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Frontiers in Energy

Front. Energy    2010, Vol. 4 Issue (3) : 392-401     DOI: 10.1007/s11708-009-0066-1
Research articles |
Effect of heat transfer space non-uniformity of combustion chamber components on in-cylinder heat transfer in diesel engine
Jizu LV1,Minli BAI1,Long ZHOU1,Jian ZHOU2,
1.School of Energy and Power Engineering, Dalian University of Technology, Dalian 116024, China; 2.LTD No.2 Vehicle Quality Department, Guangzhou Honda Automobile CO., Guangzhou 511338, China;
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Abstract Combustion chamber components (cylinder head-cylinder liner-piston assembly-oil film) were treated as a coupled body. Based on the three-dimensional numerical simulation of the heat transfer of the coupled body, a coupled three-dimensional calculation model for the in-cylinder working process and the combustion chamber components was built with domain decomposition and boundary coupling method, which adopts the coupled three-dimensional simulation of in-cylinder working process and the combustion chamber components. The model was applied in the investigation of the influence of space non-uniformity in heat transfer among combustion chamber components on in-cylinder heat transfer. The results show that the effect of wall temperature space non-uniform distribution of combustion chamber components on heat transfer happens mainly at the end of the compression stroke and expansion stroke. Therefore, it can be concluded that wall temperature space non-uniform distribution of combustion chamber components would influence heat transfer during the intake and exhaust stroke obviously.
Keywords heat transfer      space non-uniformity      soot emission      in-cylinder      diesel      
Issue Date: 05 September 2010
 Cite this article:   
Jizu LV,Long ZHOU,Minli BAI, et al. Effect of heat transfer space non-uniformity of combustion chamber components on in-cylinder heat transfer in diesel engine[J]. Front. Energy, 2010, 4(3): 392-401.
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Jizu LV
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