The hidden trade-off that limits how much power we can harvest from wind
In short: Why can't we simply extract every bit of energy from the wind? This video explores a fundamental physics paradox: as you take more energy out, you change the very source you rely on.
The core issue is a kinetic energy trade-off. When a windmill extracts kinetic energy from moving air, it causes the wind to slow down. Because the power available in the wind depends on its speed, extracting too much energy reduces the amount of wind left to be captured by subsequent turbines.
This creates a 'sweet spot' problem for engineers and physicists. To maximize total energy output over an area, one must balance how much energy is taken from each individual gust against maintaining enough wind speed to keep the system running efficiently.
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Sources
- Summary by Intellect · source: Windmills Are NOT Like Dams
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