Browse Publications Technical Papers 2018-32-0013
2018-10-30

Performance Assessment of Fuel System for a Single Cylinder Engine using SI Turbulent Combustion Modeling and 3D CFD Simulation 2018-32-0013

This paper demonstrates the use of engine 1D simulation and 3D CFD simulation in assessing the performance of the single cylinder engine. The main objective of the current work to develop fuel system for the engine in succession to improve the combustion quality, performance and emission of the engine. To achieve these tasks, firstly fuel supply system components were analyzed to investigate the combustion parametersthat influence the engine combustion quality. Secondly, precise flow phenomena in fuel supply system, which regulate the flow patterns and air fuel mixture formation in the intake port and the combustion chamber were principally analyzed using 3D CFD ANSYS Forte. The engine were premixed with propane fuel and the in cylinder combustion process was modeled using G-equation model. In the current investigation, SI Turbulent predictive combustion model is used in the GT power 1D model which is based on the eddy burn rate combustion model. Realistic boundary conditions for the combustion model are obtained from the 1D modeling. Combustion parameter such as turbulence intensity, length scale on the calculation of turbulent flame speed and the Taylor micro-scale length were predicted from the 3D CFD model and experimental data.

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