where ° is the tip speed ratio, a r is the solidity and ß = rj R. Over the outboard half of the blade, which produces the bulk of the power, the local speed ratio, will normally be large enough to enable the denominator to be approximated as giving:

where N is the number of blades. After rearrangement, this gives

Renewable Energy Eco Friendly

Renewable Energy Eco Friendly

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable.

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