[Terminology] Wetting phenomena
time:2015-07-20 21:41:46,count:0

 

[Terminology] Wetting phenomena
Wetting phenomena include three classes: (1), adhesion; (2), immersion; (3), spreading.
 
(1), adhesion
 
The process which a solid, previously in contact with a gaseous phase, is brought into contact with a liquid phase.
 
Typical adhesion wetting phenomena, such as: when it rains, clothes were wet.
 
(2), immersion
 
The process which a solid is immersed into a liquid.
 
Typical immersion wetting phenomena, such as: the clothes washing process.
 
(3), spreading
 
The process which a liquid spontaneously forms a well-distributed thin liquid layer on a solid.
 
Typical spreading phenomena, such as: photographic film production process.
 
In fact, a system which spreading can spontaneously form, adhesion and immersion wetting can occur inevitably.

 

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