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 convection - Definition 

Convection (4228 bytes)
3: ...conduction]] and [[thermal radiation|radiation]]. Convection occurs in [[Earth atmosphere|atmosphere]]s, [[oce...
5: ==Free and Forced Convection==
7: ...stinction is made between ''free'' and ''forced'' convection.
9: ''[[Free convection]]'' is convection in which motion of the fluid arises solely due to...
11: [[Image:Convection cells.png]]

Convection zone (190 bytes)
1: ...re in [[convection current]]s. (A good example of convection current is a [[lava lamp]].)

Convection oven (563 bytes)
1: ...in industrial and commercial applications. With a convection oven there will be about a 25 to 30% decrease in ...

Convection cell (2846 bytes)
1: A '''convection cell''' is a phenomenon of [[fluid dynamics]] whi...
3: ...d the moving body of liquid is referred to as a ''convection cell''.
9: ...rocess either analogous to or directly related to convection (the connection is not yet clear).
11: The size of convection cells are largely determined by the fluid's prope...
13: [[image:granules2.jpg|right|thumb|Convection cells on the Sun with North America superimposed]...

Rayleigh number (1661 bytes)
1: ...alue, heat transfer is primarily in the form of [[convection]]. The Rayleigh number is defined as the product ...
3: For [[free convection]] near a vertical wall, this number is
18: ...e low value for the Earth's mantle indicates that convection occurs throughout the mantle as a whole, and not ...

Rijke tube (686 bytes)
8: ...k cold air up the bottom of the tube, keeping the convection current going. This process sets up a standing w...

Nusselt number (750 bytes)
1: ... to measure the enhancement of heat transfer when convection takes place.
9: *''h'' = [[convection]] heat transfer coefficient

Bénard cells (3101 bytes)
1: ...physicist, conducted in [[1900]]. They are the [[convection]] cells that appear spontaneously in a liquid lay...
10: == Far from equilibrium: convection and turbulence ==
11: [[Image:Convection cells.png|frame|Convection cells]]
13: ... which something dramatic happens in the liquid : convection cells will appear. The microscopic random moveme...
19: The temperature at which convection appears is thus a bifurcation point: hence, the s...

Supercell (854 bytes)
3: ... creating powerful [[convection]] currents. This convection drives the storm and generates a [[mesocyclone]]...

Transport phenomena (1509 bytes)
1: ...r. The three common examples are [[diffusion]], [[convection]] and [[radiation]].
18: ...ng convection in heat transfer can be appplied to convection in mass transfer.

Prandtl number (884 bytes)
15: ...y, [[conduction]] is very effective compared to [[convection]]: thermal diffusivity is dominant.
16: For engine oil, convection is very effective in transferring [[energy]] from...

Brazil nut effect (2035 bytes)
4: ...p, the large particle will stay there because the convection currents are too narrow to sweep it down along th...

Convective overturn (3234 bytes)
7: ...s which reenergizes the shock wave. The ''entropy convection'' model has matter falling inward from above the ...
9: ...ibit convective overturn in that they rely on a [[convection]] mechanism to re-energize the stalled shock wave...
11: ...the supernova problem, and strengthen the idea of convection being an important factor in supernova explosions...
14: ....gov/workshops/nusns/2003workshop/Hix.ppt current convection models and problems]

Temperature inversion (2669 bytes)
7: ...that leads to cloud building, thermals, and other convection related atmospheric behaviour.
11: ... mass moving over a colder one can "shut off" the convection effects, keeping the cooler air mass trapped belo...
15: With the disruption of normal convection, a number of phenomena are associated with a temp...

Granule (solar physics) (357 bytes)
1: Granules are caused by convection currents of gas. The rising part of the granules...

Mechanical ventilation (disambiguation) (398 bytes)
5: ...ed with the [[natural ventilation]] provided by [[convection]] and [[wind]]s.

Salamander heater (483 bytes)
1: ...' is any of a variety of portable forced-air or [[convection]] [[heater]]s used in ventilated areas for worksi...

Intergalactic space (540 bytes)
1: ...steller space is by [[radiation]] as opposed to [[convection]] or [[conduction]].

Heat transmission (438 bytes)
3: ...nation of [[heat transfer]] processes is engaged: convection, radiation and conduction (through the body).

Hydrothermal circulation (1729 bytes)
7: ...l to the hot water vent. Hydrothermal circulating convection cells exist any place an anomalous source of heat...
10: *[[Convection]]

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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "convection".