| Experimental study of liquid aluminum droplet breakup characteristics based on a Drop-on-demand (DOD) magnetohydrodynamic actuation | |
Tian SW(田生伟)1,2; Sun, SuRong1; Lin, XiaoChen1,2; Geng JY(耿金越)3; Huang HJ(黄河激)3 ; Wang, HaiXing1,2; Cao JW(曹进文)3; Meng X(孟显)3; Yan C(闫聪)3
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| Corresponding Author | Sun, Su-Rong([email protected]) ; Wang, Hai-Xing([email protected]) |
| Source Publication | ADDITIVE MANUFACTURING
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| 2024-03-25 | |
| Volume | 84Pages:13 |
| ISSN | 2214-8604 |
| Abstract | In magnetohydrodynamic (MHD) drop-on-demand (DOD) actuation, Lorentz force generated in different excitation stages are exerted on the liquid metal jet to form a "push-pull" mechanism, which is crucial for generating accurate and repeatable metal droplets. In this study, the important parameters of the excitation current waveform in the magnetohydrodynamic (MHD) process, including the influence of the excitation voltage pulse width ratio and current amplitude on the velocity, energy, volume, and breakup length of aluminum droplets are studied. The conversion process of surface energy and kinetic energy during the formation and fall stage of liquid droplets is analyzed. The results show that the negative and positive excitation voltage pulse width ratio of the MHD pump has a significant effect on the droplet velocity, breakup time, size, and sphericity. The amplitude of the excitation current and Hartmann number has a significant impact on the generation of stable droplets. The results show that the single droplet ejection state can be achieved within the Ha number between 319.5 and 391.1. As the Ha number increases, the volume, length, kinetic energy and surface energy of the droplets at breakup time also increase. The size of droplets can be adjusted by changing the amplitude of excitation waveform. |
| Keyword | Droplet break up Magnetohydrodynamic (MHD) Drop-on-demand (DOD) Liquid metal 3D printing Additive manufacturing |
| DOI | 10.1016/j.addma.2024.104131 |
| Indexed By | SCI ; EI |
| Language | 英语 |
| WOS ID | WOS:001229867800001 |
| WOS Keyword | MOLTEN-METAL DROPLETS ; NOZZLE DIAMETER ; TECHNOLOGY ; DEPOSITION ; SMALLER ; DRIVEN |
| WOS Research Area | Engineering ; Materials Science |
| WOS Subject | Engineering, Manufacturing ; Materials Science, Multidisciplinary |
| Funding Project | National Natural Science Foundation of China[12175011] ; National Natural Science Foundation of China[12005010] ; National Natural Science Foundation of China[11735004] ; Fundamental Research Funds for the Central Universities[YWF-23-L-1221] ; State Key Laboratory of High -temperature Gas Dynamics, Chinese Academy of Sciences[2021KF08] |
| Funding Organization | National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; State Key Laboratory of High -temperature Gas Dynamics, Chinese Academy of Sciences |
| Classification | 一类 |
| Ranking | 3+ |
| Contributor | Sun, Su-Rong ; Wang, Hai-Xing |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/95439 |
| Collection | 高温气体动力学国家重点实验室 宽域飞行工程科学与应用中心 |
| Affiliation | 1.Beihang Univ, Sch Astronaut, Beijing 100191, Peoples R China; 2.Beihang Univ, Ningbo Inst Technol, Ningbo 315800, Peoples R China; 3.Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China |
| Recommended Citation GB/T 7714 | Tian SW,Sun, SuRong,Lin, XiaoChen,et al. Experimental study of liquid aluminum droplet breakup characteristics based on a Drop-on-demand (DOD) magnetohydrodynamic actuation[J]. ADDITIVE MANUFACTURING,2024,84:13.Rp_Au:Sun, Su-Rong, Wang, Hai-Xing |
| APA | 田生伟.,Sun, SuRong.,Lin, XiaoChen.,耿金越.,黄河激.,...&闫聪.(2024).Experimental study of liquid aluminum droplet breakup characteristics based on a Drop-on-demand (DOD) magnetohydrodynamic actuation.ADDITIVE MANUFACTURING,84,13. |
| MLA | 田生伟,et al."Experimental study of liquid aluminum droplet breakup characteristics based on a Drop-on-demand (DOD) magnetohydrodynamic actuation".ADDITIVE MANUFACTURING 84(2024):13. |
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