Wind Turbine Tower Design Gives 50 Savings on Steel Expenses

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Technology Articles | October 7, 2010

Texas-basedGreenward Technologies develops wind turbine technology that increases windefficiency, minimize steel component necessities, and increase stability.�



Therenewable energy company uses a patent pending �ISO-e� tower technology that canlessen the tower�s steel component necessities by as much as 50%.� The reduction would result to a considerabledecrease in the manufacturing cost of towers.�The new technology developed can also make the turbine stronger and moreresistant to buckling malfunction.

The�ISO-e� technology of Greenward Technologies is said to be based on theprinciple that a pressurized cylinder can endure much higher bending loads thanits unpressurized counterpart.� The logicbehind the principle is that the pressure steadies the thin steel shell bysustaining its shape, and countering the inward elastic instability thathappens before buckling failure occurs.�

The designdeveloped by Greenward Technologies reduces the need for steel componentthrough creating the tower�s thin inner shell.�The steel shell is mixed with a blend of concrete and polymer that issix times as thick as pressurized steel.

Accordingto Greenward Technologies, the design is made by going through a method whichdelivers electricity between the shell and the jacket, and this method is saidto improve the tower�s resistance to buckling.�The company�s new design weighs almost as much as an all-steeltower.� The new design also minimizesradiated noise levels and diminishes tower sway.

GreenwardTechnologies is also responsible for developing the Wind Turbine Quad Arrays technologyand the Wake Convergence and Swirl Cancellation Hypothesis.� The Wind Turbine Quad Arrays technology is aviable and cost-effective alternative larger wind turbines.� The technology can enable �crane-less�service strategy and allows �high-density wind farming�.� Meanwhile, the Wake Convergence and SwirlCancellation Hypothesis is a facet of the Quad Array technology which theorizesthat if the wake of the four counter-rotating wind turbines can be united, thenthe wake swirls should cancel each other.�The advantage of the principle is the improvement of energy productionper unit of wind resource area.� It alsoabolishes accelerated fatigue damage to turbines which work in turbulent wakes.

Greenward Technologies aims to find tower manufacturers thatwill license its technology.� GreenwardTechnologies is a company that develops technology and products for renewableenergy space.� The company aims to turnemerging technologies from concept to reality through human and financialresources, designing, building, and testing prototypes.� The company then commercializes these bymanufacturing spinouts or licensing agreements.�Greenward Technologies� services include research involving emergingrenewable technologies, accelerated product development, technology licensingto manufacturing partnersFree Reprint Articles, and Due Diligence services.

Thecompany�s mission is to make contributions towards advancing renewable energytechnologies while supplying careers for employees as �active participants inthe movement towards global sustainability�.

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