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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:LvJiZhu,BAI Min-li,ZhouLong.Study on effect of heat transfer space non-uniformity of combustion chamber components on in-cylinder NOx emission formation in internal combustion engine[J].Journal of Harbin Institute Of Technology(New Series),2011,18(4):56-62.DOI:10.11916/j.issn.1005-9113.2011.04.012.
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Study on effect of heat transfer space non-uniformity of combustion chamber components on in-cylinder NOx emission formation in internal combustion engine
Author NameAffiliation
LvJiZhu School of Energy and Power Engineering,Dalian University of Technology,Dalian 116024,China 
BAI Min-li School of Energy and Power Engineering,Dalian University of Technology,Dalian 116024,China 
ZhouLong School of Energy and Power Engineering,Dalian University of Technology,Dalian 116024,China 
Abstract:
The components of combustion chamber (cylinder head-cylinder liner-piston assembly-oil film) were taken as a coupled body.Based on the three-dimensional heat transfer numerical simulation of the coupled body,a coupled three-dimensional calculation model for in-cylinder working process and the combustion chamber components was built with domain decomposition and boundary coupled method,which implements the coupled three-dimensional simulation of in-cylinder working process and the combustion chamber components.The model was applied in the influence investigation of the space non-uniformity in heat transfer among combustion chamber components on the generation of in-cylinder emissions:NOx.The results showed that the heat transfer space non-uniformity of combustion chamber components directly influences the formation of in-cylinder NOx.The main area being influenced was the accessory area on the wall,while the influence on the generation of NOx in the central area couold be omitted.
Key words:  Heat transfer  space non-uniformity  NOx emission  in-cylinder  diesel
DOI：10.11916/j.issn.1005-9113.2011.04.012
Clc Number:TK401
Fund:

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