Journal
MATERIALS TODAY-PROCEEDINGS
Volume 46, Issue -, Pages 4720-4727Publisher
ELSEVIER
DOI: 10.1016/j.matpr.2020.10.303
Keywords
Diesel engine; Karanja biodiesel; Performance; Emission; EGR; Cooled EGR
Categories
Funding
- Amrita Automotive Research and Technology Centre (AARTC) , Coimbatore, Tamilnadu, India
- DST-FIST
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This passage discusses the impact of environmental degradation due to automotive exhaust emissions on the evolution of pollution control technologies, as well as a study on the effects of different EGR cooling temperatures on the performance and emissions characteristics of diesel and biodiesel blends.
The biggest concern of environment degradation due to automotive exhaust emissions is a key factor in the evolution of newer after treatment technologies. Government and legislative bodies have tightened the emission norms in order to control the emissions which includes NOx, CO, HC and Soot. In order to control NOx emissions from engines, various techniques such as retarded injection timing, SCR, Exhaust Gas Recirculation (EGR) etc. have been tried. EGR proves to be an effectual technique of reducing NOx levels and is used in most gasoline and diesel engines. Exhaust gas recirculation can reduce the NOx emission considerably, specifically when EGR cooler is used. In this work, effect of various temperature of cooled EGR on the performance and emission characteristics with diesel and Diesel-Karanja bio-diesel blend (80%-20%) are studied. An additional cooling circuit used to control and vary the inlet temperature of coolant flowing through the EGR cooler and a research ECU is used to control the EGR rate. For both diesel and biodiesel blends, as the EGR coolant temperature decreases PM level reduces and is found to be minimum with 15% EGR and 20celcius EGR coolant inlet temperature. However, it increases HC emissions and has no any significant effect on NO emissions. (c) 2020 Elsevier Ltd. Selection and peer-review under responsibility of the scientific committee of the International Conference on Advances in Materials and Manufacturing Applications.
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