Experimental and Numerical Study on Flow Resistance and Bubble Transport in a Helical Static Mixer
Abstract
:1. Introduction
2. Experimental Setup
2.1. Structure of the Helical Static Mixer
2.2. Experimental Setup
3. Numerical Model
3.1. Fluid Flow
3.2. Bubble Transport
3.3. Computational Domain and Mesh Generation
3.4. Flow Parameters and Boundary Conditions
4. Results and Discussion
4.1. Verification
4.2. Flow Resistance
4.2.1. Comparison of the Friction Factors
4.2.2. Effect of the Reynolds Number
4.2.3. Effect of the Variable-Pitch Coefficient
4.3. Bubble Transport
4.3.1. Change of the BSD
4.3.2. Effect of the Reynolds Number
4.3.3. Effect of the Variable-Pitch Coefficient
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
Appendix A
References
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Static Mixer Design | Diameter (mm) | Mixing Length (mm) | Number of Elements | Global Porosity (%) |
---|---|---|---|---|
KSM (Chemineer Inc., Ohio, USA) [38] | 19.1 | 687.6 | 24 | 78 |
PKMS [3] | 40 | 960 | 12 | 90.8–93.3 |
SMV (Sulzer Inc. Winterthur, Switzerland) [39] | 10 | 50 | 5 | 83 |
SMX+ (Sulzer Inc.) [40] | 5 | 50 | 10 | 75 |
TTT [16] | 19 | 1000 | 1 | 94.6 |
Current HSM | 25 | 280 | 1 | 68.5 |
Grid Name | Number of Elements (104) | Pressure Drop (Pa) | Relative Error of Pressure Drop (%) |
---|---|---|---|
Grid 1 | 1845 | 3352.4 | - |
Grid 2 | 1074 | 3318.8 | 1.0 |
Grid 3 | 552 | 3228.4 | 3.7 |
Grid 4 | 385 | 3007.1 | 10.3 |
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Yuan, F.; Cui, Z.; Lin, J. Experimental and Numerical Study on Flow Resistance and Bubble Transport in a Helical Static Mixer. Energies 2020, 13, 1228. https://doi.org/10.3390/en13051228
Yuan F, Cui Z, Lin J. Experimental and Numerical Study on Flow Resistance and Bubble Transport in a Helical Static Mixer. Energies. 2020; 13(5):1228. https://doi.org/10.3390/en13051228
Chicago/Turabian StyleYuan, Fangyang, Zhengwei Cui, and Jianzhong Lin. 2020. "Experimental and Numerical Study on Flow Resistance and Bubble Transport in a Helical Static Mixer" Energies 13, no. 5: 1228. https://doi.org/10.3390/en13051228