Diesel engine downsizing with application of biofuels

Tan, Xian and Azimov, Ulugbek (2017) Diesel engine downsizing with application of biofuels. International Journal of Energy and Environment, 8 (5). pp. 413-426. ISSN 2076-2895

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In this study, we have developed an optimization procedure for diesel engine downsizing with application of biofuels. The analysis was performed using the specialist thermodynamic software to simulate combustion and emission characteristics of an internal combustion engine. A JCB 165 kW Diesel Max commercial nonroad diesel engine has been selected for the project. The performance characteristics of this engine were set as reference. The results for the original engine and downsized engine were compared. The engine performance and emission characteristics with diesel fuel, different blends of soybean methyl ester (SME) and rapeseed methyl ester (RME) have been investigated. The obtained results showed that it was possible to achieve equal level of break power and torque for 50%-downsized engine as compared with those of the original engine. The results over different engine speeds and loads showed around 4-11% reduction range in fuel consumption, 4-11% reduction range in CO2 emissions and about 86-99% reduction range in PM emissions. However, the NOx emissions significantly increased. Further to decrease NOx emission level the exhaust gas recirculation (EGR) was applied.

Item Type: Article
Uncontrolled Keywords: Engine downsizing; Multiparametric optimization; Biodiesel; Engine performance; Engine emissions
Subjects: H800 Chemical, Process and Energy Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Becky Skoyles
Date Deposited: 03 Oct 2017 08:29
Last Modified: 04 Oct 2017 07:03
URI: http://nrl.northumbria.ac.uk/id/eprint/32246

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