Spray Characteristics on the Electrostatic Rotating Bell Applicator
作者： Kyoung-Su Im* , Ming-Chia Lai , Suck-Ju Yoon
DOI: 10.1007/BF02982446
关键词:
摘要: The current trend in automotive finishing industry is to use more electrostatic rotating bell (ESRB) need space their higher transfer efficiency. flow physics related with the efficiency strongly influenced by operating parameters. In order improve high without compromising coating quality, a better understanding necessary ESRB application of metallic basecoat painting for automobile exterior. This paper presents results from experimental investigation spray apply water-borne painting. visualization, droplet size, and velocity measurements were conducted under conditions such as liquid rate, shaping airflow rotational speed, voltage setting. optical techniques used here microscopic light sheet visualization copper vapor laser, phase Doppler particle analyzer (PDPA) system. Water was paint surrogate simplicity. show that speed most important influencing parameter atomization processes. Liquid rate significantly influence structure. Based on process occurs ligament breakup mode, which one three modes atomizer. transport zone, droplets tend distribute according size larger drops outer periphery spray. addition, present study provide detailed information structure
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