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What is the differeance between upwind and downwind turbines?

An Upwind turbine faces into the wind with the turbine blades in front of the Nacelle* while a Downwind turbine has blades to the rear of the Nacelle and faces away from the wind. Up-wind turbines are by far and away the most common, but down-wind turbines (usually two-bladed) are also used in certain situations.In very strong winds the turbine blades of a wind turbine generator flex under enormous forces. With a down-wind turbine the blades flex AWAY from the mast which prevents them from crashing into it. Up-wind turbines need to be designed so that the blades are positioned at a good distance from the mast, and they must also be engineered to be inflexible (which costs more money). In addition, when the blades of a down-wind turbine bend it reduces the stresses on the mast as wind energy is lost in bending the blades. Finally, down-wind turbines do not need a tail (or motorised yaw mechanism) to align them with wind as the turbine blades perform this task (although this can also be a serious disadvantage in large down-wind turbines if wires carrying huge currents are getting twisted).Down-wind turbines on the other hand are generally noisier (additional aerodynamic noise), and the blades are subject to more forces than those of up-wind turbines. Another serious disadvantage of a down-wind turbine is wind shadow behind the mast causing a drop in power each time a blade passed behind the mast.*Nacelle = is located at the top of the mast and contains the rotor and generator, and sometimes a gearbox. Basically it is everything except the turbine blades, tail, and mast.


How do you convert winenergy into mechanical energy?

To convert wind energy into mechanical energy, a wind turbine is used. As wind passes over the turbine blades, it causes them to rotate, converting the kinetic energy of the wind into rotational mechanical energy. This mechanical energy can then be harnessed to drive machinery or generate electricity, depending on the system's design. The efficiency of this conversion depends on factors like turbine design, wind speed, and the specific application of the mechanical energy.


What are the two types of brakes on a wind turbine?

The controller and mechanical brakes.


Do yaw bearings teeth point outward or indward on a wind turbine?

yes


What would be one easy way to increase the amount of torque a wind turbine produces?

One easy way to increase the torque produced by a wind turbine is to increase the rotor diameter, which allows the turbine to capture more wind energy. A larger rotor sweeps a greater area, resulting in higher wind velocity and increased torque at lower wind speeds. Additionally, optimizing the blade design for improved aerodynamics can enhance lift and reduce drag, further increasing torque output.