2011•Unpublished venueRequires access

Design of EGR System for Turbocharged Diesel Engine

Wei Tian

Abstract

In order to reduce NOx emissions of Turbo-charged diesel engine,a EGR(Exhaust Gas Recirculation) system for turbo-charged diesel engine is designed.In this paper,the main components of the EGR system such as Venturi tube,EGR-cooler,EGR valve and bypass valve are designed as well.The calculating result of EGR system shows that the maximum EGR rate can reach 40% or more and the cooling temperature of EGR system can be reduced to 130 ℃ or below.

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Key concepts: Turbocharger, Exhaust gas recirculation, Diesel engine, Venturi effect, Automotive engineering, Environmental science, Diesel fuel, Turbo