DIY Green Energy For Homes
 

Vertical Axis Wind Turbines

Wind turbines are rotary engines that extract energy from moving wind - basically convert kinetic energy to mechanical energy.

The simplest of these turbines is one with a single moving part and a rotor connection, which is simply a shaft with several blades attached to it.

The strength of wind acts on the blades, which in turn rotate and as a result, pass the kinetic energy to the rotor assembly. Windmills are one of the early wind turbine examples.

Vertical axis turbines are a type of wind turbines whose main propeller shaft is aligned vertically. The main components of the turbine are located at the base. The  gearboxes and generators are fixed close to the ground. This is an advantage because it enables the components’ service and repair to be done easily.

Since this type of turbines is aligned  vertically, there is no need to point them toward the wind as wind waves can easily access the turbine in a vertical position. Also, vertical alignment suits variable wind sites.

Some major early designs of vertical axis wind turbines include the pulsatory torque, which is built to produce energy during and after each revolution of the blades. The blades are designed in a way that they appear to have huge bending parts. Modern designs have adapted the use of a helical spin of the vanes that resemble water turbines by Gorlov.

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The function of the blades is still similar as with the new sideway tipped ones, composed of a perpendicular axis for streamlining in the wind. Generally, all types of turbines with a shape similar to this vertical axis wind turbine are referred to as Transverse axis wind turbines. Turbines under this class include: the Darrieus patent, Savonius rotor, Darrieus rotors and other cyclo-turbines.

Wind turbines have received both positive and negative reviews as well. While wind energy is generally clean, some in the industry claim that it is associated with noise pollution, a fact that quickly puts it among polluting sources. In addition, turbines take up space and basically compete with building structures for space.

Regular maintenance is also required for wind turbines, which increases running costs and a big turn-off for those considering it as an alternative source for home power needs. Having said that, some people choose wind energy for its numerous advantages. Firstly, because of their smaller size, vertical axis turbines do not take up much space, which makes them a perfect alternative for city dwellers.

Vertical turbines emit less noise than their horizontal counterparts. They also provide less danger to birds and wildlife in general since they are well covered and raised above the ground. Their low profile provides a better look for their overall value, which makes them appealing to potential customers who may be holding back because they do not want to make their environment ugly.

It is a lot easier to get permission for a vertical axis diy wind turbine installation since it does not take up a lot of space. Whichever wind turbine you may want to choose, it is important to be informed about it.

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