عنوان انگلیسی: Wind energy عنوان فارسی: انرژی بادی تعداد صفحات متن اصلی: 39 صفحه تعداد صفحات ترجمه: 72 صفحه W i nd is air in motion and it der ives ener gy fr om solar r adiation. About 2% of the total solar flux that r eaches the ear th’s sur face is tr ansfor med into wind ener gy due to uneven heating of the atmospher e. Dur ing daytime, the air over the land mass heats up faster than the air over the oceans. Hot air expands and r ises while cool air fr om oceans r ushes to fill the space, cr eating local winds. At night the pr ocess is r ever sed as the air cools mor e r apidly over land than water over off-shor e land, causing br eeze, as shown in Figur e 1.1. On a global scale low pr essur e exists near the Equator due to gr eater heating, causing winds t ...
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