Effect of the two-phase hybrid mode of effervescent atomizer on the atomization characteristics

Author:

Liu Liansheng1,Pei Na1,Zhao Ruolin1,Tian Liang1,Duan Runze1,Zhang Yan2,Li Menghan1,Zhang Xiaoyu1

Affiliation:

1. School of energy and environmental engineering, Hebei University of Technology , Tianjin , 300401 , China

2. School of software, Nanyang Institute of Technology , Nanyang , 473004 , China

Abstract

Abstract In this paper, the atomization characteristics of an effervescent atomizer were investigated. The velocity, Sauter Mean Diameter (SMD) and atomization cone angle of the droplets were measured using the Phase Doppler Analyzer (PDA) to discuss the effect of different design parameters. The results showed that the atomization was unstable at a small Gas-Liquid Rate (GLR) while the atomization proved gradually by increasing the GLR. The optimal atomization region was at a GLR=0.1. In the atomization process, there existed a typical velocity distribution for the swirl atomizer. The design parameters of atomizer provided a great influence on the Sauter Mean Diameter (SMD) and atomization cone angle. The experiment results showed that some droplets had negative velocities.

Publisher

Walter de Gruyter GmbH

Subject

General Physics and Astronomy

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