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Integrated System Simulation for Turbocharged IC Engines
ISSN: 0148-7191, e-ISSN: 2688-3627
Published June 23, 2008 by SAE International in United States
Annotation ability available
An integrated simulation platform for turbocharged internal combustion engines has been developed. Multi-dimensional computational fluid dynamic (CFD) codes are integrated into the system to model the turbocharging circuit, gas circuit, in-cylinder circuit, coolant and oil circuits. As the turbocharger is a critical factor for the IC engine, a turbocharger through-flow model based on mass, momentum, and energy conservation equations has been developed and added in the integrated platform. Compared with the traditional MAP method, the through-flow model can solve the problems of transient matching and lack of numerous experimental maps during the pre-prototype engine design. Partial systems in the integrated platform, such as the in-cylinder flow and combustion circuit, can be modeled by 3-D CFD codes for the investigation of the detailed flow patterns. The data exchange between different software modules is steered by a vehicle simulation code which is also used to determine the operating and load conditions of the engine. The platform was validated using experimental data and the analysis of a turbocharged diesel engine's thermal performance was conducted. The total fuel energy distribution was listed to observe the energy conversion, control and utilization at the engine system level.
CitationChen, T., Zhang, Y., Zhuge, W., and Yan, X., "Integrated System Simulation for Turbocharged IC Engines," SAE Technical Paper 2008-01-1640, 2008, https://doi.org/10.4271/2008-01-1640.
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