FILM COOLING PERFORMANCE IN A LOW-SPEED 1.5-STAGE TURBINE: EFFECTS OF BLOWING RATIO AND ROTATION
文献类型：期刊论文
| 作者 | Tao Zhi2; Li Guoqing1; Deng Hongwu2; Xiao Jun2; Xu Guoqiang2; Luo Xiang2 |
| 刊名 | JOURNAL OF ENHANCED HEAT TRANSFER
 |
| 出版日期 | 2011 |
| 卷号 | 18期号:5页码:419-432 |
| 关键词 | film cooling turbine blade blowing ratio rotation effectiveness |
| 英文摘要 | This paper presents experimental investigations on film cooling performance under rotation in a low-speed 1.5-stage turbine using the thermochromic liquid crystal (TLC) technique. The experiment was accomplished in a test facility which was recently established to study rotating film cooling performance in realistic turbine stages. Eighteen blades of chord length of 0.1243 m and height of 0.099 m were installed in the rotor. A film hole with diameter of 0.004 m, angled 28 degrees and 36 degrees tangentially to the pressure surface and suction surface in streamwise, respectively, was set in the middle span of the rotor blade. All measurements were made at three different rotating speeds of 600, 667 and 702 rpm with the blowing ratios varying from 0.3 to 3.0. The Reynolds number based on the mainstream velocity of the turbine outlet and the chord length of the rotor blade was fixed at 1.89 x 10(5). Results show that on the pressure side, the film coverage and cooling effectiveness scaled up with the blowing ratio and the film deflected centrifugally; on the suction side, the maximum film coverage and cooling effectiveness were obtained at moderate blowing ratio and a centripetal deflection of the film was observed. The film deflection could be amplified by either decreasing the blowing ratio or increasing the rotation number on both sides. Overall, blowing ratio and rotation play significant roles in the film cooling performance. |
| WOS标题词 | Science & Technology ; Physical Sciences ; Technology |
| 类目[WOS] | Thermodynamics ; Engineering, Mechanical |
| 研究领域[WOS] | Thermodynamics ; Engineering |
| 关键词[WOS] | COMPOUND ANGLE HOLES ; HEAT-TRANSFER ; ADIABATIC EFFECTIVENESS ; LEADING-EDGE ; 2 ROWS ; BLADE ; FLOW ; TURBULENCE |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000297441000005 |
| 公开日期 | 2015-12-22 |
| 源URL | [http://ir.etp.ac.cn/handle/311046/106516]  |
| 专题 | 工程热物理研究所_中国科学院工程热物理所（论文库）_期刊论文（SCI） |
| 作者单位 | 1.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China 2.Beijing Univ Aeronaut & Astronaut, Natl Key Lab Sci & Technol Aeroengines, Beijing 100191, Peoples R China |
| 推荐引用方式 GB/T 7714 | Tao Zhi,Li Guoqing,Deng Hongwu,et al. FILM COOLING PERFORMANCE IN A LOW-SPEED 1.5-STAGE TURBINE: EFFECTS OF BLOWING RATIO AND ROTATION[J]. JOURNAL OF ENHANCED HEAT TRANSFER,2011,18(5):419-432. |
| APA | Tao Zhi,Li Guoqing,Deng Hongwu,Xiao Jun,Xu Guoqiang,&Luo Xiang.(2011).FILM COOLING PERFORMANCE IN A LOW-SPEED 1.5-STAGE TURBINE: EFFECTS OF BLOWING RATIO AND ROTATION.JOURNAL OF ENHANCED HEAT TRANSFER,18(5),419-432. |
| MLA | Tao Zhi,et al."FILM COOLING PERFORMANCE IN A LOW-SPEED 1.5-STAGE TURBINE: EFFECTS OF BLOWING RATIO AND ROTATION".JOURNAL OF ENHANCED HEAT TRANSFER 18.5(2011):419-432. |
入库方式： OAI收割
来源：工程热物理研究所
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