Abstract
This paper presents a mathematical model that calculates aldehyde emissions in the exhaust of a spark ignition engine fueled with ethanol. The numerical model for aldehyde emissions was developed using FORTRAN software, with the input data obtained from a dedicated engine cycle simulation software, AVL BOOST. The model calculates formaldehyde and acetaldehyde emissions, formed from the partial oxidation of methane, ethane and unburned ethanol. The calculated values were compared with experimental data obtained by Fourier Transform Infrared Spectroscopy (FTIR). The experiments were performed with a mid-size sedan powered by a 1.4-liter spark ignition engine on a chassis dynamometer. In general, the results demonstrate that the concentrations of aldehydes and the source elements increased with engine speed and exhaust gas temperature. A reasonable agreement between simulated and measured values was achieved.
| Original language | English |
|---|---|
| Article number | 032023 |
| Journal | Journal of Physics: Conference Series |
| Volume | 745 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 21 Oct 2016 |
| Event | 7th European Thermal-Sciences Conference, Eurotherm 2016 - Krakow, Poland Duration: 19 Jun 2016 → 23 Jun 2016 |
Bibliographical note
Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.Funding
The authors thank CAPES, CNPq research project number 304114/2013-8, FAPEMIG research projects number TEC PPM 00136-13, TEC PPM 00385-15 and TEC BDP 00309-13, and VALE/FAPEMIG research project number TEC RDP 00198-10 for the financial support to this project. Thanks are also due to FIAT-Chrysler Latin America and AVL.
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