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Flotation (other)
Flotation (also spelled floatation) involves phenomena related to the relative buoyancy of objects. The term may also refer to: *Flotation (archaeology), a method for recovering very small artefacts from excavated sediments *Flotation (shares), an initial public offering of stocks or shares in a company *Floating exchange rate – changing policy to make a fixed currency have a floating rate may be called 'flotation'. *Flotation, any material added to the hull (watercraft), hull of a watercraft to keep the hull afloat *Flotation, the ability (as of a tire or snowshoes) to stay on the surface of soft ground or snow *"Floatation", a 1990 electronic music song by The Grid *Flotation process, in process engineering, a method for the separation of mixtures **Dissolved air flotation (DAF), a water treatment process **Froth flotation, a process for separating hydrophobic from hydrophilic materials **Induced gas flotation, a water treatment process that clarifies wastewaters (or other wa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Buoyancy
Buoyancy (), or upthrust, is an upward force exerted by a fluid that opposes the weight of a partially or fully immersed object. In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid. Thus the pressure at the bottom of a column of fluid is greater than at the top of the column. Similarly, the pressure at the bottom of an object submerged in a fluid is greater than at the top of the object. The pressure difference results in a net upward force on the object. The magnitude of the force is proportional to the pressure difference, and (as explained by Archimedes' principle) is equivalent to the weight of the fluid that would otherwise occupy the submerged volume of the object, i.e. the displaced fluid. For this reason, an object whose average density is greater than that of the fluid in which it is submerged tends to sink. If the object is less dense than the liquid, the force can keep the object afloat. This can occur only in a no ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
