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Topic: Turby wind turbine

	Darrieus wind turbine - Wikipedia, the free encyclopedia
		The Darrieus wind turbine is a type of wind turbine used to generate electricity from the energy carried in the wind.
		The turbine consists of a number of aerofoils vertically mounted on a rotating shaft or framework.
		This design of wind turbine was patented by Georges Jean Marie Darrieus, a French aeronautical engineer, in 1927.
	en.wikipedia.org /wiki/Darrieus_wind_turbine (1208 words)

	Turby Canada Inc. (Site not responding. Last check: 2007-10-09)
		Turby is a vertical axis wind turbine especially developed for roof tops on high buildings.
		Turby is connected to the building power grid "behind the meter" so that the value of every kWh produced is equal to the costs avoided by not having to purchase a kWh.
		Wind striking against a building has to evade that obstacle by passing along the edges of the building at a higher speed and density.
	www.turbycanada.com (419 words)

	The educational encyclopedia, wind power, wind energy, wind mills (Site not responding. Last check: 2007-10-09)
		Wind energy wind is a form of solar energy.
		Winds are caused by the uneven heating of the atmosphere by the sun, the irregularities of the earth's surface, and rotation of the earth.
		Wind turbine a wind turbine is a machine for converting the kinetic energy in wind into mechanical energy.
	users.telenet.be /educypedia/education/physicsenergywind.htm (533 words)

	NLRE.Net \| Wind Power Generators \| VAWT (Site not responding. Last check: 2007-10-09)
		It is a Vertical Axis Wind Turbine or VAWT - a propellor is a HAWT.
		This design of wind turbine was patented by Georges Jean Marie Darrieus, a French aeronautical engineer, in 1931.
		The advantages of the Darrieus design are the fact it is not sensitive to wind direction, and the generator can be mounted in a fixed position on the ground, which overall can lead to a mechanically simpler design than is possible with the propeller type.
	www.nlre.net /darrieus_wind_power_generators.htm (608 words)

	Wind Power (index)
		GE Wind Turbine Installation (600 kb download) - quicktime time-lapse presentation of assembly of one of 108 turbines recently installed in Colorado; which combined are capable of generating 160 MW on a windy day.
		Sun and wind bring power to Navajos for the first time - The systems are portable, running on both solar and wind power, and composed of an 800 watt photovoltaic cell, 400 watt wind turbine, 10,000 watt hour batteries and an AC inverter.
		Wind Turbines for the Shores of Lake Huron - The winds whipping up speed along lake Huron's flat expanse may soon be harnessed for power on the Canadian shores.
	www.freeenergynews.com /Directory/Wind (2768 words)

	"Another Approach to Wind," Feature Article, June 2004 (Site not responding. Last check: 2007-10-09)
		Anyone not directly involved in the wind turbine industry might be forgiven for thinking that all wind turbines face into the wind, with a horizontal axis of rotation.
		Horizontal-axis wind turbine technology is likely to peak in the next few years, largely because of the limitations of the blades and their effects on the machine.
		Rather than having a wind turbine that exerts a specific load onto its support tower, Eurowind's modular system is designed to tailor the wind turbine—and, therefore, its load—to the known reserve strength of the host structure.
	www.memagazine.org /backissues/jun04/features/apptowind/apptowind.html (2278 words)

	[No title] (Site not responding. Last check: 2007-10-09)
		Just like the wind turbine, the energy of the rotating axis is converted to electric power by means of a low speed generator.
		Besides, the turbine is located far above the bottom of the water current, so that long cables are needed first to the bottom of the flow channel and then over or in the bottom towards the shore to be subsequently connected to an electricity power station.
		The water turbine 1 can be mounted with the generator on a concrete slab 5, which is placed on the bottom 6 of the streaming water 7.
	www.wipo.int /cgi-pct/guest/getbykey5?KEY=05/10353.050203&ELEMENT_SET=DECL (1476 words)

