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Computational Investigation of Film-Space Atomization Combustion in D.I. Diesel Engines
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English
Abstract
A multi-zone mathematical model of film-space atomization combustion in direct injection diesel engines is presented, which consists of a submodel of evaporation and combustion of the fuel film sprayed on the combustion chamber wall and a submodel of atomization combustion of the fuel sprayed in combustion chamber space. The fuel film sprayed on the combustion chamber wall is divided into many subzones and the fuel sprayed in the combustion chamber space is considered as one subzone. The submodels are combined through the conservation of the energy and mass in the full film-space atomization combustion system, and an overall system of differential equations are given. The initial and boundary conditions are resulted from the experiments on diesel engines. By means of the model, the film-space atomization combustion processes in 6E150 diesel engine are investigated quantitatively. The comparison between the calculated results of the model and the experimental data is satisfactory.
Authors
- Liu Zhengbai - Research Institute of Internal Combustion Engine Dalian University of Technology Dalian, China
- Huang Xingcun - Research Institute of Internal Combustion Engine Dalian University of Technology Dalian, China
- Zhou Jingwei - Research Institute of Internal Combustion Engine Dalian University of Technology Dalian, China
- Li Yueshang - Research Institute of Internal Combustion Engine Dalian University of Technology Dalian, China
Topic
Citation
Zhengbai, L., Xingcun, H., Jingwei, Z., and Yueshang, L., "Computational Investigation of Film-Space Atomization Combustion in D.I. Diesel Engines," SAE Technical Paper 891916, 1989, https://doi.org/10.4271/891916.Also In
References
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