| 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)
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| Source Publication | 18th AIAA/3AF International Space Planes and Hypersonic Systems and Technologies Conference 2012 |
| 2012 | |
| Conference Name | 18th AIAA/3AF International Space Planes and Hypersonic Systems and Technologies Conference 2012 |
| Conference Date | SEP 24-28, 2012 |
| Conference Place | Tours, France |
| Abstract | To 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. |
| Department | LHD高温气流激光诊断 |
| Funding Organization | American Institute for Aeronautics and Astronautics (AIAA) |
| ISBN | 9781600869310 |
| URL | 查看原文 |
| Indexed By | EI |
| Language | 英语 |
| Document Type | 会议论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/48284 |
| Collection | 高温气体动力学国家重点实验室 |
| Corresponding Author | Tian 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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