Bubble Eggs for Android
In the case of gas / liquid dispersions, when the bubbles are separated by a thick liquid film and are spherical, the foam is referred to as a spherical foam, as if the internal phase were a gaseous emulsion. But usually the volume fraction of the gas as the dispersed phase is very high and the gas is separated by the liquid film which is netted. Each bubble surrounded by the liquid film is deformed into a polyhedron in order to keep the pressure balance. This kind of foam is called polyhedral foam . Polyhedral foams are commonly referred to as foams in the gas / liquid system and can be spontaneously formed from the spheres by sufficient drainage. In order to maintain mechanical stability, always intersect in a certain way, for example, when the three bubbles intersect at 120 ° when the most stable.
Bubble is a large flow of strong and low density gas separated by liquid separation system, a large gas - liquid interface, is thermodynamically unstable system, it will automatically damage. The main reasons for the automatic destruction of the foam are liquid film discharge, membrane rupture and gas diffusion.
It is difficult to form a stable foam only by a pure liquid. A third substance, usually a surface active substance, is usually added to form a foam. These substances having better foaming properties are called foaming agents, alkyl Sodium sulphate and sodium alkyl benzene sulphonate are very common foaming agents. Sometimes need to add foam stabilizer foam has been formed more stable, lauryl diethanolamine is an example.
On the contrary, many industries often because of the production of foam and inconvenience, then you need to join the defoamer to change the state of the system surface, destruction or inhibition of foam. It is usually low surface tension, less soluble substances, such as C5 ~ C6 alcohols or ethers, tributyl phosphate, organic silicon and so on. The surface tension of the defoamer is lower than the surface tension of the bubble liquid film, and it is easy to take the original foaming agent on the surface of the bubble liquid film, and the short chain of its own can not form a strong adsorption film, so the cracks, Leading to foam rupture, play the role of defoaming.
How to play:
* Select the eggs to be pierced by surprise
* Continue to surprise the egg until it has cracks
* Surprise egg rupture, get unexpected surprises
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