Simulation Study on Heat Transfer Coefficient of Various Diameter and Material Rods as Heat Sinks for Renewable Energy Systems

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In the pursuit of developing efficient and sustainable renewable energy systems, the design and optimization of heat sinks play a crucial role. This study focuses on the simulation and analysis of heat transfer coefficients for rods of different diameters and materials, with the objective of enhancing the performance of renewable energy systems. The heat sink materials considered in this study include aluminum, copper, and steel, each with distinct thermal conductivity properties. The results indicate that heat transfer in steel fins is slower due to higher thermal resistance, leading to hindered heat transfer and longer thermal equilibrium time. Moreover, the study highlights the significance of forced convection in the system, revealing that radiation can be neglected in heat transfer rate and temperature distribution calculations. Furthermore, it is observed that the heat transfer coefficient on the air side of an air-to-air and air-to-liquid heat exchanger is lower compared to the liquid side. These findings contribute to the optimization of heat sinks for renewable energy systems, facilitating improved energy transformation and utilization of green energy sources such as solar, wind, geothermal, and bioenergy. It is essential to assess the durability and dependability of heat sinks in continuous operation. This comprises resolving problems such as material deterioration and upkeep necessities for practical situations. Last but not least, cutting-edge innovations in heat sink design include phase-change materials, nanomaterials, and smart coatings. Future study should focus on finding out how these technologies might improve heat sink efficiency even more.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.