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Effect of Different Heat Sink Designs on Thermoelectric Generator System Performance in a Turbocharged Tractor

Author

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  • Ali Gürcan

    (Department of Mechanical, Istanbul Gelisim University, Istanbul 34310, Türkiye)

  • Gülay Yakar

    (Department of Mechanical Engineering, Pamukkale University, Denizli 20160, Türkiye)

Abstract

In this study, the effects of different heat sink designs on the cold side of the modules in a thermoelectric generator (TEG) system placed between the compressor and the intercooler of a turbocharged tractor on the system performance were numerically analyzed. In the current literature, heat sinks used in TEG modules generally consist of plate fins. In this study, by using perforated and slotted fins, the thermal boundary layer behaviors were changed and there was an attempt to increase the heat transfer from the cold surface compared to plate fins. Thus, the performance of the TEG system was also increased. When looking at the literature, it is seen that there are studies which aim to increase the performance of TEG modules by changing the dimensions of p and n type semiconductors. However, there is no study aiming to increase the performance of TEG modules by making changes on the plate fins of the heat sinks used in these modules and thus increasing the heat transfer amount. In this respect, this study offers important results for the literature. According to the numerical analysis results, the total TEG output power, output voltage, and thermal efficiency obtained for S0.5H15 were 6.2%, about 3%, and about 5% higher than those for PF, respectively. In addition, the pressure drop values obtained for different heat sinks, except for aluminum foam, were approximately close to each other. In cases with TEG systems where different heat sinks were used, the intercooler inlet air temperatures decreased by approximately 3.4–3.5% compared to the case without the TEG system. This indicates that the use of TEG will positively affect the improvement in engine efficiency.

Suggested Citation

  • Ali Gürcan & Gülay Yakar, 2025. "Effect of Different Heat Sink Designs on Thermoelectric Generator System Performance in a Turbocharged Tractor," Energies, MDPI, vol. 18(13), pages 1-31, June.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:13:p:3267-:d:1684905
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    References listed on IDEAS

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