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Experimental Study of Ignition and Flame Characteristics of Surrogate of Cracked Hydrocarbon Fuels in Supersonic Crossflow
Cheng LW; Zhong FQ(仲峰泉); Wang ZP; Gu HB(顾洪斌); Ma SG(马素刚); Zhang XY(张新宇); Zhong, Fengquan(fzhong@imech.ac.cn)
会议录名称21st AIAA International Space Planes and Hypersonics Technologies Conference, Hypersonics 2017
2017
会议名称21st AIAA International Space Planes and Hypersonics Technologies Conference
会议日期6-9 March 2017
会议地点Xiamen, China
摘要The ignition and flame characteristics of ethylene and blend fuel (surrogate of thermal cracked kerosene) are studied experimentally on a direct-connect supersonic combustor facility. The blend fuel consists of H2, CH4, C2H4, C2H6, C3H6and C3H8with molar fractions according to the result of gaseous compositions of thermal cracked kerosene. CH* luminance in the combustion is filmed by a high-speed camera, and unsteady process of ignition as well as flame formation and proportion is captured. Meanwhile the image of CH* luminance is one-dimensional treated along the axis of combustor and the relative amount of heat release rate of combustion is obtained. The experimental results show that with equivalence ratio increasing the flame of ethylene is changed from the cavity stabilization mode to the jet-wake stabilization mode and the combustion efficiency increases. In contrast, the total heat release and combustion efficiency of the blended fuel decrease. 漏 2017, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.
关键词Combustors Cracks Diesel Engines Efficiency Ethylene Fighter Aircraft Fuels High Speed Cameras Ignition Kerosene Luminance Spacecraft Stabilization
ISBN号978-1-62410-463-3
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收录类别EI
语种英语
文献类型会议论文
条目标识符http://dspace.imech.ac.cn/handle/311007/72187
专题高温气体动力学国家重点实验室
通讯作者Zhong, Fengquan(fzhong@imech.ac.cn)
作者单位1. State Key Laboratory of High Temperature Gas Dynamics, Institute of Mechanics, Chinese Academy of Sciences, Beijing
2.190, China (2) School of Engineering Science, University of Chinese Academy of Sciences, Beijing
3.100049, China
推荐引用方式
GB/T 7714
Cheng LW,Zhong FQ,Wang ZP,et al. Experimental Study of Ignition and Flame Characteristics of Surrogate of Cracked Hydrocarbon Fuels in Supersonic Crossflow[C]. USA:American Institute of Aeronautics and Astronautics Inc, AIAA,2017.
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