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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.
Jet aerators are easily configured into any basin geometry including circular, rectangular, looped reactors and sloped wall basins. Jet aerators are ideally suited for deep tank processes. The jet oxidation ditch is an example of technology innovation where the combination of a deeper basin design, bottom to top mixing and conservation of ...
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.
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.
When an aerator is added to the faucet (or fluid stream), there is a region of high pressure created behind the aerator. Because of the higher pressure behind the aerator and the low pressure in front of it (outside the faucet), due to Bernoulli's principle there is an increase in velocity of the fluid flow.
Philippines: Assault rifle: 5.56×45mm NATO: PVAR: Unknown: A variant of the Armalite AR-15 and M16 rifle, using a Pneumatic Valve and Rod system. Used by the Special Operations Command. Night Fighting Weapons System Philippines: Assault rifle: 5.56×45mm: NFWS: unknown: Introduced in 2004, developed by the PMC based on M16A1 rifle after ...
An aerator is a mechanical device used for aeration, or mixing air with another substance, such as water or soil. The word aerator may also refer to: Faucet aerator; Floating surface aerator, used in wastewater treatment; Lawn aerator; Surface or subsurface aerator, used in water aeration; Wine aerator