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1篇 您的检索式:作者名="M. MOHASAN"
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1Effects of nozzle and fluid properties on the drop formation dynamics in a drop-on-demand inkjet printing显示文摘The droplet formation dynamics of a Newtonian liquid in a drop-on-demand (DOD) inkjet process is numerically investigated by using a volume-of-fluid (VOF) method. We focus on the nozzle geometry, wettability of the interior surface, and the fluid properties to achieve the stable droplet formation with higher velocity. It is found that a nozzle with contracting angle of 45° generates the most stable and fastest single droplet, which is beneficial for the enhanced printing quality and high-throughput printing rate. For this nozzle with the optimal geometry, we systematically change the wettability of the interior surface, i.e., different contact angles. As the contact angle increases, pinch-off time increases and the droplet speed reduces. Finally, fluids with different properties are investigated to identify the printability range.A. B. AQEEL M. MOHASAN Pengyu LV Yantao YANG Huiling DUAN 2019Applied Mathematics and Mechanics(English Edition)2019,40,9:1
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