研究目的
To investigate the performance of a functionally graded metal foam thermal management system for solar cells, focusing on the effects of porosity and pore density on thermal performance and flow field.
研究成果
The study concludes that a functionally graded aluminum foam heat sink with specific porosity gradients can effectively manage the thermal performance of CPV systems, achieving low temperature variation and high thermal performance with minimal pumping power.
研究不足
The study is limited to computational simulations without experimental validation. The effects of electrical properties are ignored, and the thermal and physical structure of the aluminum foam is assumed constant along the flow channel.
1：Experimental Design and Method Selection:
Computational thermal fluid dynamic analysis is conducted to investigate the effect of porosity and pore density on the flow field and thermal performance of the aluminum foam heat sink.
2：Sample Selection and Data Sources:
Duocel 6101-T6 Aluminum alloy open cell foams (ERG aerospace Corp) are used as samples.
3：List of Experimental Equipment and Materials:
Aluminum foam heat sinks with varying porosity and pore density, water as coolant.
4：Experimental Procedures and Operational Workflow:
ANSYS-CFX is used for simulations with boundary conditions including mass flow rate inlet, turbulence intensity, and initial temperature.
5：Data Analysis Methods:
Analysis of average temperature, temperature variation, and pumping power required.
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