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3D Modeling of Particulate Matter from Spark Ignition Engines

Journal Article
2015-01-0391
ISSN: 1946-3936, e-ISSN: 1946-3944
DOI: https://doi.org/10.4271/2015-01-0391
Published April 14, 2015 by SAE International in United States
3D Modeling of Particulate Matter from Spark Ignition Engines
Sector:
Citation: Sukegawa, Y. and Oryoji, K., "3D Modeling of Particulate Matter from Spark Ignition Engines," SAE Int. J. Engines 8(2):419-425, 2015, https://doi.org/10.4271/2015-01-0391.
Language: English

Abstract:

A 3D simulation technique to estimate density of particulate matter (PM) from spark ignition (SI) gasoline engines is proposed. The technique is based on a two-equation model consisting of coupled conservation equations of soot particle number and mass and fluid transportation equations.
The nucleation rate of soot particles was obtained from a database built by simulation of elementary reaction with the proposed technique. Two approaches were explored to obtain the nucleation rate. One involves 0-dimensinal SI simulation and the other involves 1-dimensinal flame propagation simulation.
The estimation results were verified with measurement data obtained with a single cylinder SI engine a homogeneous pre-mixed fuel was supplied. It was confirmed that appropriate results could be obtained with the 1-dimensional approach for the nucleation rate model.

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