IJERT-EMS
IJERT-EMS

Optimization of EGR Rate on multi cylinders 4-stroke diesel engine


Optimization of EGR Rate on multi cylinders 4-stroke diesel engine
Authors : Mukesh Rameshbhai Zala
Publication Date: 30-06-2012

Authors

Author(s):  Mukesh Rameshbhai Zala

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Vol.1 - Issue 4 (June- 2012)

e-ISSN:   2278-0181

Abstract

The objective of this project is to check the effects of Exhaust Gas Recirculation on the performance & emissions of a diesel engine .This paper investigates the effects of Exhaust Gas Recirculation on the performance of a diesel engine in terms of fuel consumption, thermal efficiency, as well as HC, CO, and NOx emissions. For this aim, a naturally aspirated four-stroke direct injection diesel engine was tested with diesel fuel, at different loading conditions from no load to full load condition at the constant speed1500 rpm and at different EGR Rates from 10% to 40%. The evaluation of experimental data showed that NOx emission was reduced by about 80% because of EGR. However, it was observed that emissions of CO & HC were higher than those in the operations with diesel fuel, without EGR. A slight decrease in brake thermal efficiency was also noticed because of EGR. This study reveals that Exhaust Gas Recirculation is an effective way to reduce NOx emission if used with proper after treatment of exhaust gas to limit the drawbacks associated with EGR.

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