A Review on the Advances in Design of Exhaust Gas Recirculation (EGR) for Diesel Engine

Diesel engine is one of the enormously used technologies in mobile and stationary application.

Although, this enormous use boomed the economic development but it also caused serious

environmental hazards. Diesel engine uses combustion phenomenon that gives birth to

SOX, NOX, soot particles and other dangerous compounds. Exhaust Gas Recirculation (EGR)

technology was developed to control the emission of NOX. EGR technology today is not as

it was a few decades ago. It evolved with the passage of time. The study of evolution in previous

two and half decades is the scope of this review paper. Work on the control and sensing technology

is also discussed but major scope of this paper is to review advances in EGR technology from

mechanical perspective. Addition of new components along the timeline in the choronological

sequence is briefly described. An effort is made to gauge the work in different areas and to

direct future work to improve EGR technology.

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