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用于被动微流体控制的3D可变截面通道的性能和制造

Wenjie Qian¹, Zhou Zhou^1,2, Qing Wang¹

¹School of Mechanical and Automotive Engineering, Anhui Polytechnic University, Wuhu 241000, China.

|August 29, 2024

概括

新的3D打印微流体通道具有可变的横截面,提供有效的被动流体控制. 这些新型结构的性能与微流体门的现有方法相美.

科学领域:

微流体学微流体学
流体动力学流体动力学
添加剂制造添加剂制造添加剂制造

背景情况:

微流体学中的被动流体控制依赖于通道结构中的局部损失.
计算3D流场和制造复杂的几何形状一直是重大挑战.

研究的目的:

为了研究一种新的周期性状微通道结构的流体动力学.
探索3D打印在创建复杂3D微流体通道方面的潜力.
为了评估这些结构在被动流体控制应用中的性能.

主要方法:

用有限元分析来建模周期性结节状通道中的流量.
实验进行了变化的雷诺兹数和周期频率.
使用3D打印来制造一个周期四面体通道进行验证.

主要成果:

可变的3D截面结构实现了与传统方法相比的被动流体控制性能.
这项研究分析了复杂,周期性变化的横截面的流场.
实验验证证证实了有限分析结果.

结论:

3D打印可以制造出以前无法实现的复杂微流体通道.
开发的状通道结构显示了增强被动流体控制装置的巨大潜力.
这项研究克服了微流体被动流体控制的制造限制.

关键词:

通过3D打印打印3D打印.二极性二极性是指二极性.有限分析是有限的分析.微流体中的微流体.变量的横截面道的通道截面.

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