced aboard the plane, and that generates enough thrust to propel the plane over a sustained, steady flight.
Making wind farms more efficient
9 Nov 2018 at 9:26am
With energy demands rising, researchers have completed an algorithm -- or approach -- to design more efficient wind farms, helping to generate more revenue for builders and more renewable energy for their customers.
Magnetic pumping pushes plasma particles to high energies
5 Nov 2018 at 7:54am
The solar wind is not a calm summer breeze. Instead, it is a roiling, chaotic mess of turbulence and waves. There is a lot of energy stored in this turbulence, so scientists have long thought that it heats the solar wind. However, the heating expected from turbulence is not the heating observed. Scientists now have a new idea about what heats the solar wind, a theory called magnetic pumping.
Opening communication lines between propulsion and airflow poses new questions
11 Oct 2018 at 10:34am
On the runway to more fuel-efficient aircraft, one alternative propulsion scheme being explored is an array of electrically powered ducted fans. The fans are distributed across the wing span or integrated into the wing. Researchers have gained new understanding in how the fans and especially their precise placement on the aircraft can affect the cross-conversation between propulsion and the airflow around the wing.
Windier wind farms
4 Oct 2018 at 10:18am
Depending on how wind turbines are situated relative to each other and to the prevailing wind, those not directly in the path of the wind could be left to extract energy from significantly depleted airflow. However, according to researchers, there are ways to get around this issue of diminishing wind returns.
Large-scale US wind power would cause warming that would take roughly a centu...
4 Oct 2018 at 8:25am
Extracting energy from the wind causes climatic impacts that are small compared to current projections of 21st century warming, but large compared to the effect of reducing US electricity emissions to zero with solar. Researchers report the most accurate modelling yet of how increasing wind power would affect climate, finding that large-scale wind power generation would warm the Continental United States 0.24 degrees Celsius because wind turbines redistribute heat in the atmosphere.
Smart devices could soon tap their owners as a battery source
27 Sep 2018 at 7:56am
The world is edging closer to a reality where smart devices are able to use their owners as an energy resource, say experts.
Physicists train robotic gliders to soar like birds
20 Sep 2018 at 7:16am
Scientists know that upward currents of warm air assist birds in flight. To understand how birds find and navigate these thermal plumes, researchers used reinforcement learning to train gliders to autonomously navigate atmospheric thermals. The research highlights the role of vertical wind accelerations and roll-wise torques as viable biological cues for soaring birds. The findings also provide a navigational strategy that directly applies to the development of UAVs.