文章摘要
刘洪哲,李松,周勇,鄂晓征,徐国强.柔性基底喷墨打印墨滴数值模拟与实验[J].包装工程,2018,39(5):173-178.
LIU Hong-zhe,LI Song,ZHOU Yong,E Xiao-zheng,XU Guo-qiang.Numerical Simulation and Experiment of Inkjet Printing Droplet on Flexible Substrate[J].Packaging Engineering,2018,39(5):173-178.
柔性基底喷墨打印墨滴数值模拟与实验
Numerical Simulation and Experiment of Inkjet Printing Droplet on Flexible Substrate
投稿时间:2017-08-31  修订日期:2018-03-10
DOI:10.19554/j.cnki.1001-3563.2018.05.033
中文关键词: 喷墨打印  墨滴成形  数值模拟  超高频天线
英文关键词: inkjet printing  droplet forming  numerical simulation  UHF antenna
基金项目:国家自然科学基金(51175394)
作者单位
刘洪哲 武汉理工大学武汉 430063 
李松 武汉理工大学武汉 430063 
周勇 武汉理工大学武汉 430063 
鄂晓征 武汉理工大学武汉 430063 
徐国强 昆山海斯电子有限公司苏州 215300 
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中文摘要:
      目的 研究喷墨过程中流体物性参数对喷墨质量的影响。方法 采用数值模拟方法,基于流体体积法建立仿真模型,以不同粘度和表面张力的流体为研究对象,通过分析墨滴形成及铺展过程的形态变化,探索流体的物性参数(粘度、表面张力)对于墨滴成形过程的影响,得出高质量喷墨印刷的流体物性参数范围,并在柔性基底上印刷UHF(超高频)天线来验证模拟结果的可靠性。结果 使用无量纲常数Z表征流体的可喷印性能,数值模拟结果表明表面张力为40 mN/m,粘度为10 Pa•s的墨水能达到良好的喷印状态。结论 通过实验观测墨水的喷射过程,与模拟结果对比具有较高的重合度,数值模拟结果可以较准确地预测墨水印刷质量,经测量可知印制天线满足使用要求。
英文摘要:
      The work aims to study the effects of physical parameters of the fluid on the inkjet quality during the inkjet process. Through the numerical simulation, a simulation model was established based on the method of volume of fluid. With the fluids of different viscosity and surface tensions as the study objects, the effects of the physical parameters (viscosity and surface tension) of the fluid on the ink droplet formation process based on the analysis of the ink droplet formation and morphologic change of the spreading process were studied. In such case, the range of physical parameters of the fluid for the high-quality inkjet printing was obtained, and a UHF (ultrahigh frequency) antenna was printed on the flexible substrate to verify the reliability of the simulation results. The fluid jet printing performance was expressed by the dimensionless constant Z. The numerical simulation results indicated that, the ink with good quality of jet printing was obtained, of which the surface tension was 40 mN/m and the viscosity was 10 Pa•s. Through the experimental observation of the ink jetting process, the measurement result is in high concordance with the simulation results. The numerical simulation results can predict the quality of ink printing with better accuracy. Based on the experiment, the printed antenna can meet operation requirements.
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