Numerical Simulation of Fluid Flow Characteristics and Heat Transfer Performance in Graphene Foam Composite
Abstract
:1. Introduction
2. Methodology
2.1. Physical Model
2.2. Governing Equations
2.3. Boundary Condition
2.4. Grid Independence Verification
2.5. Numerical Simulation Validation
3. Results and Discussion
3.1. Flow Characteristics Analysis
3.1.1. Pressure Distribution
3.1.2. Influence of Porosity on Pressure Drop
3.1.3. Influence of Velocity and Cross-Section Shape of Struts on Pressure Drop
3.1.4. Influence of Flow Direction on Pressure Drop
3.2. Velocity Field Analysis
3.3. Temperature Distribution
3.4. Convective Heat Transfer Performance
3.4.1. Influence of Velocity and Porosity on the Convective Heat Transfer Coefficient
3.4.2. Influence of Flow Direction on the Convective Heat Transfer Coefficient
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Material | Density ρ (kg/m3) | Specific Heat Cp (J/kg·K) | Thermal Conductivity k (W/m·K) | Dynamic Viscosity μ (kg/m·s) |
---|---|---|---|---|
Air | 1.225 | 1006.43 | 0.0265 | 1.8 × 10−5 |
Graphene | 2250 | 709 | 500 | - |
Nickel | 8900 | 460.6 | 106 | - |
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Bi, J.; Zhou, R.; Lv, Y.; Du, T.; Ge, J.; Zhou, H. Numerical Simulation of Fluid Flow Characteristics and Heat Transfer Performance in Graphene Foam Composite. Coatings 2024, 14, 1046. https://doi.org/10.3390/coatings14081046
Bi J, Zhou R, Lv Y, Du T, Ge J, Zhou H. Numerical Simulation of Fluid Flow Characteristics and Heat Transfer Performance in Graphene Foam Composite. Coatings. 2024; 14(8):1046. https://doi.org/10.3390/coatings14081046
Chicago/Turabian StyleBi, Jinpeng, Rongyao Zhou, Yuexia Lv, Tingting Du, Juan Ge, and Hongyang Zhou. 2024. "Numerical Simulation of Fluid Flow Characteristics and Heat Transfer Performance in Graphene Foam Composite" Coatings 14, no. 8: 1046. https://doi.org/10.3390/coatings14081046