Abstract
The spray analysis is a fundamental for many industrial applications. The knowledge of spray distribution, the spray geometry and structures is crucial. Recommended here is the method of simultaneously measuring the droplet size, spray geometry and impact droplet velocity. Referred here is the Interferometry particle sizing technique applied on a full cone nozzle with external feeding. The spray was examined in three stages: close to the nozzle exit, in 0.7m and 1.7m distance far from the nozzle exit and under pressure 1.3, 2.7 and 3.5 bar.
Highlights
Theatomization of liquids found its place in many industrial applications such as dye landing, lubrication, coating, injection, moisturizing, humidification, cooling, gas conditioning, and dust control
Before the spray nozzle can be used in particular industrial application, as a part of complex system, it needs to be analysed and tested for its spray characteristics
We used the vane less full cone nozzle. This geometry leads to narrow spray angle and fine droplet distribution
Summary
Theatomization of liquids found its place in many industrial applications such as dye landing, lubrication, coating, injection, moisturizing, humidification, cooling, gas conditioning, and dust control. Each application has its own specifications on working liquid, accurate flow rate, constant pressure and spray pattern. These conditions impose appropriate requirements on the spraying nozzle. We used the vane less full cone nozzle This geometry leads to narrow spray angle and fine droplet distribution. In this configuration the liquid enters the inner chamber and it is forced through an offset orifice into a swirl chamber. The degree of droplets atomization depends on their Weber number. This approach is common and general assumption of droplet breakup in every model. Experimental study is necessary to verify and improve the theoretical model and to determine boundary and initial conditions. [3]
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