RT Journal Article
T1 Heat transfer in thermoelectric generators for waste wnergy recovery in piston engines
A1 Fernández-Yáñez, Pablo
A1 Jarama, Javier
A1 Martos-Ramos, Francisco Javier
A1 Armas, Octavio
K1 Motores de combustión interna
K1 Generadores termoeléctricos
K1 Termoelectricidad - Aparatos e instrumentos
AB This paper investigates the design of a thermoelectric generator for exhaust gases from internal combustion engines. Experimentally validated CFD methodology was employed. Different issues are studied, such as the influence of the replacement of the exhaust pipe for the TEG, the recirculation produced, and the influence of fins. The results show that an enlarged inlet cone reduces the recirculation and the pressure drop of the TEG, but more heat is lost across the cone walls, reducing the heat available for the thermoelectric modules. Internal straight fins aligned with the flow achieved a 3% increase in heat transfer, did not significantly increase the pressure drop in this type of device, and reduced the effects on pressure of the recirculation, lowering the overall pressure drop by 10%. An energy production of 175.9 W with 16.2 W of pressure drop power losses resulted in a net energy production of 160.7 W. A comparison with a flat-type thermoelectric generator under the same hot source conditions is also provided.
PB MDPI
YR 2023
FD 2023-05-04
LK https://hdl.handle.net/10630/27034
UL https://hdl.handle.net/10630/27034
LA eng
NO Fernández-Yáñez P, Jarama J, Martos FJ, Armas O. Heat Transfer in Thermoelectric Generators for Waste Energy Recovery in Piston Engines. Applied Sciences. 2023; 13(9):5647. https://doi.org/10.3390/app13095647
NO This research was funded by Spanish Ministry of Science, Innovation and Universities, grant number RTI2018-095923-B-C21 (project RECUPERA).Partial funding for open access charge: Universidad de Málaga
DS RIUMA. Repositorio Institucional de la Universidad de Málaga
RD 19 ene 2026