Dissertation
Dissertation > Industrial Technology > Energy and Power Engineering > Internal combustion engine > General issues > Theory

Experimental Study on Ethanol Gasoline Homogeneous Charge Compression Ignition Combustion Characteristics

Author WangYanQing
Tutor ZhangJiPeng
School Jilin University
Course Power Machinery and Engineering
Keywords Rapid Compression Ethanol gasoline E10 HCCI Combustion Burning Characteristics
CLC TK401
Type Master's thesis
Year 2007
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With the development of the world economy , more and more human energy demand , limited oil resources has failed to meet human needs , the development and use of alternative fuels by the attention of the world . Ethanol as a renewable energy in line with the sustainable development of strategic thinking . With increasingly stringent engine emissions regulations and the increasingly high demand on the economy of the engine , HCCI combustion technology has aroused concern at the potential of the internal combustion engine to save energy and reduce emissions . For these reasons this article fast compressor on PRF90 and E10 the HCCI combustion test . By changing the E10 and PRF90 the intake air temperature and excess air ratio , studied both fuel under different boundary conditions , HCCI combustion pressure , rate of pressure rise , heat release rate , combustion temperature , combustion starting point and combustion duration variation . And compared under the same boundary conditions E10 and PRF90 of combustion characteristics , obtained after the addition of 10% ethanol combustion characteristics . Combined with chemical kinetics basics and test fuel oxidation mechanism of the test results were analyzed and excess air ratio has significant effect on the combustion characteristics ; intake air temperature is only a starting point of combustion affect other characteristics relatively ; joining the starting point of the influence of 10% ethanol on the combustion obviously, the larger the impact of the combustion duration , rise rate of the combustion pressure , temperature, pressure , heat release rate was less affected .

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