Paddle wheel

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Dry raceway pond for algae production, showing paddlewheel.

A paddle wheel is a form of waterwheel or impeller in which a number of paddles are set around the periphery of the wheel. It has several usages; some of which are:

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Paddle wheels are transducers, i.e. a device capable of transforming one form of energy into another form of the energy. A water mill takes energy from flowing water and transforms it into rotary energy, which can be further transformed into electricity, (etc.…) with the incorporation of another transducer such as a generator or alternator. A paddle wheel for propulsion changes rotary energy into a fluid thrust (generally).

Paddle wheels are an ancient invention, which are utilized for eons and still today in a wide range of industrial and agriculture applications.

A paddle wheel is a device having a plurality of paddles attached to a wheel or a plurality of wheels having an endless line (belt, chain, rope etc...) entrained around the wheels and further having a plurality of “paddles” attached incrementally about the endless line.

A waterwheel is an application of a paddle wheel. Some other applications of paddle wheels are sensors, aerators, mixers, and vessel propulsion (generally related to boats or ships and amphibious devices, but is appearing to also have application in aviation. (Vertical take off landing)) The steam boat had the paddle wheel because it is faster and stronger carrying people or goods to other places.

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