Abstract
Energy safety concern and depletion of fossil fuel resources lead towards the investigation of an efficient and clean alternative combustion strategy as well as renewable biofuels. Homogeneous charge compression ignition (HCCI) engine has demonstrated the potential for higher thermal efficiency along with simultaneous reduction of NO x and PM emissions to ultra-low level. Syngas is a potential alternative fuel. Syngas-fueled HCCI engine combines the advantages of advanced combustion strategy and biofuels. This chapter provides the overview of HCCI combustion and its chemical kinetic simulation using stochastic reactor model (SRM). This chapter also presents the comparative analysis of performance of various syngas reaction mechanisms in the HCCI engine at different inlet temperature and equivalence ratio using stochastic reactor model. For validating the reaction mechanisms, experimental in-cylinder pressure data is compared with the numerically simulated data. Syngas reaction mechanism CRECK-2014 (consisting of 32 species and 173 reactions) is found suitable for syngas-fueled HCCI combustion simulation.
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