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首页> 外文会议>International Conference on Energy, Materials and Manufacturing Engineering >The Simulation Study of Fluid Physical Properties on Drop Formation of Drop-on-demand Inkjet Printing
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The Simulation Study of Fluid Physical Properties on Drop Formation of Drop-on-demand Inkjet Printing

机译：流体物理性质对按需喷墨印刷滴形成的仿真研究

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Inkjet printing is a method for directly patterning and fabricating patterns without the need for masks. However, the physical phenomenon in inkjet printing process is very complicated with the coupling of piezoelectricity, elasticity, and free surface fluid dynamics. The authors use the volume of fluid (VOF) method as implemented in the commercial code FLUENT to model the details of the drop formation process. The influence of viscosity and surface tension of the liquid on the droplet formation process is investigated. Consequently, we find that the speed of liquid plays an important role for the jet stability. The viscosity of liquid greatly influences the final speed of droplet. However, the surface tension of liquid does not much affect the speed of droplet. It changes the shape of the liquid thread and final droplet.
机译：喷墨印刷是一种直接图案化和制造图案的方法，无需面具。然而，喷墨印刷过程中的物理现象与压电，弹性和自由表面流体动力学的偶联非常复杂。作者使用流利的商业代码中实施的流体（VOF）方法的体积来模拟下降形成过程的细节。研究了液体对液滴形成过程的粘度和表面张力的影响。因此，我们发现液体的速度对喷射稳定性起着重要作用。液体的粘度极大地影响了液滴的最终速度。然而，液体的表面张力不会影响液滴的速度。它改变了液体线和最终液滴的形状。

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