Tesis
Análisis de emisiones de escape del motor de encendido provocado de vehículo del segmento a, en condiciones de simulación de ciclo estándar de conducción en ciudades de altura
Fecha
2021-11-24Registro en:
Molina López, Jorge Oswaldo. (2021). Análisis de emisiones de escape del motor de encendido provocado de vehículo del segmento a, en condiciones de simulación de ciclo estándar de conducción en ciudades de altura. Escuela Superior Politécnica de Chimborazo. Riobamba.
Autor
Molina López, Jorge Oswaldo
Resumen
Based on previous studies of gas emissions worldwide, this project aimed to analyze the
emission factors originated by Super and Extra fuels in the best-selling brand in the Sierra
region 2019 Kia Picanto vehicle. It was tested in a dynamometer (DYNOCOM) under the
IM240 driving simulation characteristics. The MAHA gas analyzer and a LIQUI MOLY
pressurized container were also used to evaluate the performance and contamination margin
to evaluate which fuel has the highest percentage of contamination and which has the best
performance under the altitude condition 2754 meters above sea level in the city of
Riobamba. Once the CO, HC, and NOx emission factors for each fuel (g/km) were estimated.
The STATGRAPHICS software performed the statistical analysis, and with the analysis of
variance (ANOVA) and the least significant difference procedure (LSD), Fisher's determined
a representative difference in CO generation for both fuels. But with similar behavior for HC
and NOx at a 95% confidence level. It concluded that the usage of Super fuel reduces the CO
emission value by 30% compared to Extra, whose average amounts of emission factors are
FCO 3.32 g/km, FHC 0.08 g/km, and FNOx 2.25 g/km. In the case of Extra fuel, the values
are FCO 4.80 g/km, FHC 0.10 g/km, and FNOx 2.24 g/km. In addition, the performance of
the operating liquid is more efficient with the Super fuel, with an additional 11% in its
autonomy, as it is of better quality. It is recommended the creation of an inventory of
emissions carried out under Ecuador's control standards because of the lack of a database for
this analysis.