A Fluidic Diode and Its Application to a Valveless Micropump

Peng Zhou; Tianyi Zhang; Terrence Simon; Tianhong Cui

doi:10.1109/mems51782.2021.9375273

A Fluidic Diode and Its Application to a Valveless Micropump

Peng Zhou, Tianyi Zhang, Terrence Simon, Tianhong Cui

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Scopus citations

Abstract

In this work, topology optimization was used to design a fixed-geometry fluidic diode of high diodicity, defined as the ratio of pressure drop of reverse flow to forward flow. Next, the fluidic diode was used in a valveless micropump. A three-dimensional and unsteady numerical analysis of fluid flow inside the micropump with the optimized diode was conducted by Computational Fluid Dynamics (CFD). Performance of a nozzle-diffuser type diode in the valveless micropump was also evaluated under the same conditions, for comparison. Both types of micropumps were fabricated and tested. The results show that the micropump with the designed fluidic diode can reach a flow rate of up to 33.5 ml/h, which is consistent with the simulation results and 2.2 times that of the nozzle-diffuser type micropump.

Original language	English (US)
Title of host publication	34th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2021
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1005-1008
Number of pages	4
ISBN (Electronic)	9781665419123
DOIs	https://doi.org/10.1109/mems51782.2021.9375273
State	Published - Jan 25 2021
Event	34th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2021 - Virtual, Gainesville, United States Duration: Jan 25 2021 → Jan 29 2021

Publication series

Name	2021 IEEE 34th International Conference on Micro Electro Mechanical Systems (MEMS)

Conference

Conference	34th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2021
Country/Territory	United States
City	Virtual, Gainesville
Period	1/25/21 → 1/29/21

Bibliographical note

Publisher Copyright:
© 2021 IEEE.

Keywords

Fluidic Diode
Topology Optimization
Valveless Pump

Publisher link

10.1109/mems51782.2021.9375273

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Zhou, P., Zhang, T., Simon, T., & Cui, T. (2021). A Fluidic Diode and Its Application to a Valveless Micropump. In 34th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2021 (pp. 1005-1008). Article 9375273 (2021 IEEE 34th International Conference on Micro Electro Mechanical Systems (MEMS)). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/mems51782.2021.9375273

A Fluidic Diode and Its Application to a Valveless Micropump. / Zhou, Peng; Zhang, Tianyi; Simon, Terrence et al.
34th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2021. Institute of Electrical and Electronics Engineers Inc., 2021. p. 1005-1008 9375273 (2021 IEEE 34th International Conference on Micro Electro Mechanical Systems (MEMS)).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Zhou, P, Zhang, T, Simon, T & Cui, T 2021, A Fluidic Diode and Its Application to a Valveless Micropump. in 34th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2021., 9375273, 2021 IEEE 34th International Conference on Micro Electro Mechanical Systems (MEMS), Institute of Electrical and Electronics Engineers Inc., pp. 1005-1008, 34th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2021, Virtual, Gainesville, United States, 1/25/21. https://doi.org/10.1109/mems51782.2021.9375273

Zhou P, Zhang T, Simon T , Cui T. A Fluidic Diode and Its Application to a Valveless Micropump. In 34th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2021. Institute of Electrical and Electronics Engineers Inc. 2021. p. 1005-1008. 9375273. (2021 IEEE 34th International Conference on Micro Electro Mechanical Systems (MEMS)). doi: 10.1109/mems51782.2021.9375273

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abstract = "In this work, topology optimization was used to design a fixed-geometry fluidic diode of high diodicity, defined as the ratio of pressure drop of reverse flow to forward flow. Next, the fluidic diode was used in a valveless micropump. A three-dimensional and unsteady numerical analysis of fluid flow inside the micropump with the optimized diode was conducted by Computational Fluid Dynamics (CFD). Performance of a nozzle-diffuser type diode in the valveless micropump was also evaluated under the same conditions, for comparison. Both types of micropumps were fabricated and tested. The results show that the micropump with the designed fluidic diode can reach a flow rate of up to 33.5 ml/h, which is consistent with the simulation results and 2.2 times that of the nozzle-diffuser type micropump.",

keywords = "Fluidic Diode, Topology Optimization, Valveless Pump",

author = "Peng Zhou and Tianyi Zhang and Terrence Simon and Tianhong Cui",

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N2 - In this work, topology optimization was used to design a fixed-geometry fluidic diode of high diodicity, defined as the ratio of pressure drop of reverse flow to forward flow. Next, the fluidic diode was used in a valveless micropump. A three-dimensional and unsteady numerical analysis of fluid flow inside the micropump with the optimized diode was conducted by Computational Fluid Dynamics (CFD). Performance of a nozzle-diffuser type diode in the valveless micropump was also evaluated under the same conditions, for comparison. Both types of micropumps were fabricated and tested. The results show that the micropump with the designed fluidic diode can reach a flow rate of up to 33.5 ml/h, which is consistent with the simulation results and 2.2 times that of the nozzle-diffuser type micropump.

AB - In this work, topology optimization was used to design a fixed-geometry fluidic diode of high diodicity, defined as the ratio of pressure drop of reverse flow to forward flow. Next, the fluidic diode was used in a valveless micropump. A three-dimensional and unsteady numerical analysis of fluid flow inside the micropump with the optimized diode was conducted by Computational Fluid Dynamics (CFD). Performance of a nozzle-diffuser type diode in the valveless micropump was also evaluated under the same conditions, for comparison. Both types of micropumps were fabricated and tested. The results show that the micropump with the designed fluidic diode can reach a flow rate of up to 33.5 ml/h, which is consistent with the simulation results and 2.2 times that of the nozzle-diffuser type micropump.

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KW - Topology Optimization

KW - Valveless Pump

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A Fluidic Diode and Its Application to a Valveless Micropump

Abstract

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