Free-running blade mean-pole wind-power generator of contraction and enlargement nozzle
A wind power generation device and a technology for scaling nozzles, which are applied to wind turbine components, wind energy power generation, wind turbines, etc., can solve problems such as the inability to guarantee the optimal working conditions of wind turbine blades, and improve wind energy utilization and high efficiency. , the effect of high power
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[0023] Example 1
[0024] In this way, from the design wind speed and pitch circle radius, different α can be obtained 1 The fan speed at the highest ideal efficiency, the geometric angle of the moving blades, etc., the ideal wind energy utilization rate is much higher than the traditional limit of 59.3%. When considering the viscous flow and pressure rise in the rotor blade, β 2 Usually with β 1 No, that is, the moving blades are not purely impulsive.
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