A Controllable Twin- Fluid Internally Mixed Swirl Atomizer
Abhijit Kushari and Sanjeev Pandey
Affiliation: Indian Institute of Technology, Kanpur - 208016, India.
The atomizer serves as an energy conversion mechanism to convert a volume of the liquid into a multiplicity of small droplets and then ejects these droplets so as to produce a high ratio of surface to mass in the liquid phase and thereby achieve high rates of mixing and evaporation. For the current needs, a compact configuration arrangement is needed to meet the design requirements of small volume and high maintenance availability. As compared with the traditional design, the new atomizer designs should possess better energy conversion efficiency (from pressure to kinetic energy). The technique of combining two or more principles has well served in the field of atomization in the past. The drawbacks of one type of atomizer can be overcome by combining it with other types of atomizer, in what is generally referred to as a “hybrid atomizer”. The atomizer discussed in this paper combines the principles of twin-fluid internally mixed atomizers and conventional pressure swirl atomizers to produce a spray the characteristics of which can be controlled over a wide range of operating conditions.
Keywords: Atomization, hybrid atomizers, controllable atomizer, twin-fluid atomizer, internally mixed atomizer, swirl atomizer
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