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Title: Thermal Cracking and Heat Sink Capacity of Aviation Kerosene Under Supercritical Conditions
Author: Zhong FQ(仲峰泉); Fan XJ(范学军); Yu G(俞刚); Li JG(李建国); Sung CJ
Source: Journal of Thermophysics and Heat Transfer
Issued Date: 2011
Volume: 25, Issue:3, Pages:450-456
Abstract: Thermal 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.
Keyword: Tetralin ; Decalin
Language: 英语
Indexed Type: SCI ; EI
Corresponding Author: Zhong, FQ (reprint author), Chinese Acad Sci, Inst Mech, Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China
Correspondent Email: fzhong@imech.ac.cn
DOI: 10.2514/1.51399
Related URLs: 查看原文
DOC Type: Article; Proceedings Paper
WOS Subject: Thermodynamics ; Engineering, Mechanical
WOS Subject Extended: Thermodynamics ; Engineering
WOS Keyword Plus: TETRALIN ; DECALIN
WOS ID: WOS:000293259600015
ISSN: 0887-8722
Rank: [Zhong, Fengquan; Fan, Xuejun; Yu, Gong; Li, Jianguo] Chinese Acad Sci, Inst Mech, Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China; [Sung, Chih-Jen] Univ Connecticut, Dept Mech Engn, Storrs, CT 06269 USA
Subject: Thermodynamics; Engineering
Department: LHD高超声速推进技术
Classification: Q3
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/45173
Appears in Collections:高温气体动力学国家重点实验室_期刊论文

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Recommended Citation:
仲峰泉;范学军;俞刚;李建国;Sung CJ.Thermal Cracking and Heat Sink Capacity of Aviation Kerosene Under Supercritical Conditions,JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER,2011,25(3):450-456
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