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DYNA
versión impresa ISSN 0012-7353versión On-line ISSN 2346-2183
Resumen
OLIVEIRA MARAN, Anderson Luis; GUERRERO-MARTIN, Camilo; MONTES-PAEZ, Erik y ANDO JUNIOR, Oswaldo Hideo. Modelling and simulation of a thermoelectric waste heat recovery system - TWRHS. Dyna rev.fac.nac.minas [online]. 2021, vol.88, n.217, pp.265-272. Epub 23-Nov-2021. ISSN 0012-7353. https://doi.org/10.15446/dyna.v88n217.94431.
The thermoelectric effect allows the direct conversion of thermal energy into electrical energy without the need for moving parts and its applications are endless, with only the availability of a temperature gradient. Combustion vehicles generate energy losses of up to 62% and it is estimated that efficiency with thermoelectric generators can be increased by up to 8%. In this work we propose a system of waste heat from exhaust gases from the thermoelectric effect. A computational model was developed using the finite element method. Based on the simulations, a set of curves of electrical variables can be made as a function of temperature. There is a good correlation between the model and datasheet data. Based on the modeled system, it was possible to evaluate a generation system with the generation of up to 120W with 5.8% efficiency, representing an increase of up to 3% in overall efficiency.
Palabras clave : thermoelectricity; residual heat; modeling; simulation; finite elements.