News tagged with rotor speed
Tilting at wind farms
A way to make wind power smoother and more efficient that exploits the inertia of a wind turbine rotor could help solve the problem of wind speed variation, according to research published in the International Journal of ...
Jan 07, 2009 |
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Search results for rotor speed
German engineers mimic humpback whale to increase helicopter stability
(PhysOrg.com) -- Whale researchers have known for some time that humpback whales are able to perform feats of underwater acrobatics that belie their huge size and that some of that ability is partly due to ...
Feb 01, 2012 |
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Power generation is blowing in the wind
(PhysOrg.com) -- By looking at the stability of the atmosphere, wind farm operators could gain greater insight into the amount of power generated at any given time.
Technology / Energy & Green Tech
Jan 17, 2012 |
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Zero Motorcycles debuts electric motorcycle with 100-mile range and improved speed
Zero Motorcycles recently unveiled the first mass-produced electric motorcycle capable of traveling more than 100 miles, breaking down one of the long-standing obstacles to consumer adoption.
Technology / Energy & Green Tech
Nov 18, 2011 |
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Tiny battery is also a nanomotor
(PhysOrg.com) -- Measuring just 3.6 micrometers long, one of the smallest batteries ever made won’t be powering our electronic devices anytime soon, but it does serve as a self-powered nanomotor that ...
Oct 19, 2011 |
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Eurocopter demonstrates new emergency backup electric motor for helicopters
(PhysOrg.com) -- Normally, when a helicopter loses power in flight due to engine failure, the pilot reverts to using a technique called autorotation to avoid crashing. What happens is the rotors keep spinning ...
Oct 14, 2011 |
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New imaging techniques reveal the workings of supramolecular nanomachines
Supramolecules comprising many kinds of proteins and nucleic acids are present in all living organisms. Often with precise structures and a variety of parts, these supramolecules exhibit complex movements ...
Chemistry / Analytical Chemistry
Jul 25, 2011 |
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Computer model optimizes wind farm
A new software from Siemens will improve wind farms’ energy yields and extend their service life. When the wind causes the huge rotors to turn, it generates turbulence, which interferes with the operation ...
Technology / Energy & Green Tech
Jul 25, 2011 |
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Wind-turbine placement produces tenfold power increase, researchers say
(PhysOrg.com) -- The power output of wind farms can be increased by an order of magnitude -- at least tenfold -- simply by optimizing the placement of turbines on a given plot of land, say researchers at the ...
Technology / Energy & Green Tech
Jul 13, 2011 |
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The way has been cleared for mega wind turbines of 20 MW
The present largest wind turbines have a capacity of 5-6 MW. Following five years of research at the joint European project UpWind, led by Risoe National Laboratory for Sustainable Energy, the Technical University of Denmark ...
Technology / Energy & Green Tech
Apr 15, 2011 |
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Lab focuses on new technology to prevent icing on planes, helicopters
A little rain or fog may seem like an insignificant threat to a helicopter or airplane. But minor clouds and precipitation can be the cause of canceled flights -- or fatalities.
Apr 07, 2011 |
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List of search results for rotor speed
