> 9000
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the wind tunnel
wind was first harnessed in 3500 BC
Wind energy has been used by humans for centuries, dating back to ancient civilizations who used windmills to grind grain and pump water. The earliest recorded use of wind energy for power dates back to the 1st century AD in Persia and China. However, modern wind turbines for generating electricity were developed in the late 19th and early 20th centuries.
Egyptians were some of the first people to use sails to capture the wind's energy.
The quantity of wind energy refers to the amount of energy produced by harnessing wind power through wind turbines. This quantity can vary depending on factors such as wind speed, turbine efficiency, and the number of turbines installed in a given area. Global wind energy capacity is increasing as more wind farms are being developed to capture this renewable energy source.
Betz' Law is related to wind turbines. Developed by German physicist Albert Betz, it simply states that the maximum energy that can be captured by any wind turbine is 59.3 percent of the kinetic energy of the wind.
The early use of wind for energy dates back to ancient times when it was used to power sailboats and windmills. In terms of modern wind power generation, it was further developed and utilized in the late 19th and early 20th centuries by engineers and scientists like Charles F. Brush and Poul la Cour.
Some of the various types of energy that are considered reliable sources in more developed countries are wind power, nuclear power and hyroelectric power.
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