电流体力学
喷嘴
喷射(流体)
分手
配体锥角
光学
材料科学
机械
基质(水族馆)
物理
电场
复合材料
地质学
热力学
量子力学
海洋学
锥面
作者
Jaehong Park,Ji Woon Park,Ali Mohamadi Nasrabadi,Jungho Hwang
摘要
Several efforts have been made for the prediction of jet diameter in electrohydrodynamic jet printing; however, not much attention has been paid to the jet length, which is the distance from the cone apex to the location where the jet is unstable and is broken into atomized droplets. In this study, we measured both the cone length and the jet length using a high-speed camera, and measured the line pattern width with an optical microscope to investigate the effects of cone length and jet length on the pattern quality. Measurements were carried out with variations in nozzle diameter, flow rate, and applied voltage. The pattern width was theoretically predicted for the case when the nozzle-to-substrate distance was more than the cone length, and smaller than the summation of the cone and jet lengths (which is the case when there is no jet breakup).
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