喷墨打印
润湿
喷嘴
基质(水族馆)
微流控
下降(电信)
弯月面
材料科学
喷射(流体)
蒸发
流体力学
机械
墨水池
纳米技术
机械工程
复合材料
光学
工程类
物理
地质学
热力学
海洋学
入射(几何)
出处
期刊:Annual Review of Fluid Mechanics
[Annual Reviews]
日期:2022-01-05
卷期号:54 (1): 349-382
被引量:194
标识
DOI:10.1146/annurev-fluid-022321-114001
摘要
Inkjet printing is the most widespread technological application of microfluidics. It is characterized by its high drop productivity, small volumes, and extreme reproducibility. This review gives a synopsis of the fluid dynamics of inkjet printing and discusses the main challenges for present and future research. These lie both on the printhead side—namely, the detailed flow inside the printhead, entrained bubbles, the meniscus dynamics, wetting phenomena at the nozzle plate, and jet formation—and on the receiving substrate side—namely, droplet impact, merging, wetting of the substrate, droplet evaporation, and drying. In most cases the droplets are multicomponent, displaying rich physicochemical hydrodynamic phenomena. The challenges on the printhead side and on the receiving substrate side are interwoven, as optimizing the process and the materials with respect to either side alone is not enough: As the same ink (or other jetted liquid) is used and as droplet frequency and size matter on both sides, the process must be optimized as a whole.
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