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Latest developments in nanofluid flow and heat transfer between parallel surfaces: A critical review
Mohammad Amani1, Pouria Amani2, Mehdi Bahiraei3
1Department of Mechanical Engineering, Arak University of Technology, Arak, Iran.
Advances in Colloid and Interface Science
|June 6, 2021
Summary
This review covers recent studies on nanofluid flow between parallel surfaces. Key factors like Rayleigh and Reynolds numbers enhance heat transfer, while others like Eckert number reduce it.
Area of Science:
- Thermodynamics and Fluid Mechanics
- Nanotechnology
Background:
- Heat transfer enhancement is crucial for systems like lubrication and water purification.
- Nanofluids offer a promising method to significantly improve heat transfer rates.
Purpose of the Study:
- To review recent experimental and numerical studies on nanofluid flow and heat transfer in parallel surface configurations.
- To consolidate understanding of factors influencing heat transfer in these systems.
Main Methods:
- Comprehensive literature review of experimental and numerical studies.
- Analysis of heat transfer characteristics in parallel plates, disks, and concentric pipes.
Main Results:
- Heat transfer is generally enhanced by increased Rayleigh number, Reynolds number, magnetic number, and Brownian motion.
- Increased thermophoresis parameter, Eckert number, buoyancy ratio, Hartmann number, and Lewis number typically reduce heat transfer.
Conclusions:
- Understanding the interplay of various parameters is essential for optimizing thermal system performance with nanofluids.
- This review highlights key findings and identifies research gaps in nanofluid heat transfer between parallel surfaces.
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