Tuesday, August 21, 2007

Solar Tower


A company in Australia is planning a mammoth project to produce energy using what they call a solar tower (also known as a solar chimney). The idea is to enclose a great circle of desert with a covering of glass/plastic. When the air between the ground and the covering is heated by the sun, an airflow forms toward a central tower. As the air is drawn through the tower (which is planned to be 1000 meters, over 3000 feet, tall) it passes through turbines at ground level to produce electricity. Read more about it at the EnviroMission website.

There's a lot more general information (history, workings and comparisons to other technologies) at wikipedia.

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