2 Demi Star is a collision-type separation device that aims to collect and remove impurities contained in gases, such as droplets, micromists, and dust of solid fine particles due to droplets, etc. by special metal wires. The collection function by Demi Star generally depends on the following action. １．Inertial collision 2. Diffusion by Brown motion of particles 3. Only 4. Gravitational deposition 5. Static deposition or adsorption 6. Heat deposition or adsorption The mist is collected and removed with high efficiency by these combined effects. However, 4. 5． 6． The action is usually negligible except in very small and special cases. Therefore, the collection function is mainly 1. 2． 3． It is considered to be an effect. If both mist diameter and airflow velocity are large, diffusion is dominant if both inertial collisions are small, and blocking is effective in the intermediate region between the two. If you explain the collection effect in the figure, it will be as follows. Fluid 1. Gas generated from the gas 2. 3. Rising the tower while containing liquid particles. Demi Star 5. It will collide with the line. The liquid particles contained at that time collide with the surface of the line article and fall as a large droplet 4. due to the "wet" of the line article and the surface tension of the liquid and the capillary phenomenon. Gas 6, separated from liquid particles, passes and rises without the interference of the Demi Star. １．Fluid 2. Rising gas 3. Airflow containing liquid particles 4. Drop droplets 5. Demi Star 6. Pure gas emitter action
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