Scientists are often trained to seek out the absolute best solution to a given problem. On a chalk board, this might look something like drawing a graph to find a function's minimum or maximum point. When designing a turbojet ...
Evolution
May 18, 2023
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Wind turbines are growing bigger and bigger – the diameter of their rotor blades could soon reach 180 meters. But that creates a need for larger test rigs capable of accommodating the blades for load testing. One of ...
Engineering
Apr 1, 2011
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(PhysOrg.com) -- "Smooth" and "quiet" are two words not usually associated with a helicopter ride, but NASA is working to change that. A full-size UH-60A Blackhawk helicopter rotor was the subject of tests the agency's Subsonic ...
Engineering
Jun 7, 2010
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A laser in Iowa State University's Wind Energy Manufacturing Laboratory scanned layer after layer of the flexible fiberglass fabric used to make wind turbine blades.
Energy & Green Tech
Oct 26, 2011
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(PhysOrg.com) -- The ocean is a potentially vast source of electric power, yet as engineers test new technologies for capturing it, the devices are plagued by battering storms, limited efficiency, and the need to be tethered ...
Engineering
Nov 19, 2009
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While wind energy has shown strong potential as a large-scale, emission-free energy source, bat and bird collisions at wind turbines result in thousands of fatalities annually. Migratory bats, such as the hoary bat, are especially ...
Ecology
Nov 1, 2010
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Wind turbines in Midwestern farm fields may be doing more than churning out electricity. The giant turbine blades that generate renewable energy might also help corn and soybean crops stay cooler and dryer, help them fend ...
Environment
Dec 16, 2010
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There are 30,000 wind turbines in operation in Germany, many of which are starting to age. In 2019, 2000 rotor blades had to be discarded; in 2024, this figure will shoot up to 15,000. But where to put these up to 90-meter-long, ...
Materials Science
Mar 2, 2020
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The erosion of materials used in wind turbine blades due to the effect of weather conditions is a problem that applies to the whole wind energy sector. VTT's antiAGE project found a functional solution to the material problem ...
Energy & Green Tech
Jan 22, 2019
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Noise pollution is a big public concern associated with operating wind turbines. A group of European scientists claims to have found a solution to this problem, assembling an innovative device on the blades. They are collaborating ...
Energy & Green Tech
Sep 25, 2015
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