News tagged with rotor speed


Tilting at wind farms

Technology / Engineering

created Jan 07, 2009 | popularity 4.9 / 5 (10) | comments 4

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 ...





Search results for rotor speed


Rear Wheel Trouble Continues

Spirit Rover: Rear Wheel Trouble Continues

Space & Earth / Space Exploration

created Dec 10, 2009 | popularity 4.8 / 5 (5) | comments 0

(PhysOrg.com) -- Results of diagnostic tests on Spirit's right-rear wheel on Sol 2109 (Dec. 8, 2009) continue to indicate a troubled wheel, which may leave the rover with only four operable wheels.


Sky Serpent

Scalable wind turbine might fit on your roof

Technology / Energy

created May 26, 2008 | popularity 4.5 / 5 (74) | comments 14

When you think of wind power, you probably picture gigantic wind turbines spinning gracefully in the middle of large open areas.


Sticky business – researchers devise new way of mapping the viscosity of cells

Sticky business – researchers devise new way of mapping the viscosity of cells

Chemistry /

created May 23, 2008 | popularity not rated yet | comments 0

A fluorescent dye can be used to map how viscous, or 'gloopy', different parts of a cell are, according to new research published in the Journal of the American Chemical Society this month.


The Physics of Pizza Tossing

The Physics of Pizza Tossing

Physics / General Physics

created Apr 09, 2009 | popularity 3.6 / 5 (13) | comments 6

(PhysOrg.com) -- As dough flies through the air, transforming from a ball into a disk in the chef’s experienced hands, pizza tossing can definitely be thought of as an art. But, as a recent study shows, pizza ...


Free Spirit: Third Extrication Drive Ends With Wheel Stall

Free Spirit: Third Extrication Drive Ends With Wheel Stall

Space & Earth / Space Exploration

created Nov 23, 2009 | popularity 4 / 5 (2) | comments 0

(PhysOrg.com) -- Spirit experienced a wheel stall with the right-rear wheel during the second step of a two-step drive on Sol 2092 (Saturday, Nov. 21). This is not the same wheel that stalled on Sol 1899 (May ...


Improved technique determines structure in membrane proteins

Chemistry /

created Aug 17, 2008 | popularity 3.7 / 5 (3) | comments 0

Understanding the form and function of certain proteins in the human body is becoming faster and easier, thanks to the work of researchers at the University of Illinois.


Molecular Hula Hoop: Spinning motion of a molecular rotor detected

Molecular Hula Hoop: Spinning motion of a molecular rotor detected

Chemistry /

created Jul 17, 2008 | popularity 4.6 / 5 (5) | comments 0

(PhysOrg.com) -- Humans have long been trying to make the dream of nanoscopic robots come true. The dream is, in fact, taking on some aspects of reality. Nanoscience has produced components for molecular-scale ...


Contemplating excess wind

Technology / Energy

created Jun 16, 2009 | popularity 2.6 / 5 (5) | comments 0

How much usable energy do wind turbines produce? It is a question that perplexes engineers and frustrates potential users, especially on windless days. A study published this month in the International Journal of Energy provid ...


Full speed ahead: High-temperature superconductors ensure efficient propulsion in all-electric ships

Technology / Engineering

created Apr 11, 2007 | popularity 4.1 / 5 (17) | comments 0

Researchers from Siemens have developed a new type of propulsion motor for all-electric ships (AES). The synchronous machine is part of an electric propulsion system based on high temperature superconducting technology (HTS). ...


'Anti-noise' Silences Wind Turbines

'Anti-noise' silences wind turbines

Technology / Engineering

created Aug 11, 2008 | popularity 4.9 / 5 (15) | comments 0

If wind energy converters are located anywhere near a residential area, they must never become too noisy even in high winds. Most such power units try to go easy on their neighbors' ears, but even the most ...



List of search results for rotor speed