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Design and Experiment Research on EGR of Vehicle Turbocharged Swirl-chamber Diesel Engine

Zhou Ping

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Abstract

An EGR system is designed and machined for reducing NO_x emission of vehicle turbocharged swirl-chamber diesel engine.The EGR mechanical part is optimized using AVL BOOST software.Experiments are carried out on the engine.The results show that NO_x emission is reduced obviously and the specific fuel consumption increases slightly at reasonable EGR ratios.It proves the EGR system design and operation is available.

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What this paper is about

An EGR system is designed and machined for reducing NO_x emission of vehicle turbocharged swirl-chamber diesel engine.The EGR mechanical part is optimized using AVL BOOST software.Experiments are carried out on the engine.The results show that NO_x emission is reduced obviously and the specific fuel consumption increases slightly at reasonable EGR ratios.It proves the EGR system design and operation is available.

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Available abstract

An EGR system is designed and machined for reducing NO_x emission of vehicle turbocharged swirl-chamber diesel engine.The EGR mechanical part is optimized using AVL BOOST software.Experiments are carried out on the engine.The results show that NO_x emission is reduced obviously and the specific fuel consumption increases slightly at reasonable EGR ratios.It proves the EGR system design and operation is available.

Key concepts: Turbocharger, Automotive engineering, Diesel engine, Fuel efficiency, Exhaust gas recirculation, Diesel fuel, Thrust specific fuel consumption, Environmental science

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