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| Numerical Analysis of the Effects of Free-Stream Thermo-Chemical State on the Test Model Flow Field in High-Enthalpy Tunnel | |
Ceng M(曾明) ; Liu J; Lin ZB(林贞彬); Qu ZH
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| 会议录名称 | The 5th Asian-Pacific Conference on Aerospace Technology and Science APCATS’2006, October 30 to Nov. 3, 2006,Guilin, China,p.1-10 |
| 2006-10-30 | |
| 会议名称 | 5th Asian-Pacific Conference of Aerospace Technology and Science |
| 摘要 | The effects of the free-stream thermo-chemical state on the test model flow field in the high-enthalpy tunnel are studied numerically. The properties of the free-stream, which is in thermo-chemical non-equilibrium, are determined by calculating the nozzle flow field. A free-stream with total enthalpy equal to the real one in the tunnel while in thermo-chemical equilibrium is constructed artificially to simulate the natural atmosphere condition. The flow fields over the test models (blunt cone and Apollo command capsule model) under both the non-equilibrium and the virtual equilibrium free-stream conditions are calculated. By comparing the properties including pressure, temperature, species concentration and radiation distributions of these two types of flow fields, the effects of the non-equilibrium state of the free-stream in the high-enthalpy shock tunnel are analyzed. |
| 文献类型 | 会议论文 |
| 条目标识符 | http://dspace.imech.ac.cn/handle/311007/13946 |
| 专题 | 力学所知识产出(1956-2008) |
| 通讯作者 | Lin ZB(林贞彬) |
| 推荐引用方式 GB/T 7714 | Ceng M,Liu J,Lin ZB,et al. Numerical Analysis of the Effects of Free-Stream Thermo-Chemical State on the Test Model Flow Field in High-Enthalpy Tunnel[C]The 5th Asian-Pacific Conference on Aerospace Technology and Science APCATS’2006, October 30 to Nov. 3, 2006,Guilin, China,p.1-10,2006. |
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