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Exhaust Gas Recirculation- A Review




Exhaust Gas Recirculation (EGR), Diesel Engines, Nox Emissions, Exhaust Heat, Gasoline, Palm Oil, Jatropha Oil


Exhaust gas emission systems also called in short as EGR now-a-days have been commercialized as a NOx reduction method for a wide range of diesel engines. In internal combustion engines EGR is a nitrogen oxide (NOx) emissions reduction technique used in petrol/gasoline and diesel engines. EGR works by recirculating a portion of an engine's exhaust gas back to the engine cylinders [1]. This dilutes the O2 in the incoming air stream and provides gases inert to combustion to act as absorbents of combustion heat to reduce peak in-cylinder temperatures. NOx is produced in a narrow band of high cylinder temperatures and pressures. A number of considerations must be taken into account when designing EGR systems including: deposit accumulation, contaminants, engine lubricant, system packaging and more.

Other Details

Paper ID: IJSRDV5I41079
Published in: Volume : 5, Issue : 4
Publication Date: 01/07/2017
Page(s): 1182-1183

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