| 标 题： |
3D printed kenics static micromixer
3D打印的静态微混器 |
| 作 者： |
Liao, Yanfei
Liu, Shihuang
Li, Xiao
Feng, Guang
Xue, Wei
Li, Fengping
Zhang, KunpengLiao, Yanfei
Liu, Shihuang
Li, Xiao
Feng, Guang
Xue, Wei
Li, Fengping
Zhang, Kunpeng |
| 关键词： |
MICROFLUIDIC MIXER [微流控混合器] |
| 出版年： |
2025 |
| 期刊名： |
Microsystem technologies
微系统技术：传感器，致动器与系统集成 |
| 年卷期： |
|
| 摘 要： |
Kenics static mixer (KSM), which comprises helical blades twisted 180 degrees in left and right-hand directions alternatively and connected 90 degrees to each other, has been widely used in macroscale because of its excellent mixing performance. Despite the high mixing efficiency, it is hard to apply in microscale conditions since it is difficult to fabricate the helical blades with conventional manufacturing methods and still mainly stays in the simulation stage. In this study, the Inkjet 3D printing method, which provides a rapid and cost-effective manufacturing method in one step without considering the complex three-dimensional structures for microfluidics, was adopted to build the Kenics static mixer and the Fibonacci's golden ratio theory that caused a small pressure loss in spiral motion was introduced into the helical blade design. Both simulations and experiments were conducted to characterize the mixing performance of the 3D printed KSM and compared with the slanted groove micromixer (SGM) and Y-shaped micromixer. The results demonstrated the superiority (mixing efficiency > 90%) of the 3D printed KSM proposed in this study.
Kenics静态混合器（KSM）由螺旋叶片组成，这些叶片以左右方向交替扭转180度，并相互连接成90度角。由于其优异的混合性能，该设备在宏观尺度上得到了广泛应用。然而，尽管混合效率高，但在微尺度条件下仍难以实现应用，因为传统制造方法难以生产出具有复杂三维结构的螺旋叶片，因此该技术主要仍停留在模拟阶段。本研究采用喷墨3D打印技术，这种技术可一步完成快速且经济高效的制造，无需考虑微流体系统的复杂三维结构，用于构建Kenics静态混合器，并将斐波那契黄金比例理论引入螺旋叶片设计中，以降低螺旋运动过程中的压力损失。通过开展仿真和实验，对3D打印KSM的混合性能进行了表征，并与斜槽微混合器（SGM）和Y型微混合器进行了对比。结果表明，本研究提出的3D打印KSM在混合效率方面具有显著优势（>90%）。 |
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