Multi-objective optimization of a V6 3.0L diesel engine for automotive applications, using GT-SUITE and modeFRONTIER

Author: 
Giorgio Buccilli, Andrea Bedogni, Francesco Franchini - Gamma Technologies-EnginSoft

CHALLENGE - This study investigates the influence of several engine design parameters on engine performance in terms of Time to Torque (TtT), Brake Specific Fuel Consumption (BSFC) and Air/Fuel ratio, for different turbocharger and intercooler (air-to-air or air-to-liquid) layouts.

SOLUTION - The proposed optimization methodology is applied to a V6 3.0L diesel engine for automotive applications​. GT-SUITE, a multi-physics system simulation software, is run to simulate the engine performance. DOE and multi-objective optimization is then run in optimization software modeFRONTIER. There were 8 concurrent engine configurations and runs are distributed on 4 core hardware machines​.

BENEFITS - The optimal engine configuration is found at a 52% shorter Time to Torque at 1500 rpm. The coupling of GT-SUITE and modeFRONTIER result in significantly improved engine performance, along with the choice of the optimal engine configuration, turbochargers and intercooler layout.

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