	Wind Energy
		The wind’s energy, because it is moving, is in the form of kinetic energy and if all the energy was captured by the propeller or rotor there would not be an airflow consequently it can be said that the "lost" energy is used to keep the air flowing.
		V is the velocity of the wind (m/s)
		In the prototype at right, in light wind, you can actually see the rotor accellerate as the reaching sail enters the wind, and this is despite the fact that the running sail has been in a run (using the sailing sense of the word) for some time.
	techref.massmind.org /techref/other/windmills.htm (1661 words)

	[No title] (Site not responding. Last check: 2007-10-09)
		Wind generated energy is one of the most efficient methods of turning mechanical (kinetic) energy of motion into electricity, because once the generator is in place the energy source is free and the maintenance and support of a wind turbine is quite low, especially the large machines that have good economies of scale.
		In the case of wind turbines however, this is not a good solution because a working alternator must be connected to something and under load at all times, if it is spinning, or the high voltage and current flow in the very thin alternator windings will cause them to overheat.
		Wind generated electricity is very highly dynamic and so a load controller must monitor the voltage spikes at many thousands of times a second and react by diverting this excess energy just a quickly.
	www.truenorthpower.com /freewindnews0404.html (3022 words)

	Conscious Choice: Elegant Technology
		This is an urban windmill — a windmill without propellers, a dancing wind generator working with adjoining solar panels to provide clean electricity to power pumps that refresh the Humboldt Park creek and lagoon, creating a cool urban oasis in the middle of this West Side neighborhood.
		The Windside wind turbine arrived at Humboldt Park through the initiative of the Chicago Park District and its general contractor, Schaefges Brothers Inc., a Chicago construction firm, which teamed up with Neway Argaw of Denver, an experienced designer of combined wind and solar electrical systems.
		And by harnessing these urban winds and combining that power with another renewable technology, such as solar panels, some renewable energy advocates say zero-energy buildings that can exist completely off the grid are possible in the heart of urban areas.
	www.consciouschoice.com /2005/cc1808/windsb21808.html (763 words)

	Search Tuna Report for vertical axis turbine (Site not responding. Last check: 2007-10-09)
		Since wind turbines are a renewable means of generating electricity, they are being widely deployed, but their cost is often subsidised by taxpayers, either directly or through renewable energy credits....
		The wind turbine as in claim 1 wherein said rotor assembly is adapted to be connected to an electrical generator....
		Wind turbines are generally placed into two categories: horizontal-axis turbines propeller windmills which operate directly into the wind and turn about a horizontal axis and vertical-axis turbines which harness columns of air to turn rotor blades rotating about a vertical axis.
	www.searchtuna.com /ftlive2/4729.html (1126 words)

	Townsville SOE - State of the Environment Report
		Most wind turbines are known as horizontal axis wind turbines because the axis of rotation of the blades is in the horizontal plane.
		The ropatec wind turbine is different, with a vertical axis of rotation.
		Small vertical axis wind turbines are more suited to urban areas as they are silent and because of the reduced risk associated with their slower rates of rotation.
	www.soe-townsville.org /strandwindproject/turbines.html (275 words)

	JustEnergy: Protecting People and the Environment (Site not responding. Last check: 2007-10-09)
		The city's environment committee wants to help set up a wind turbine in the city to see how effective it would be for homeowners and businesses.
		Gord Steeves said during an August tour of the Netherlands he was impressed by a wind turbine called the Turby, built by a company from that country.
		It's not clear if the Turby would be as effective in Winnipeg's climate nor what kind of regulatory hoops would need to be jumped through before a wind turbine could be put up here.
	www.justenergy.org /news/100703freepress.html (326 words)

	[No title]
		Partly with the wind test, I figured out that the best way to 'catch' wind with a turbine is to place it on the top of a high tower (at least 70 meters).
		Because of the shape of the high tower the diffused wind is stabilized when it enters the turbine.
		In both the wind tunnel test and a Maya wind simulation is shown that the second turbine catches straight wind flows so it can work properly.
	www.bk.tudelft.nl /students/b1139592/internet/install.htm (190 words)

