| Effect of contact angles on dynamical characteristics of the annular focused jet between parallel plates | |
Huang J(黄荐)1; Wang GH(王广航)1,2; Wang YW(王一伟)1,2 ; Wang JZ(王静竹)1,2; Yao CH(姚朝晖)1
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| Corresponding Author | Wang, Jingzhu([email protected]) ; Yao, Zhaohui([email protected]) |
| Source Publication | PHYSICS OF FLUIDS
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| 2022-05-01 | |
| Volume | 34Issue:5Pages:11 |
| ISSN | 1070-6631 |
| Abstract | Focused jets have been widely studied owing to the abundance of attractive flow phenomena and industrial applications, whereas annular focused jets are less studied. This study combines experiments, numerical simulations, and analytical modeling to investigate the effect of the contact angle on the generation position and focusing efficiency of annular focused jets between parallel plates. In the experiment, a pulsed laser generates a cavitation bubble inside the droplet, and the rapidly expanding cavitation bubble drives an annular-focused jet on the droplet surface. Changing the plate wettability creates different contact angles and droplet surface shapes between the droplet and plates, which modulates the position and focusing efficiency of the annular jet. Based on the jet singularity theory and by neglecting gravity, the derived formula for the jet position offset is found to depend only on the contact angle, which is in good agreement with the experimental and numerical simulation results. Combined with numerical simulations to analyze the flow characteristics of the droplets between the parallel plates, a new calculation method for the jet focusing efficiency is proposed. Interestingly, when the liquid surface radius is small, the focusing efficiency can be improved by adjusting the contact angle to make the jet position closer to the flat plate, whereas the same operation reduces the focusing efficiency when the radius is large. The study of annular jets can expand the scope of traditional jet research and has the potential to provide new approaches for applications such as high-throughput inkjet printing and liquid transfer. Published under an exclusive license by AIP Publishing. |
| DOI | 10.1063/5.0090696 |
| Indexed By | SCI ; EI |
| Language | 英语 |
| WOS ID | WOS:000797244200005 |
| WOS Research Area | Mechanics ; Physics |
| WOS Subject | Mechanics ; Physics, Fluids & Plasmas |
| Funding Project | National Natural Science Foundation of China[11872362] ; National Natural Science Foundation of China[12122214] ; Youth Innovation Promotion Association CAS[Y201906] ; Youth Innovation Promotion Association CAS[2022019] ; National Key R&D Program of China[2018FYA0305800] |
| Funding Organization | National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; National Key R&D Program of China |
| Classification | 一类/力学重要期刊 |
| Ranking | 1 |
| Contributor | Wang, Jingzhu ; Yao, Zhaohui |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/89508 |
| Collection | 流固耦合系统力学重点实验室 |
| Affiliation | 1.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 101408, Peoples R China; 2.Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China |
| Recommended Citation GB/T 7714 | Huang J,Wang GH,Wang YW,et al. Effect of contact angles on dynamical characteristics of the annular focused jet between parallel plates[J]. PHYSICS OF FLUIDS,2022,34,5,:11.Rp_Au:Wang, Jingzhu, Yao, Zhaohui |
| APA | 黄荐,王广航,王一伟,王静竹,&姚朝晖.(2022).Effect of contact angles on dynamical characteristics of the annular focused jet between parallel plates.PHYSICS OF FLUIDS,34(5),11. |
| MLA | 黄荐,et al."Effect of contact angles on dynamical characteristics of the annular focused jet between parallel plates".PHYSICS OF FLUIDS 34.5(2022):11. |
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| Jp2022FA400_2022_Eff（2916KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Download | |
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