IMECH-IR  > 高温气体动力学国家重点实验室
Thermal Cracking and Heat Sink Capacity of Aviation Kerosene Under Supercritical Conditions
Zhong FQ(仲峰泉); Fan XJ(范学军); Yu G(俞刚); Li JG(李建国); Sung CJ; Zhong, FQ (reprint author), Chinese Acad Sci, Inst Mech, Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China
Source PublicationJOURNAL OF THERMOPHYSICS AND HEAT TRANSFER
2011
Pages450-456
Conference NameAIAA/ASME/SAE/ASEE 45th Joint Propulsion Conference and Exhibit
Conference DateAUG 02-08, 2009
Conference PlaceDenver, CO
AbstractThermal cracking and endothermicity of China No. 3 aviation kerosene were studied experimentally under supercritical conditions relevant to regenerative cooling systems for scramjet applications. A multiple-stage heating system with reaction products collection was used that can achieve a fuel temperature range of 780-1050 K, a pressure range of 3-4.5 MPa, and a residence time range of 0.6-3 s. The chemical heat sink was determined through a control volume analysis of the fuel flow. Compositions of I he cracked gaseous and liquid products were analyzed via gas chromatography. Based on the results of fuel conversion, the temperature range for the active cracking was observed to be approximately 800-1000 K, beyond which the cracking approaches completion. It was also found that the variation of the chemical heat sink with temperature can be nonmonotonic and a maximum endothermicity was seen to occur in the temperature range of 900-960 K, depending on the residence time. For the current operation conditions, the maximum chemical heat sink reached 0.5 MJ/k g at a fuel conversion of 45%. Composition analysis of the gaseous product indicated that the saturated hydrocarbons such as methane became dominant as temperature was increased. On the other hand, the major compositions of the liquid product were benzene-based and naphthalene-based hydrocarbons.
WOS IDWOS:000293259600015
DepartmentLHD高超声速推进技术
URL查看原文
Indexed BySCI ; CPCI-S ; EI
Language英语
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Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/45278
Collection高温气体动力学国家重点实验室
Corresponding AuthorZhong, FQ (reprint author), Chinese Acad Sci, Inst Mech, Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhong FQ,Fan XJ,Yu G,et al. Thermal Cracking and Heat Sink Capacity of Aviation Kerosene Under Supercritical Conditions[C]JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER,2011:450-456.
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