The Separation of Microalgae Using Dean Flow in a Spiral Microfluidic Device
Abstract
:1. Introduction
2. Method
2.1. Theory
2.2. Design of the Microfluidic Device
2.3. Device Fabrication
2.4. Cosmarium and Chlorella Vulgaris Are Used in the Experiments
2.5. Experiments
3. Results and Discussion
3.1. ANSYS Simulations
3.2. The Combination Microfluidic Chip Design
3.2.1. Design with a Spiral Channel Width of 100 μm
3.2.2. Design with a Spiral Channel Width of 200 μm
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Particle Size | Radius of Curvature (R) | Flow Rate |
---|---|---|
5 µm | 1.5 mm | 10 µL h−1 |
50 µm |
Density | Dynamic Viscosity | Lift Coefficient (CL) |
---|---|---|
1000 kg/m3 | 10−3 kg m−1 s−1 | 0.5 |
Dimension (HxW) | Dean Number, De | |
---|---|---|
70 μm | 100 μm | 0.005414489 |
200 μm | 0.003825606 | |
130 μm | 100 μm | 0.004688801 |
200 μm | 0.003858315 | |
180 μm | 100 μm | 0.004107533 |
200 μm | 0.003674157 |
Dimension (HxW) | Drag Force, FD5 (N) | Drag Force, FD50 (N) | Lift Force, FL5 (N) | Lift Force, FL50 (N) | |
---|---|---|---|---|---|
70 μm | 100 μm | 1.7148 × 10−15 | 1.7148 × 10−14 | 2.90236 × 10−17 | 2.90236 × 10−15 |
200 μm | 9.73453 × 10−16 | 9.73453 × 10−15 | 4.57573 × 10−18 | 4.57573 × 10−14 | |
130 μm | 100 μm | 1.35626 × 10−15 | 1.35626 × 10−14 | 4.46609 × 10−18 | 4.46609 × 10−14 |
200 μm | 9.87056 × 10−16 | 9.87056 × 10−15 | 5.74618 × 10−19 | 5.74618 × 10−15 | |
180 μm | 100 μm | 1.09308 × 10−15 | 1.09308 × 10−14 | 1.80082 × 10−18 | 1.80082 × 10−14 |
200 μm | 9.11424 × 10−16 | 9.11424 × 10−15 | 2.07301 × 10−19 | 2.07301 × 10−15 |
Channel Width | Channel Height | Oil Flow Rate | Medium Flow Rate |
---|---|---|---|
100 μm 200 μm | 70 μm | 80 μL h−1 | 10 μL h−1 |
130 μm | |||
180 μm |
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Lee, M.-L.; Yao, D.-J. The Separation of Microalgae Using Dean Flow in a Spiral Microfluidic Device. Inventions 2018, 3, 40. https://doi.org/10.3390/inventions3030040
Lee M-L, Yao D-J. The Separation of Microalgae Using Dean Flow in a Spiral Microfluidic Device. Inventions. 2018; 3(3):40. https://doi.org/10.3390/inventions3030040
Chicago/Turabian StyleLee, Ming-Lung, and Da-Jeng Yao. 2018. "The Separation of Microalgae Using Dean Flow in a Spiral Microfluidic Device" Inventions 3, no. 3: 40. https://doi.org/10.3390/inventions3030040