Flow of Non-Newtonian Fluids in a Single-Cavity Microchannel
Abstract
:1. Introduction
2. Experiment
2.1. Materials
2.2. Methods
3. Results
3.1. Fluid Rheological Effects on the Cavity Flow
3.1.1. DI Water: Effects of Fluid Inertia
3.1.2. PVP Solution: Effects of Fluid Elasticity Along with Inertia
3.1.3. XG Solution: Effects of Fluid Shear Thinning Along with Inertia
3.1.4. HA Solution: Effects of Weak Elasticity and Mild Shear Thinning Along with Inertia
3.1.5. PEO Solution: Effects of Mild Elasticity and Weak Shear Thinning Along with Inertia
3.1.6. PAA Solution: Effects of Strong Elasticity and Strong Shear Thinning and Inertia
3.2. Summary of the Cavity Flow Pattern
3.3. Summary of the Vortex Development
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Solution | (ms) | |||||
---|---|---|---|---|---|---|
DI Water | 1 | 1 | − | 1 | 0 | 0 |
10,000 ppm PVP | 2.1 | 2.1 | − | ≅1 | 0.61 | 0.83 |
2000 ppm XG | 1740 | 1.8 | 6.6 | 0.33 | ~0 | ~0 |
3000 ppm HA | 16 | 1.5 | 0.0018 | 0.62 | 0.067 | 0.20 |
1000 ppm PEO | 2.18 | 2.18 | − | ~1 | 1.5 * | 2.12 |
200 ppm PAA | 4900 | 2.1 | 151 | 0.25 | 95 ** | 123.64 |
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Raihan, M.K.; Jagdale, P.P.; Wu, S.; Shao, X.; Bostwick, J.B.; Pan, X.; Xuan, X. Flow of Non-Newtonian Fluids in a Single-Cavity Microchannel. Micromachines 2021, 12, 836. https://doi.org/10.3390/mi12070836
Raihan MK, Jagdale PP, Wu S, Shao X, Bostwick JB, Pan X, Xuan X. Flow of Non-Newtonian Fluids in a Single-Cavity Microchannel. Micromachines. 2021; 12(7):836. https://doi.org/10.3390/mi12070836
Chicago/Turabian StyleRaihan, Mahmud Kamal, Purva P. Jagdale, Sen Wu, Xingchen Shao, Joshua B. Bostwick, Xinxiang Pan, and Xiangchun Xuan. 2021. "Flow of Non-Newtonian Fluids in a Single-Cavity Microchannel" Micromachines 12, no. 7: 836. https://doi.org/10.3390/mi12070836