IMECH-IR  > 高温气体动力学国家重点实验室
Combustion of Vaporized Kerosene in Supersonic Model Combustors with Dislocated Dual Cavities
Zhang TC(张泰昌); Wang J(王晶); Fan XJ(范学军); Zhang P; Fan, XJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China.
Source PublicationJournal of Propulsion and Power
2014-09
Volume30Issue:5Pages:1152-1160
ISSN0748-4658
AbstractSupersonic combustion of vaporized kerosene in a Mach 2.5 model combustor with a total temperature of 1500 K and a total pressure of 1.3 MPa was experimentally investigated for an optimal integration of the cavity-based flameholder and the fuel injection scheme. A novel design of a supersonic model combustor consisting of a two-staged fuel injection system and dislocated dual cavities was proposed to improve the combustor performance, including the combustion efficiency, flame stabilization, combustor "unstart," and heat release distribution. Specifically, a large number of experiments were performed to systematically investigate the effects of fuel injection distribution, which is controlled by varying the injector spacing and the fuel equivalence ratio, on the static pressure distribution, thrust increment; lean blowout limit, wall temperature distribution, and combustor unstart characteristics. The results show that there exists an optimal range of injector spacing to obtain enhanced combustion performance while avoiding the combustion unstart. Furthermore, the equal fuel injection with an overall equivalence ratio of 0.5 for the two injectors was found to result in the optimal static pressure distribution and hence the largest thrust increment.
Subject AreaEngineering
DOI10.2514/1.B35096
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000342531900003
WOS KeywordFLOW ; INJECTION ; IGNITION
WOS Research AreaEngineering
WOS SubjectEngineering, Aerospace
Funding OrganizationThe current research program at the Chinese Academy of Sciences was supported by the National Natural Science Foundation of China under contracts 91016005 and 10621202. The work at the Hong Kong Polytechnic University was supported in part by the Central Research grant G-UB50 under the Departmental General Research Fund Scheme. The authors would like to acknowledge G. Yu, X. S. Wei, X. N. Lu, L. J. Meng, and Y. Li for their technical support.
DepartmentLHD超声速燃烧
Classification二类/Q2
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49328
Collection高温气体动力学国家重点实验室
Corresponding AuthorFan, XJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Zhang TC,Wang J,Fan XJ,et al. Combustion of Vaporized Kerosene in Supersonic Model Combustors with Dislocated Dual Cavities[J]. Journal of Propulsion and Power,2014,30(5):1152-1160.
APA 张泰昌,王晶,范学军,Zhang P,&Fan, XJ .(2014).Combustion of Vaporized Kerosene in Supersonic Model Combustors with Dislocated Dual Cavities.Journal of Propulsion and Power,30(5),1152-1160.
MLA 张泰昌,et al."Combustion of Vaporized Kerosene in Supersonic Model Combustors with Dislocated Dual Cavities".Journal of Propulsion and Power 30.5(2014):1152-1160.
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