Mechanism simulation of valveless micropump

Gan Zhang; Shuangjie Liu

doi:10.1117/12.3025837

28 February 2024 Mechanism simulation of valveless micropump

Gan Zhang, Shuangjie Liu

Proceedings Volume 13071, International Conference on Mechatronic Engineering and Artificial Intelligence (MEAI 2023); 130710Z (2024) https://doi.org/10.1117/12.3025837
Event: International Conference on Mechatronic Engineering and Artificial Intelligence (MEAI 2023), 2023, Shenyang, China

Abstract

The model simulates the mechanism of a micro-pump without a valve. The simulation realizes unidirectional flow by introducing a vibrating pump mechanism into a microfluidic system and using a flexible microlobe to adjust the flow direction. During the down stroke, the liquid is introduced into the channel from the vertical chamber. The right lobe is then bent towards the bottom of the channel, while the left lobe is moved away from it. In this configuration makes it easier for liquid to flow out of the right outlet. During the upward motion, the liquid flows from the channel into the vertical chamber, while the flap flexes in the opposing direction. In this configuration, the right lobe has a greater ability to control the flow than the left lobe. As a result, the majority of the fluid is pulled into the vertical chamber through the outlet on the left side. This behavior leads to a flow of network traffic moving from the left side to the right side within the channel. Valveless micropump can be applied in microfluidic systems and can also be used to create a circulation system that pumps liquids into a continuously circulating loop to cool the microelectronic system.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Gan Zhang and Shuangjie Liu "Mechanism simulation of valveless micropump", Proc. SPIE 13071, International Conference on Mechatronic Engineering and Artificial Intelligence (MEAI 2023), 130710Z (28 February 2024); https://doi.org/10.1117/12.3025837

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