Investigating the Impact of EGR on Performance and Emissions in a CI Engine Using Diesel and Jatropha Oil Biodiesel Blends

Authors

  • Dr. SRINIVASULU PULLURU, K. SATHEESH KUMAR, KRISHNA MURTHY UPPULA, MANDALA VENKATESH, DAMERA SRILATHA

Keywords:

Diesel, sustainability, Alternate fuels, emissions, exhaust gas recirculation etc.

Abstract

This study systematically investigates the effects of Exhaust Gas Recirculation (EGR) on the performance and emissions of a compression ignition (CI) engine fueled with diesel and various blends of Jatropha oil biodiesel. EGR is employed to reduce nitrogen oxide (NOx) emissions and improve combustion efficiency. The research involves experimental analysis under different EGR rates and engine operating conditions. Performance metrics such as brake power, torque, and thermal efficiency are evaluated alongside emissions data, including NOx, carbon monoxide (CO), and unburned hydrocarbons (UHC). The results demonstrate that optimal EGR levels can enhance the performance of CI engines while significantly reducing harmful emissions, particularly when using Jatropha oil biodiesel blends. This study contributes to the ongoing efforts in promoting sustainable biofuels and optimizing CI engine performance, highlighting the potential of EGR as an effective strategy for improving the environmental footprint of biodiesel-powered engines.

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