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A wind-driven whirligig transfers the energy of the wind into either a simple release of kinetic energy through rotation or a more complicated transfer of rotational energy to power a simple or complicated mechanism that produces repetitive motions or creates sounds. The wind simply pushes on the whirligig turning one part of it and it then ...
Starr Gideon Kempf (August 13, 1917 in Bluffton, Ohio – April 7, 1995 in Colorado Springs, Colorado) was an American sculptor, architect, and artist best known for his graceful steel wind kinetic sculptures.
Anthony Howe (born 1954, Salt Lake City, Utah) is an American kinetic sculptor who creates wind-driven sculptures resembling pulsing, alien creatures and vortices. He makes use of computer-aided design , shaping the metal components with a plasma cutter , and completing his work by use of traditional metalworking techniques.
According to Betz's law, no wind turbine of any mechanism can capture more than 16/27 (59.3%) of the kinetic energy in wind. The factor 16/27 (0.593) is known as Betz's coefficient. Practical utility-scale wind turbines achieve at peak 75–80% of the Betz limit. [2] [3] The Betz limit is based on an open-disk actuator.
The Zephyrometer is a public sculpture by Phil Price in Evans Bay, Wellington.The work was installed in 2003. [1] [2] It is a kinetic sculpture consisting of a concrete cylinder holding a 26 metres (85 ft) tall needle which sways to show wind direction and speed.
Crosswind kite power is power derived from airborne wind-energy conversion systems (AWECS, also AWES) or crosswind kite power systems (CWKPS). The kite system is characterized by energy-harvesting parts flying transversely to the direction of the ambient wind, i.e., to crosswind mode; sometimes the entire wing set and tether set are flown in crosswind mode.
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