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A Numerical Prediction Method for the Auto-Ignition Process in a Homogeneous Charge Compression Ignition Engine
Technical Paper
2003-01-1818
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
An auto-ignition process in a homogeneous charge compression ignition engine has been numerically solved by the Very Large Eddy Simulation (VLES) which integrates a reduced kinetic model for the low temperature oxidation of hydrocarbon fuels. We employ a new method to set the initial turbulent velocity field, reforming the velocity field so that the turbulence dissipation process may fit the results of the K-ε model simulation. The phase-averaged quantities of the VLES agree well with those of the K-ε model simulation. The VLES exhibits the spatially random appearance of auto-ignition sites, which is similar to experimental observations shown in the reference literature.
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Citation
Saijyo, K., Nishiwaki, K., and Yoshihara, Y., "A Numerical Prediction Method for the Auto-Ignition Process in a Homogeneous Charge Compression Ignition Engine," SAE Technical Paper 2003-01-1818, 2003, https://doi.org/10.4271/2003-01-1818.Also In
Premixed Charge Ci Engines & Diesel Spray & Mixture Formation
Number: SP-1794; Published: 2003-06-24
Number: SP-1794; Published: 2003-06-24
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