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Simulation and Experimental Study on Turbocharged Inter-Cooled Diesel Engine with Exhaust Gas Recirculation

Kunpeng Zhang

Open publisher page 6 citations

Abstract

Established one-dimensional thermodynamic model for a turbocharged inter-cooled diesel engine with exhaust gas recirculation(EGR) system,the numerical simulation was carried out.Comparison of simulated and experimental results shows that both are consistent,error is in reasonable scope.On this basis,the influences of EGR on engine power output,specific fuel consumption and emissions were studied for different operating conditions,and the EGR system was optimized according to comprehensive performance of the engine to obtain ideal EGR control MAP.Experimental results on the platform built based on simulated results show that the soot and NOx emissions according to 13 model cycle are 3.0g/(kW·h) and 0.45 g/(kW·h) respectively,satisfying Euro Ⅳ emission standards.

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What this paper is about

Established one-dimensional thermodynamic model for a turbocharged inter-cooled diesel engine with exhaust gas recirculation(EGR) system,the numerical simulation was carried out.Comparison of simulated and experimental results shows that both are consistent,error is in reasonable scope.On this basis,the influences of EGR on engine power output,specific fuel consumption and emissions were studied for different operating conditions,and the EGR system was optimized according to comprehensive performance of the engine to obtain ideal EGR control MAP.Experimental results on the platform built based on simulated results show that the soot and NOx emissions according to 13 model cycle are 3.0g/(kW·h) and 0.45 g/(kW·h) respectively,satisfying Euro Ⅳ emission standards.

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Available abstract

Established one-dimensional thermodynamic model for a turbocharged inter-cooled diesel engine with exhaust gas recirculation(EGR) system,the numerical simulation was carried out.Comparison of simulated and experimental results shows that both are consistent,error is in reasonable scope.On this basis,the influences of EGR on engine power output,specific fuel consumption and emissions were studied for different operating conditions,and the EGR system was optimized according to comprehensive performance of the engine to obtain ideal EGR control MAP.Experimental results on the platform built based on simulated results show that the soot and NOx emissions according to 13 model cycle are 3.0g/(kW·h) and 0.45 g/(kW·h) respectively,satisfying Euro Ⅳ emission standards.

Key concepts: Turbocharger, Exhaust gas recirculation, Automotive engineering, Diesel engine, Gas engine, NOx, Exhaust gas, Environmental science

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Simulation and Experimental Study on Turbocharged Inter-Cooled Diesel Engine with Exhaust Gas Recirculation — Research Paper | ScholarLens