Wind Energy

Thu, 20 Sep 2018 14:16:05 UTC

Physicists train robotic gliders to soar like birds

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 more
Thu, 06 Sep 2018 18:16:11 UTC

Large wind and solar farms in the Sahara would increase heat, rain, vegetation

Wind and solar farms are known to have local effects on heat, humidity and other factors that may be beneficial -- or detrimental -- to the regions in which they are situated. A new climate-modeling study finds that a massive wind and solar installation in the Sahara Desert and neighboring Sahel would increase local temperature, precipitation and vegetation. Overall, the researchers report, the effects would likely benefit the more
Wed, 05 Sep 2018 16:47:47 UTC

Wind turbines: How much power can they provide?

Wind turbines could cover 40 percent of the current electricity consumption in more
Tue, 04 Sep 2018 15:46:22 UTC

3D printed impeller allows unmanned aircraft to operate for thousands of hours

Engineers are developing a cooled, radial gas turbine for a small generator that provides thousands of hours of electricity to an unmanned aerial vehicle (UAV), a significant improvement to current UAV turbines that only operate a few hundred hours before wearing more
Fri, 31 Aug 2018 19:01:59 UTC

A new way to remove ice buildup without power or chemicals

Researchers have found a way to prevent icing of powerlines, airplanes, wind turbines, and other surfaces with a special coating and the power of sunlight -- no heating or harsh chemicals more
Tue, 28 Aug 2018 12:59:06 UTC

The science behind blowing bubbles

What exactly happens when you blow on a soap film to make a bubble? Behind this simple question about a favorite childhood activity is some real science, researchers have more
Fri, 17 Aug 2018 11:00:00 UTC

How Can the Micro-Grid Solar Solution Realize Electrification in Regions Without Power Supply?

The electrification revolution, which began in the 1860’s, completely changed the way people live and promoted social development. But according to the World Bank's State of Electricity Access Report there are 1.06 billion powerless people around the world. They still live in the dark and do not enjoy the benefits of electrification. 87% of them live in remote rural areas and islands far from power grids. Unfortunately, the cost to extend the power grid to them is too high. … read more
Thu, 26 Jul 2018 20:12:55 UTC

Europe may thrive on renewable energy despite unpredictable weather

Researchers have shown how long-term weather patterns affect wind and solar renewable energy technologies across Europe. The work suggests that despite the unpredictable nature of wind and solar energy, the European power system can comfortably generate at least 35 percent of its electricity using these renewables alone without major impacts on prices or system more
Wed, 11 Jul 2018 14:55:39 UTC

Different strategy of cycling teams in escape attempts

A new study based on wind tunnel research on a peloton of 121 cyclists may explain why so few 'breakaways' in professional cycling races, like this year's Tour de France, are more
Mon, 09 Jul 2018 14:46:05 UTC

Oil rigs may end their days as valuable artificial reefs

A large group of international researchers have just published a scientific article in which they encourage environmental authorities across the globe to rethink the idea of removing oil rigs, wind turbines and other installations in the sea when they are worn more
Wed, 20 Jun 2018 13:47:37 UTC

Evaluation method for the impact of wind power fluctuation on power system quality

Abrupt changes of wind power generation output are a source of severe damage to power systems. Researchers have developed a stochastic modeling method that enables to evaluate the impact of such more
Tue, 05 Jun 2018 15:21:38 UTC

Does living near wind turbines negatively impact human health?

Wind turbines are a source of clean renewable energy, but some people who live nearby describe the shadow flicker, the audible sounds and the subaudible sound pressure levels as 'annoying.' They claim this nuisance negatively impacts their quality of more
Tue, 29 May 2018 17:20:32 UTC

Construction delays make new nuclear power plants costlier than ever

The cost of building new nuclear power plants is nearly 20 percent higher than expected due to delays, a new analysis has more
Thu, 17 May 2018 15:38:12 UTC

Can we get 100 percent of our energy from renewable sources?

Some researchers doubted the feasibility of many of the recent scenarios for high shares of renewable energy. Now scientists have hit back with their response to the points raised. They demonstrate that there are no roadblocks on the way to a 100 percent renewable more
Thu, 17 May 2018 15:38:02 UTC

Autonomous glider can fly like an albatross, cruise like a sailboat

Engineers have designed a robotic glider that can skim along the water's surface, riding the wind like an albatross while also surfing the waves like a more
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