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Modeling and measurements of heat release distributions in dual-mode scramjet combustor
Tian L(田璐); Chen LH(陈立红); Chen Q(陈强); Li F(李飞); Zhang XY(张新宇); Tian L(田璐)
Source Publication18th AIAA/3AF International Space Planes and Hypersonic Systems and Technologies Conference 2012
2012
Conference Name18th AIAA/3AF International Space Planes and Hypersonic Systems and Technologies Conference 2012
Conference DateSEP 24-28, 2012
Conference PlaceTours, France
AbstractTo better evaluate the performance of dual-mode scramjet combustor, the axis distribution of heat release must be predicted accurately. Current work is based on a modified 1-D model assisted by measurements acquired in a dual-mode combustor on direct- connected scramjet facility. CH* images have been employed to study the combustion stabilization modes and further determine the start position of heat release for 1-D model. The heat release distributions of multi-ports and sing-port injections have been numerically investigated by 1-D model and validated by TDLAS measurements. The results show that heat release distributions depend on the arrangements of injections and flameholders. Close multi-ports injections bring higher combustion efficiency but further propagation of pre-combustion shock. On the contrary, sing-port injection with pure three-dimensional flowfield can obtain both high efficiency and more stable pre-combustion shock.
DepartmentLHD高温气流激光诊断
Funding OrganizationAmerican Institute for Aeronautics and Astronautics (AIAA)
ISBN9781600869310
URL查看原文
Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/48284
Collection高温气体动力学国家重点实验室
Corresponding AuthorTian L(田璐)
Recommended Citation
GB/T 7714
Tian L,Chen LH,Chen Q,et al. Modeling and measurements of heat release distributions in dual-mode scramjet combustor[C]18th AIAA/3AF International Space Planes and Hypersonic Systems and Technologies Conference 2012,2012.
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