期刊
ACS OMEGA
卷 7, 期 1, 页码 1527-1536出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.1c06352
关键词
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资金
- National Natural Science Foundation of China [51505077]
- Project Agreement for Science and Technology Development of Jilin Province [JJKH20200105KJ]
- Science and Technology Innovation Development Project of Jilin City [201750230, 20166013, 20166012]
This paper presents a helical three-dimensional passive micromixer fabricated through 3D printing and polymer dissolution technology, which effectively improves the mixing efficiency according to experimental results.
In this paper, a helical three-dimensional (3D) passive micromixer is presented. A three-dimensional spiral passive micromixer is fabricated through the 3D printing technology and the polymer dissolution technology. The main process is as follows: First of all, a high-impact polystyrene (HIPS) material was used to make a 3D spiral channel mold. Second, the channel mold was dissolved in limonene solvent. The mixing experiment shows that the single helix structure can improve the mixing efficiency to 0.85, compared with the mixing efficiency of 0.78 in the traditional T-shaped two-dimensional (2D)-plane channel. Different screw diameters, screw number structures, and flow rates are used to test the mixing effect. The optimal helical structure is 5 mm, and the flow rate is 2.0 mL/min. Finally, the mixing efficiency of the 3D helical micromixer can reach 0.948. The results show that the three-dimensional helical structure can effectively improve the mixing efficiency.
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