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| Analysis on Combustion Flame of a Stirling Engine by Using Ethanol as Fuel |
| ZHOU Xiao-Li, CHEN Xiao-Ling, ZHANG Wu-Gao, YU Chao |
| （Key Laboratory for Power Machinery and Engineering of the Ministry of Education, Shanghai Jiaotong University, Shanghai 200240, China） |
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Abstract The performance of a Stirling engine is closely related with the quality of combustion. Visual test bench is adopted, by using a highspeed camera to photograph combustion flame, the effect of gas ejector on the stability and the shape of ethanol flame was analyzed. According to the relationship between RGB and combustion mode in different ways, the change of combustion mode when ejected air is participating in combustion was studied. The results show that, with suitable amount of ejecting air, the stability of the flame is improved apparently, and the length of the flame is shortened, the fullness of the flame is increased significantly, and the mode of combustion becomes half premixed and halfdiffusion combustion.
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Received: 12 September 2012
Published: 28 April 2013
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