Research on Thermal Inkjet Technology Based on CFD

Abstract:

In this paper, a thermal inkjet printing simulation model is established in the CFD simulation platform, and the influence of inkjet driver parameters and ink physical parameters on the printing process is studied by numerical simulation. The evaporation-condensation model is coupled with the VOF multiphase flow model in Fluent software to establish a thermal inkjet printing process simulation model. Based on the orthogonal test method, we investigate the influence of fluid physical parameters (ink viscosity, surface tension) and inkjet driver parameters (heater temperature value) on droplet formation by changing the physical parameters of the material and the boundary conditions of the model. Through the comparison of the results, exploring the adjustment rules of thermal inkjet technology and obtaining the optimal combination of material and process parameters for high-quality ink drop formation.

• Periodical: Materials Science Forum (Volume 1032)
• Pages: 101-107
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.1032.101
• Online since: May 2021
• Authors: Yi Fei Wang*, Zhong De Shan, Hao Qin Yang, Yong Xin Ren, Ling Han Meng
• Keywords: Numerical Simulation, Orthogonal Test, Thermal Inkjet

References

[1] Zhan Hongwu, Xu Fang, Guo Weifeng, Tan Dapeng. Dynamic modeling and ink supply method of piezoelectric inkjet process[J]. Chinese Journal of Mechanical Engineering.2017,53(01):140-149.

[2] Liu Hongzhe. Ink-jet printing ink drop formation and its application in flexible printing[D]. Wuhan University of Technology,(2018).

[3] Kwon K S, Kim W. A waveform design method for high-speed inkjet printing based on self-sensing measurement[J]. Sensors & Actuators A Physical, 2007, 140(1):75-83.

DOI: 10.1016/j.sna.2007.06.010

[4] Yang Minguan, Yan Long, Wang Yuli, et al. The influence of nozzle inlet conditions on the formation of micro-droplets[J]. Journal of Drainage and Irrigation Machinery Engin, 2015, 33(3): 226—232.

[5] Wang Zhenning, Tang Zhengning. Numerical simulation of the influence of liquid surface tension and viscosity on the formation of piezoelectric jet droplets[J]. Packaging Engineering, 2010, 31(13): 24-27.

[6] Xiao Yuan, Huang Yachao. Pneumatic droplet ejection process simulation and size uniformity test[J]. China Mechanical Engineering, 2014, 25(21): 2936-2941.

[7] Wei Dazhong, Zhang Renji, Wu Rendong, et al. Mathematical model of piezoelectric driven droplet ejection process[J]. China Mechanical Engineering, 2005, 16(7): 611-614.

[8] Zhou Shigui, Xi Juntong. Research on simulation and scale consistency test of piezoelectric driven diaphragm droplet ejection[J]. Chinese Journal of Mechanical Engineering, 2013, 49(8): 178—185.

[9] Zheng Zhenliang. The key technology of 3D printing on-demand micro-jetting [D]. Harbin Institute of Technology, (2015).

[10] ANSYS, Inc. ANSYS Fluent User's Guide, (2020).