	Vertical Wind Generators 100% Match for Vertical Wind Generators
		Wind generators are used for battery charging, AC utility intertie, water or space heating and direct motor axis propeller type systems.
		Mounted on a vertical axis there is a vertical plane, decreasing the effect of the wind on the wheel and protecting it from overload.
		In general, wind generators are mounted at least 3 to 6 in a vertical position, the guy wires are adjusted to stabilize the tower.
	www.just-generators.com /Vertical-Wind-Generators.html (274 words)

	Vawt
		The axis of the wind turbine is horizontal, as opposed to vertical (VAWT).
		McKenzie Bayís patent-pending DWT sm wind turbine is ìsecond generationî VAWT technology, based on the Darrieus Wind Turbine design that was tested and refined at Sandia National Laboratory...
		A unit that redefines the capabilities and efficiencies of a VAWT (vertical axis wind turbine).
	windmillgenerator.metegenerator.com /vawt (891 words)

	[No title] (Site not responding. Last check: 2007-10-09)
		Wind turbine designed for use on high buildings in built-areas.
		GE Wind Energy designs and manufactures wind turbines with rated outputs of between 900 and 3,600 kW.
		In April 2003 GE Wind Energy announced a new series of 2 MW class wind turbines.
	www.show-info.nl /_upload/sustain2003/docs/Supplement_New_Products_Sustain_6_May.doc (170 words)

	Beyond Tomorrow \| Turby (Site not responding. Last check: 2007-10-09)
		Turby could turn electricity generation on its head.
		Turby is a revolutionary vertical axis wind turbine designed for use in an urban or built up environment.
		Unlike windmills or wind generators, Turby is highly efficient even in low winds and can power up a house with ease – and when the wind doesn’t blow you switch back into the regular grid.
	www.beyondtomorrow.com.au /stories/ep19/turby.html (79 words)

	Special Topic Conference 2004 (Site not responding. Last check: 2007-10-09)
		Wind turbine performance predictions using a differential actuator disk modeling.
		Aerodynamic noise prediction of a horizontal axis wind turbine rotor.
		Influence of a wave modelling on the prediction of fatigue for offshore wind turbines.
	www.eawe.org /content/events/presentations.html (852 words)

	CNCzone.com-The Ultimate Machinist Community - CNC made wind turbine.
		This alternator tuning would be similar to wind powered pumps that use stepping motors to vary their crankshaft throw to keep the pump load matched to the wind available.
		(remembering that the blade is being blown in a wind turbine whereas in a plane it is drawing/pulling).
		It would seem wise to build a wind turbine to perform best around the average wind speed for your location, and be happy when it's blowing harder and buy solar panels if there's no wind.
	www.cnczone.com /forums/printthread.php?t=12529 (2897 words)

	Free Energy News -- November 2005 Archive
		The UK offshore wind industry is making significant progress in its second phase of development with the recent submission for permitting approval of a new 300 MW project -- the third in the curr...
		An editorial argument for wind turbines in Vermont, where the scenic beauty disruption issue is impeding installation.
		Wind > TMA's vertical axis wind turbine introduces competitive advantage - Design creates pull on the back side contributing to 40%+ wind conversion efficiencies, doesn't kill birds, runs more quietly, doesn't need to be installed as high, blends better with landscape.
	freeenergynews.com /newstuff/archive/2005/Nov.htm (3975 words)

	Untitled Document
		Wind power has seen increased usage in large scale power production with the construction of wind farms composed of large horizontal axis wind turbines.
		Wind power, rising cubically with wind speed, is capable of high outputs at unpredictable times.
		The purpose of the project is to utilize the advantages of each and evaluate their contributions to the system as a whole.
	designserver.rit.edu /Archives/P05307 (323 words)

