Realization of EGR for a turbocharged diesel engine

摘要

Turbocharging with the addition of exhaust Gas Recirculation (EGR) is considered as an effective measure to meet strict regulations in near future, but there are problems in obtaining the required EGR rations at higher loads for turbocharged diesel engines. In this paper, three new EGR systems are introduced that will make effective use of pressure waves in intake and exhaust manifolds. The simulations of the EGR sys- tems and some experiments for validating the simulation model have been made. The simulation results show that a large amount of EGR can be achieved at higher engine loads and even at full engine loads by using these EGR systems.