Energy

Wind Power

Get the most up-to-date news and technical briefs for what is trending in wind power generation plus access to viable solutions to the challenges facing wind energy technologies.

Briefs : Materials
Synthesis and Development of Polyurethane Coatings Containing Fluorine Groups for Adhesive Applications

Accumulation of insect strikes on the leading edge of airplane wings is a more serious problem than one might realize. Depending on the magnitude, such accumulation changes the aerodynamic characteristics of the wing, causing a change from...

Articles : Energy
National Renewable Energy Laboratory

In 1977, the National Renewable Energy Laboratory (NREL, Golden, CO) started as the Solar Energy Research Institute (SERI), spurred by national concern during the 1973 oil embargo that caused long lines...

Briefs : Energy
Water-Based Battery Stores Solar and Wind Energy

Wind and solar energy generation creates challenges, since the Sun only shines by day, and sometimes the wind doesn't blow. Another variability is surges of demand on the grid. On a hot day when air conditioning is in use, utilities must have load-balancing strategies to meet peak demand. A...

Briefs : Electronics & Computers
Mobile Power Distribution System

Mobile or transportable power supply and distribution systems are needed for various types of work that require electrical power in a field or outdoor environment — such as construction and environmental...

Briefs : Energy
Bi-Directional Energy Cascades and the Origin of Kinetic Turbulence in the Solar Wind

The kinetic turbulence of solar wind originates in the solar corona. The solar wind carries the fluctuations and escapes from the corona along the open magnetic field lines, and enters into the interplanetary space. The energy exchange among waves and particles...

Briefs : Test & Measurement
“Intelligent” Rotor Blades React Quickly to Changing Conditions

The giant rotor blades are one central part of a wind turbine. Researchers developed a rotor blade that makes more efficient use of large fluctuations in wind strength using...

Articles : Transportation
Facility Focus: Argonne National Laboratory

Located in Argonne, IL, Argonne National Laboratory (ARL) is a multidisciplinary science and engineering research center. Born out of the University of Chicago’s work on the Manhattan Project in...

Briefs : Test & Measurement
Radar Scanner Tests Wind Turbine Blades for Defects

Wind power has become an indispensable part of an environmentally friendly power supply. Therefore, it is important for this growth market that wind turbines become more efficient, more...

News : Energy
Long-Lasting Flow Battery Advances Renewable Energy Efforts

A new flow battery from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) stores energy in organic molecules dissolved in neutral pH water. Losing only one percent of its capacity per 1000 cycles, the non-toxic, non-corrosive device offers the potential to...

INSIDER : Energy
Electricity Generator Mimics Trees

Iowa State University scientists have built a device that mimics the branches and leaves of a cottonwood tree and generates electricity when its artificial leaves sway in the wind. The device is derived...

News : RF & Microwave Electronics
New Radar Measures Flow Fields for More Intelligent Wind Farms

Texas Tech University scientists have brought the wind power industry one step closer to its potential with the creation of a system to measure wind flow and control turbine-to-turbine interaction for maximum power generation.

News : Energy
Scientists Simulate Bacteria-Powered 'Windfarm'

A team of scientists from Oxford University has shown how the natural movement of bacteria could be harnessed to assemble and power microscopic "windfarms."

News : Materials
Spray-on formula could ice-proof airplanes, power lines, windshields

On your car windshield, ice is a nuisance. But on an airplane, wind turbine, oil rig, or power line, it can be downright dangerous. And removing it with the methods that...

News : Energy
NASA Tests Revolutionary E-Sail Propulsion Technology

Testing has started at NASA on a concept called the Heliopause Electrostatic Rapid Transit System (HERTS), a propellant-less propulsion system that would harness solar wind to travel into interstellar space. “The sun releases protons and electrons into the solar wind at very high speeds --...

News : Energy
Gigantic Blades Could Generate More Offshore Energy

A new design for gigantic blades longer than two football fields could help bring offshore 50-megawatt (MW) wind turbines to the United States and the world. Sandia National Laboratories designed a low-cost, offshore, 50-MW turbine requiring a rotor blade more than 650 feet long, two and a half...

