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Effects of In-Cylinder Flow and Stratified Mixture on HCCI Combustion in High Load
Technical Paper
2018-32-0016
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The purpose of this paper is to find a way to extend the high load limit of
homogeneous charge compression ignition (HCCI) combustion. This paper presents
the effect of in-cylinder flow and stratified mixture on HCCI combustion by
experiments and three-dimensional computer fluid dynamics coupled with a
detailed chemical reaction calculation. The first study was conducted using a
rapid compression and expansion machine (RCEM) equipped with a flow generation
plate to create in-cylinder turbulent flow and with a control unit of
in-cylinder wall temperature to create in-cylinder temperature distribution. The
study assesses the effect of the turbulent flow and the temperature distribution
on HCCI combustion. In the second study, the numerical simulation of HCCI
combustion was conducted using large eddy simulation coupled with a detailed
chemical reaction calculation. The study analyzes the interaction between
in-cylinder turbulent flow and mixture distribution and HCCI combustion. The
result shows that turbulent flow effects a change in the distribution of
chemical species which is a trigger of combustion initiation.
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Yoshimura, K., Watanabe, S., Ogawa, K., Kuboyama, T. et al., "Effects of In-Cylinder Flow and Stratified Mixture on HCCI Combustion in High Load," SAE Technical Paper 2018-32-0016, 2018, https://doi.org/10.4271/2018-32-0016.Data Sets - Support Documents
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