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Article

High Mixing Efficiency by Modulating Inlet Frequency of Viscoelastic Fluid in Simplified Pore Structure

by 1,†, 2,†, 1,*, 3, 1, 1,4 and 5,*
1
School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
2
School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200000, China
3
Department of Biomedical Engineering and Biotechnology, University of Massachusetts Lowell, Lowell, MA 01854, USA
4
Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China
5
School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
*
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Processes 2018, 6(11), 210; https://doi.org/10.3390/pr6110210
Received: 26 September 2018 / Revised: 15 October 2018 / Accepted: 16 October 2018 / Published: 1 November 2018
(This article belongs to the Special Issue Fluid Flow in Fractured Porous Media)
Fluid mixing plays an essential role in microscale flow systems. Here, we propose an active mixing approach which enhances the mixing of viscoelastic fluid flow in a simplified pore T-junction structure. Mixing is actively controlled by modulating the driving pressure with a sinusoidal signal at the two inlets of the T-junction. The mixing effect is numerically investigated for both Newtonian and viscoelastic fluid flows under different pressure modulation conditions. The result shows that a degree of mixing as high as 0.9 is achieved in viscoelastic fluid flows through the T-junction mixer when the phase difference between the modulated pressures at the two inlets is 180°. This modulation method can also be used in other fluid mixing devices. View Full-Text
Keywords: mixer; viscoelastic fluid; pore structure mixer; viscoelastic fluid; pore structure
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MDPI and ACS Style

Zhang, M.; Cui, Y.; Cai, W.; Wu, Z.; Li, Y.; Li, F.; Zhang, W. High Mixing Efficiency by Modulating Inlet Frequency of Viscoelastic Fluid in Simplified Pore Structure. Processes 2018, 6, 210. https://doi.org/10.3390/pr6110210

AMA Style

Zhang M, Cui Y, Cai W, Wu Z, Li Y, Li F, Zhang W. High Mixing Efficiency by Modulating Inlet Frequency of Viscoelastic Fluid in Simplified Pore Structure. Processes. 2018; 6(11):210. https://doi.org/10.3390/pr6110210

Chicago/Turabian Style

Zhang, Meng, Yunfeng Cui, Weihua Cai, Zhengwei Wu, Yongyao Li, Fengchen Li, and Wu Zhang. 2018. "High Mixing Efficiency by Modulating Inlet Frequency of Viscoelastic Fluid in Simplified Pore Structure" Processes 6, no. 11: 210. https://doi.org/10.3390/pr6110210

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