Characteristics of truncate-angle rhombic micromixer and rapid mold fabrication using CO2 laser micromachining

Chen-Kuei Chung, T. R. Shih, B. R. Wu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Fluid dynamics and mixing transport of the rhombic micromixer with truncate angles have been investigated by 3D numerical simulations and experiments. Simulation result shows this rhombic microchannel with truncate angles has high mixing efficiency, compared to cross-shape microchanneI. Over 90% mixing enhanced by vortices had been achieved at Re > 100. Different to photolithography process, CO2 laser machine is used to fabricate the master mold rapidly. Experimental results show this rhombic micromixer enhances much mixing at Re 18.6 and uniform mixing at Re 186, respectively. This device is suitable to the application of high-throughput chemical production.

Original languageEnglish
Title of host publication4th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2009
Pages535-538
Number of pages4
DOIs
Publication statusPublished - 2009
Event4th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2009 - Shenzhen, China
Duration: 2009 Jan 52009 Jan 8

Other

Other4th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2009
CountryChina
CityShenzhen
Period09-01-0509-01-08

Fingerprint

Micromachining
Fabrication
Lasers
Photolithography
Fluid dynamics
Microchannels
Vortex flow
Throughput
Computer simulation
Experiments

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Chung, C-K., Shih, T. R., & Wu, B. R. (2009). Characteristics of truncate-angle rhombic micromixer and rapid mold fabrication using CO2 laser micromachining. In 4th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2009 (pp. 535-538). [5068636] https://doi.org/10.1109/NEMS.2009.5068636
Chung, Chen-Kuei ; Shih, T. R. ; Wu, B. R. / Characteristics of truncate-angle rhombic micromixer and rapid mold fabrication using CO2 laser micromachining. 4th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2009. 2009. pp. 535-538
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Chung, C-K, Shih, TR & Wu, BR 2009, Characteristics of truncate-angle rhombic micromixer and rapid mold fabrication using CO2 laser micromachining. in 4th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2009., 5068636, pp. 535-538, 4th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2009, Shenzhen, China, 09-01-05. https://doi.org/10.1109/NEMS.2009.5068636

Characteristics of truncate-angle rhombic micromixer and rapid mold fabrication using CO2 laser micromachining. / Chung, Chen-Kuei; Shih, T. R.; Wu, B. R.

4th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2009. 2009. p. 535-538 5068636.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - Fluid dynamics and mixing transport of the rhombic micromixer with truncate angles have been investigated by 3D numerical simulations and experiments. Simulation result shows this rhombic microchannel with truncate angles has high mixing efficiency, compared to cross-shape microchanneI. Over 90% mixing enhanced by vortices had been achieved at Re > 100. Different to photolithography process, CO2 laser machine is used to fabricate the master mold rapidly. Experimental results show this rhombic micromixer enhances much mixing at Re 18.6 and uniform mixing at Re 186, respectively. This device is suitable to the application of high-throughput chemical production.

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Chung C-K, Shih TR, Wu BR. Characteristics of truncate-angle rhombic micromixer and rapid mold fabrication using CO2 laser micromachining. In 4th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2009. 2009. p. 535-538. 5068636 https://doi.org/10.1109/NEMS.2009.5068636