The role of wettability of nonideal nozzle plate: From drop-on-demand droplet jetting to impact on solid substrate | |
Zhang L(张磊)1; Ku T(库涛)1; Jia JS(贾敬崧)1; Cheng XD(程晓鼎)1,2 | |
刊名 | AIChE Journal |
2018 | |
卷号 | 64期号:7页码:2837-2850 |
关键词 | Wettability Nozzle Plate Inkjet Droplet Formation Lattice Boltzmann Method Drop-on-demand |
ISSN号 | 0001-1541 |
产权排序 | 1 |
英文摘要 | The dynamics of drop-on-demand (DoD) droplet formation and subsequently impact on the solid substrate are investigated using a three-dimensional (3-D) multirelaxation-time (MRT) pseudopotential lattice Boltzmann (LB) model. The wettability of nonideal nozzle plate and solid substrate is modeled by a geometric scheme within the LB framework. The dynamics of droplet formation are explored in a range of the inverse of Ohnesorge number Z=4.95, 11.57, and 28.17, and the Reynolds number Re=39.6, 58.9,, and 136.4. For Z=4.95, no satellite droplet is observed and the wettability of nozzle plate greatly influences the velocity and length of jetting fluids. For Z=11.57, the filament breakup and recombination are observed. The moment of filament breakup is delayed with advancing contact angle For θAincreasing. For Z=28.17 with Re=136.4, the primary and satellite droplets could not be recombined with θA=30º and θA=90º which agree with the literature. Whereas with θA=90º, the recombination occurs. The dynamics of subsequent oscillating droplet impact on the substrate are similar to that of equilibrium droplet which could obtain high-resolution printed features. Consequently, considering θA=90º with large Z and Re numbers, the printable range could be extended which could help increase the printing frequency and boost the production outputs of inkjet printing. |
资助项目 | National Key Research and Development Program of China[2017YFB0306401] |
WOS关键词 | LATTICE BOLTZMANN METHOD ; INKJET ; SIMULATION ; STABILITY ; PRESSURE ; FLOWS |
WOS研究方向 | Engineering |
语种 | 英语 |
WOS记录号 | WOS:000435077000047 |
资助机构 | National KeyResearch and Development Program of China through grant2017YFB0306401 |
内容类型 | 期刊论文 |
源URL | [http://119.78.100.139/handle/173321/22107] |
专题 | 沈阳自动化研究所_数字工厂研究室 |
通讯作者 | Zhang L(张磊) |
作者单位 | 1.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China; 2.University of Chinese Academy of Sciences, Beijing 100049, China |
推荐引用方式 GB/T 7714 | Zhang L,Ku T,Jia JS,et al. The role of wettability of nonideal nozzle plate: From drop-on-demand droplet jetting to impact on solid substrate[J]. AIChE Journal,2018,64(7):2837-2850. |
APA | Zhang L,Ku T,Jia JS,&Cheng XD.(2018).The role of wettability of nonideal nozzle plate: From drop-on-demand droplet jetting to impact on solid substrate.AIChE Journal,64(7),2837-2850. |
MLA | Zhang L,et al."The role of wettability of nonideal nozzle plate: From drop-on-demand droplet jetting to impact on solid substrate".AIChE Journal 64.7(2018):2837-2850. |
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