Of all the renewable energy sources currently being developed and promoted, sun-driven wind power has been dominant. Although renewables still only account for 20% of global electricity production, and an even smaller portion of total energy consumption, and with most renewable energy coming from long-established hydroelectric plants, wind power remains the front-runner when it comes to the latest technologies.
Wind power is considered more cost-effective and viable than other green alternatives, and is readily available since the wind blows just about everywhere. Still, there are issues with wind power, dependent as it is on wind speed. Wind speed, of course, does not parallel energy demand, and so excess generation capacity must be built which adds to costs. In addition, traditional wind technology requires wind farms covering large areas on land or in the sea, with associated infrastructure, all of which is both costly and controversial.
But now there is another source of wind power, offering all of the benefits of the original but without the drawbacks. And, like traditional wind power, it too is driven by the sun. However, instead of the normal process, where the sun heats up large sections of the atmosphere, forming the massive air currents that we see as wind, this new approach turns the sun's atmospheric heat energy into wind on a highly localized and controllable basis.
Solar Wind Energy seeks to mimic the sun, creating wind-on-demand by adding finely-sprayed water to hot dry desert air in a very large enclosed space. The result is a high-volume continuous downdraft that can reach speeds exceeding 50 miles per hour even on a calm windless day. It's a case of heat energy being turned directly into the energy of motion, just as the sun does with the atmosphere but in a perfectly controlled way. The moving air is then used to run turbines that turn out a dependable flow of electricity. Even after considering the costs involved in recycling and pumping the water, and the variability of air temperature and humidity, the process is seen as being more cost effective than other alternatives, and without the limitations of weather that affect traditional solar and wind based systems.
For information on Solar Wind Energy visit www.cleanwindenergytower.com
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