News tagged with rotor speed
Tilting at wind farms
Jan 07, 2009 |
4.9 / 5 (10) |
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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
Spirit Rover: Rear Wheel Trouble Continues
Space & Earth / Space Exploration
Dec 10, 2009 |
4.8 / 5 (5) |
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.
Scalable wind turbine might fit on your roof
May 26, 2008 |
4.5 / 5 (74) |
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
May 23, 2008 |
not rated yet |
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
Apr 09, 2009 |
3.6 / 5 (13) |
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
Space & Earth / Space Exploration
Nov 23, 2009 |
4 / 5 (2) |
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
Aug 17, 2008 |
3.7 / 5 (3) |
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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
Jul 17, 2008 |
4.6 / 5 (5) |
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
Jun 16, 2009 |
2.6 / 5 (5) |
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
Apr 11, 2007 |
4.1 / 5 (17) |
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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
Aug 11, 2008 |
4.9 / 5 (15) |
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
