Simulating a Homogeneous Charge Compression Ignition engine fuelled with a DEE/EtOH blend
作者： Sebastian Mosbach , Markus Kraft , Amit Bhave , Fabian Mauss , J. Hunter Mack
DOI: 10.4271/2006-01-1362
关键词: Convective heat transfer 、 Diesel engine 、 Combustion 、 Carbureted compression ignition model engine 、 Diethyl ether 、 Chemistry 、 Thermodynamics 、 Homogeneous charge compression ignition 、 Automotive engineering 、 Ignition timing 、 Compression ratio
摘要: We numerically simulate a Homogeneous Charge Compression Ignition (HCCI) engine fuelled with blend of ethanol and diethyl ether by means stochastic reactor model (SRM). A 1D CFD code is employed to calculate gas flow through the engine, whilst SRM accounts for combustion convective heat transfer. The results our simulations are compared experimental measurements obtained using Caterpillar CAT3401 single-cylinder Diesel modified HCCI operation. consider emissions CO, CO2 unburnt hydrocarbons as functions crank angle at 50% release. In addition, we establish dependence ignition timing, duration, on mixture ratio two fuel components. Good qualitative agreement found between computations available data. performed numerical predict that addition neither spreads out nor lowers light-off temperatures significantly, both in accordance observations.
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