News : Mechanical & Fluid Systems
New Technology Could Reduce Wind Energy Costs

Engineers from the University of Sheffield have developed a novel technique to predict when bearings inside wind turbines will fail, which could make wind energy cheaper. The method uses ultrasonic waves to measure the load transmitted through a ball bearing in a wind turbine. The stress on wind...

News : Software
Second, Smaller Rotor Increases Wind Turbine Efficiency

Large wind turbine blades disturb the wind, creating a wake behind them and reducing the energy harvest of any downwind turbines. A turbine sitting in the slipstream of another can lose 8 to 40 percent of its energy production, depending on conditions. By adding a smaller, secondary rotor...

Briefs : Energy
Pumped Subsea Energy Storage

A local energy source is desired for near-shore and offshore applications. Gas generators, diesel generators, and long-length submerged power cables tend to be expensive. A proposed solution is to use offshore wind with some type of energy storage mechanism for up to 1 GW-h. Energy storage in batteries is too...

News : Energy
Public Lighting System Runs on Solar and Wind Energy

A researcher at the Barcelona College of Industrial Engineering, in collaboration with the company Eolgreen, has developed the first autonomous industrialized public lighting system that...

News : Imaging
New Study Uses Blizzard to Measure Wind Turbine Airflow

A study by researchers at the University of Minnesota using snow during a Minnesota blizzard is giving researchers new insight into the airflow around large wind turbines. This research...

Articles : Energy
Mars Technologies Spawn Durable Wind Turbines

NASA Technology

“It all started with ecological life support systems for exploration,” says David Bubenheim, a senior research scientist at NASA’s Ames Research Center. Sometimes...

Articles : Energy
2013 Create the Future Design: Sustainable Technologies Category Winner

The Paradigm Shift in Wind Turbine Technology

Glen Lux
Lux Wind Power Ltd., Saskatoon, Saskatchewan, Canada

Imagine a renewable energy source...

News : Software
Promoting Virtual Power Plants for Efficient Renewable Energy Production

Researchers from the School of Electronics and Computer Science (ECS) at the University of Southampton have devised a novel method for forming virtual power plants...

News : Energy
New Tech for Grid-Level Electrical Energy Storage

Electrical energy storage is the obstacle preventing more widespread use of renewable energy sources. Due to the unpredictable nature of wind and solar energy, the ability to store this...

News : Government
Deploying U.S. Offshore Wind Projects

Offshore wind is an enormous potential resource for the United States - with strong, consistent winds located in the Atlantic, Pacific, the Great Lakes, and the Gulf of Mexico. As part of a planned...

News : Energy
Next-Generation Battery Technology

Sandia National Laboratory researchers have developed a family of liquid salt electrolytes - known as MetILs - that could lead to better batteries and well as devices that can help incorporate large-scale intermittent renewable energy sources, like solar and wind, into the nation’s electric grid.

News : Energy
Looking at Atmospheric Stability to Predict Wind Power

Power generated by a wind turbine largely depends on wind speed. In a wind farm in which the turbines experience the same wind speeds but different shapes, such as turbulence, to the wind profile, a turbine will produce different amounts of power. Two researchers say that this variable power...

News : Energy
Superconducting Current Limiter

A new superconducting current limiter based on YBCO strip conductors has been installed at a power plant. At the Boxberg power plant of the Swedish company Vattenfall, the current limiter protects the grid for own consumption that is designed for 12,000 volts and 800 amperes against damage due to short circuits...

News : Software
Atlas Maps Renewable Energy Resources

A new geospatial application developed by the DOE’s National Renewable Energy Laboratory (NREL) allows users to map potential renewable energy resources in the United States. The interactive tool is...

News : Energy
How Terrain and Turbine Placement Affect Wind Energy Production

A miniature turbine measuring just 10 inches high is helping a research team led by Hui Hu - an Iowa State University associate professor of aerospace engineering - understand how hills, valleys, and the placement of turbines affect the productivity of onshore wind farms.

Technology Leaders