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Reduction in Exhaust Gas Temperature of Biodiesel Fueled Engine by Exhaust Gas Recirculation
Author(s) -
Ramadhas Arumugam Sakunthalai,
Muraleedharan Chandrasekaran,
Jayaraj Simon
Publication year - 2008
Publication title -
clean – soil, air, water
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.444
H-Index - 66
eISSN - 1863-0669
pISSN - 1863-0650
DOI - 10.1002/clen.200800108
Subject(s) - exhaust gas recirculation , diesel engine , exhaust gas , biodiesel , diesel exhaust , combustion , environmental science , secondary air injection , diesel fuel , thermal efficiency , combustion chamber , waste management , internal combustion engine , nox , automotive engineering , chemistry , engineering , biochemistry , organic chemistry , catalysis
Biodiesel is a renewable alternative fuel that can be used as substitute for mineral diesel. The use of biodiesel in diesel engines reduces all of the exhaust emissions expect NO x . The higher temperature in the combustion chamber increases the NO x emissions. The recirculation of a small percentage of cooled exhaust gases into the combustion chamber through the intake manifold reduces the in‐cylinder temperature. Moreover, the cooling of exhaust gases before mixing with fresh air introduced to the engine does not affect its volumetric efficiency but it absorbs the heat of combustion. This leads to a reduction in NO x emissions and improves the engine brake thermal efficiency. This paper describes the investigation of the performance and emission characteristics of a biodiesel‐fueled, naturally aspirated, single cylinder diesel engine with cooled exhaust gas recirculation.