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The paddle wheel is a device for converting between rotary motion of a shaft and linear motion of a fluid. In the linear-to-rotary direction, it is placed in a fluid stream to convert the linear motion of the fluid into rotation of the wheel. Such a rotation can be used as a source of power, or as an indication of the speed of flow.
The effectiveness of a surface aerator is limited to a small area as they are unable to add circulation or oxygen to much more than a 3-metre radius. This circulation and oxygenating is then limited to the uppermost portion of the water column, often leaving the bottom portions unaffected. Low speed surface aerators can also be installed on floats.
Propeller walk (also known as propeller effect, wheeling effect, paddle wheel effect, asymmetric thrust, asymmetric blade effect, transverse thrust, prop walk) is the term for a propeller's tendency to rotate about a vertical axis (also known as yaw motion). The rotation is in addition to the forward or backward acceleration.
The paddle steamer Piemonte (1904) operates on Lake Maggiore, and sister paddle steamers Patria (1926) and Concordia (1926) operate on Lake Como. Former paddle steamers Italia (1909) and Giuseppe Zanardelli (1903) operate on Lake Garda; their steam engines, unlike in the ships that sail on lakes Como and Maggiore, were replaced with diesel ...
The water ladder was built as an alternative to the paddle wheel to get around the problem that to lift water to a greater height, a bigger wheel is needed. [1] Despite the emergence of new pumps that operate on other principles, the water ladder remains an important tool as some of its other benefits are that they can be built and repaired easily at a very low cost.
A typical river paddle steamer from the 1850s. Fall Line's steamer Providence, launched 1866 Finlandia Queen, a paddle-wheel ship from 1990s in Tampere, Finland [1]. A paddle steamer is a steamship or steamboat powered by a steam engine driving paddle wheels to propel the craft through the water.
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Raceway pond used for the cultivation of microalgae. The water is kept in constant motion with a powered paddle wheel. A raceway pond is a shallow artificial pond used in the cultivation of algae. [1] [2] The pond is divided into a rectangular grid, with each rectangle containing one channel in the shape of an oval, like an automotive raceway ...
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