Is there an equation for predicting when a stream breaks into droplets?

In summary, a stream break into droplet is a phenomenon where a stream of liquid breaks into smaller droplets due to surface tension and external forces. Factors such as surface tension, velocity, temperature, and viscosity can affect its formation. It has applications in various fields and can be controlled through the modification of these factors.
  • #1
leorex
2
0
I was just wondering, is there any equation which predicts when does a stream of liquid( e.g water, ethanol) break into droplets? i think it relates to the speed and diameter of the stream, probably also with diameter, but i cannot find any equations which governs the rule
 
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  • #2
google "rayleigh instability".
 

1. What is a stream break into droplet?

A stream break into droplet is a phenomenon that occurs when a stream of liquid, such as water, breaks into smaller droplets. It is caused by surface tension and can happen naturally or be induced by external forces.

2. How does a stream break into droplet happen?

A stream break into droplet happens when the surface tension of a liquid is overcome, causing the liquid to break into smaller droplets. This can be caused by external forces such as wind, or by changes in the liquid's properties, such as temperature or viscosity.

3. What factors affect the formation of a stream break into droplet?

The formation of a stream break into droplet can be affected by several factors, including the surface tension of the liquid, the velocity of the stream, and the presence of any external forces. Other factors such as the temperature and viscosity of the liquid can also play a role.

4. What are the applications of studying stream break into droplet?

Studying stream break into droplet can have various applications in fields such as fluid mechanics, material science, and engineering. It can help understand the behavior of liquids under different conditions and improve processes such as spray coating and inkjet printing.

5. Can stream break into droplet be controlled or manipulated?

Yes, stream break into droplet can be controlled and manipulated by altering the factors that affect its formation, such as surface tension and external forces. This can be done through the use of surfactants, electric fields, or other techniques to modify the properties of the liquid and control the formation of droplets.

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