Windmills Power – New Alternative Energy Source

Have you ever been to Netherlands? It’s one of the most renowned countries for its windmills. Maybe you’ve seen windmills as Netherlands’ landmarks in books and travel magazine. The Netherlands’ government uses those windmills power to manage floodwaters in lower area in the country. It’s very urgent to use them as windpumps because Netherlands lies below sea level. (more…)

Vertical Axis Wind Turbines – A Promising Alternative

You have seen a windmill in most typical Holland postcards. It looks similar to airplane propellers but instead of stirring the wind to create a powerful thrust to move the plane, it does the reverse. A typical wind turbine waits for the wind blow in order to work. So depending on the wind direction the propeller must turn to face the wind flow perpendicularly. Usually, a yaw or a flipper that looks like an airplane’s tail is used to guide the wind blades to face the wind. (more…)