Numerical Investigation on Heat Transfer Characteristics Conjugated with Boundary Layer According to the TEG Fin Shape using CFD

The global community is intensifying efforts to regulate greenhouse gas emissions, including in the maritime transport sector, to combat global warming. The International Maritime Organization (IMO) has mandated a 50% reduction in global ship greenhouse gas emissions by 2050, based on 2008 levels. In line with these regulations, waste heat-to-electricity conversion systems have emerged as a promising technology to minimize the environmental impact of vessels. To enhance the performance of waste heat-to-electricity conversion systems, extensive research is being conducted. This study focuses on numerical analysis and optimization techniques to investigate the heat transfer characteristics based on variations in Fin shape and arrangement within the system. Through numerical simulations, the heat exchange performance of Fins with different thicknesses and spacing is compared and analyzed. The results demonstrate that thinner Fins exhibit superior heat transfer performance compared to thicker ones. Furthermore, it is observed that reducing the spacing between Fins leads to increased heat exchange and, consequently, higher electricity generation. In this study, optimizing the Fin shape and arrangement within the waste heat-to-electricity conversion system is proposed as a means to maximize its performance. By leveraging numerical analysis and optimization techniques, it is anticipated that the efficiency and effectiveness of the waste heat-to-electricity conversion system can be significantly improved, thereby supporting the maritime industry in achieving its environmental goals.