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Practivistas Chiapas windbelt ASE

1,624 bytes added, 15:09, 9 August 2010
made a section on background of the project, removed incorrect information and moved in some references
=== Background of the Students ===
 
Background of A.S.E. Project: The Who-What-Where-When
[[File:--Image-photo 1054.jpg-thumb--.jpg|thumb|left|Anna Ferguson]]
*Enrique Diaz is a Chilean native residing in northern California. He is in his second year at HSU studying Environmental Engineering and Spanish Education. He and his wife Brianna live in McKinleyville and she also attends HSU and is in her second year. Enrique is looking forward to building a greenhouse out of 1x2' and the simple square connection pieces. Enrique traveled to San Cristóbol de las Casas with his wife and three cats for the 'Parras in Chiapas' Program where they have had the opportunity to visit the surrounding areas as well as Guatemala with some other students from HSU, and enjoyed it completely.
===Background of Project===Team A.S.E., Anna-Shane-Enrique, has been commissioned by Otros Mundos to build a Windbelt. Based off of Shawn Frayne’s design dubbed the Humdinger Windbelt<ref>[http://www.humdingerwind.com/ Humdinger] - Windbelt technology uses a phenomenon called aeroelastic flutter, inspired by the Tacoma Bridge disaster of 1940(http://www.youtube.com/watch?v=j-zczJXSxnw). Invented by Shawn Frayne, the windbelt is the world's first small scale, turbine free, wind generator. Wind turbines are difficult to scale down in size; The components are expensive and encounter friction as their size decreases. Frayne's study focused on the wind vibrations that caused the failure of the Tacoma bridge, to provide clean, cheap energy to developing countries. During Shawn's work in Haiti he witnessed firsthand the need for small amounts of electricity to power simple lights, radios and even to charge cell phones when a socked is simply unavailable. The windbelt is Shawn's solution to this problem. Although the windbelt was originally designed to solve lighting problems of third world countries, the device has many applications. An array of windbelts could generate enough power to fuel a laptop, television, or a house. The windbelt pulls energy from the wind with the use of a tensioned membrane and the phenomenon known as "Aeroelastic Flutter". As wind hits the windbelt, the tensioned membrane captures the flutter of the wind. To turn the oscillations of the wind into electricity the windbelt uses of new type of linear generators. This technology comes in a variety of scales, from small handheld windbelts, to windcell panels that can generate megawatts of energy.</ref>, we will be creating a working, low cost, and small device to power a LED, with the hope to create ones that can be used in the field to power small lights, radios and possibly a cell phone or even a laptop. Our team will be creating multiple Windbelts of different design in order to design and create the best possible working Windbelt for use here in Chiapas and around the world! Currently, we have begun construction of a Windbelt designed by USD’s D-Lab based off of Shawn’s 'Humdinger'. The D-Lab design is made of a PVC body instead of wood with little other alterations to the Humdinger design. Currently, our prototype creates adequate electricity to power a light emitting diode (LED).
A Windbelt works off of something known as aeroelastic flutter, or the vibration of a membrane pulled taught between two points. This phenomenon was first witnessed when the <ref>[http://wwwezproxy.youtubehumboldt.edu/login?url=http://search.ebscohost.com.ezproxy.humboldt.edu/watchlogin.aspx?vdirect=jtrue&db=afh&AN=28226705&site=ehost-zczJXSxnw/ Tacoma Narrows Bridge was destroyed live| Journal Source] - The article explains aeroelastic flutter, which is a phenomenon that can be harnessed to produce electrical current. Shawn Frayne's windbelt, has a flat membrane tightly stretched between two poles that shakes in 1940 the wind, just like the Tacoma bridge did before it collapsed. Aeroelastic flutter can be viewed as the iris shape produced by high windsmembrane of the windbelt as the wind hits it.]
The flutter of the membrane, in this case Mylar coated taffeta, creates an iris of motion that is used to oscillate magnets in between magnetic wire coils in order to create a charge. This relatively small amount of energy can hopefully power lights in poor countries with little or no cost to the household. Originally designed by Shawn Frayne to power lights in rural areas of Haiti, the Windbelt design is now being considered to power small sensors in large buildings air ducts in order to regulate the temperature of the building without the use of batteries that will need to be replaced. Currently, the Windbelt technology is new and not widely used. We hope that the Windbelt will become a more feasible generator in the next couple of years after the technology becomes wider known and is augmented to function with greater efficiency. Our hope is that a series of Windbelts can someday be used in unison to power larger things like computers and to charge larger batteries like that of a car or possibly a defibrillator for field medics.

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