	Turby - Personal Electricity Generation For Your Home (Site not responding. Last check: 2007-10-09)
		Small wind generators have been around for a long time, check out Southwest Windpower's "Air" line, however, the fact is, wind generators in urban setting are not very efficient, and invariably some community members will be adverse to having them around, and make sure you don't get the requisite permits.
		In addition, there is a reason why near all wind gennerators are Horizontal axis units, and that is, vertical axis units, while by nature more tolerant to highly shifting or turbulent air, are very inneficient compared to horizontal axis units.
		Vertical axis turbines are fun for experimentation, but if you're serious about wind power, you know that they just can't produce as much as a horizontal axis unit can.
	digg.com /technology/Turby_-_Personal_Electricity_Generation_For_Your_Home (1535 words)

	photovoltaics - breaking news archivos 2001-2004
		The underlying idea is quite simple: if for some reason (for instance one is living in a city) it is impossible to build a wind turbine in your own backyard, then you may join forces with others to build a collective wind turbine in some appropriate spot.
		Wind energy is the natural partner of solar energy: when the sun does not shine it is usually windy; if the wind is down, chances are high that the sun shines.
		Watch the TURBY designed by Core International, a smart new design for small wind turbines The design is a combined Savonius/Darrieus device.
	home.tiscali.nl /~taildrag/solar_archivos/archivos_pages/page_14_2001_2004_uk.htm (5995 words)

	CustomerDataBasePage01
		Other websites that feature vertical-style wind generation devices in the process of being developed and where something substantial seems to be underway can be found at: Dermond, Inc. of Quebec, Canada, The "Turby" Turbine of The Netherlands, Energy Transfer Corp. of Montana, and Mass Megawatts of Massachusetts.
		A small wind device with blades assembled with some tubing, sheet metal, and pop rivets into a good profile shape can be seen at a site in the UK.
		Another small wind device, being developed recently for mounting on the ridges of building rooftops can be seen at a site in the Midwest.
	www.integener.com /CustomerDataBase/Page01.htm (855 words)

	Miniature Generators For Windmills - Big Windmill Guide
		Wind generators are used for battery charging, AC utility intertie,...
		Small wind turbines or wind generators, pumping systems,...
		Small wind turbines, small windmills, micro hydro turbines, PM generators, Environmental Turbine Technology development by Gunnar Ettestol, ETTE Elektro,...
	bigwindmillguide.com /miniature-generators-for-windmills.html (429 words)

	Alternative Science and Technology Research Organisation
		Fisher and Paykel wind energy group, displayed a set of new PVC blades that he had designed and built.
		Apparently the councils do not have any design guidelines and regulations for the wind generator towers, but it would be advisable to check with them before constructing a wind generator and tower.
		He said that Dunlite wind generators had basically tackled these problems with electromagnetic field windings to.balance the load, wind speed and turbine characteristics.
	astrosa.com /n05/n0805.htm (1771 words)

	Energy conversion engineering - WIND POWER VERTICAL SHAFT
		The yearly averaged wind speed is 17.5 kM/h.
		Is there a relationship between the wind speed and the raduis at which the airfoils are mounted.
		A vertical axis wind turbine is often called a Savonius or Darius design.
	www.eng-tips.com /viewthread.cfm?qid=48396 (333 words)

	Today In Free Energy - Official Website - (Site not responding. Last check: 2007-10-09)
		Canadian vertical wind turbine being evaluated for urban markets; "Global Warming: An Official Pseudoscience" calls global warming a myth; Abstracts now available for the Conference on Condensed Matter Nuclear Science.
		General Electric ups its wind turbine production; A new "hot-air" plane is submitted for patenting; Mike Johnston highlights numerous news sources to substantiate global warming.
		Wind powered wireless devices; ZPE, quantum physics, Zeno paradox and the Fermat theorem; Chilled beams for reduced energy usage; Third new offshore UK wind project seeks consent.
	www.opensourceenergy.org /_layouts/apps/archives.asp (2821 words)

	the Otherpower.com Discussion Board \|\| Comments Breif introduction about myself
		We are rebuilding an old wind turbine making new blades for it.
		Basically I'm still at present more interested in vertical than horizontal axis wind turbines, but at present I'm involved with quite busy project with these horizontal axis developments.
		Vibration has so far killed almost all VAT projects except for the "Turby" (link here, mostly in dutch but some pics).
	www.fieldlines.com /comments/2004/9/4/111627/2435/8 (1052 words)

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