| 某型涡扇发动机进气总压畸变的试验研究 |
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| 引用本文： | 程邦勤,陶增元,李军.某型涡扇发动机进气总压畸变的试验研究[J].推进技术,2003,24(1):21-23. |
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| 作者姓名： | 程邦勤 陶增元 李军 |
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| 作者单位： | 空军工程大学,飞机发动机工程系,陕西,西安,710038 |
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| 摘 要： | 由可移动插板式畸变发生器产生进气总压畸变流场，以综合畸变指数评定流场畸变程度，分析了进气总压畸变对涡扇发动机气动稳定性的影响，得到了稳态总压场不均匀度与总压紊流度随插板深度及发动机转速的变化关系，确定了该型发动机的最大（或临界）综合畸变指数和总压畸变敏感系数。
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| 关 键 词： | 涡扇发动机 进气总压畸变 试验研究 进气道气流 气动稳定性 不均匀性 |
| 文章编号： | 1001-4055(2003)01-0021-03 |
| 修稿时间： | 2002年1月4日 |
Aerodynamic stability analysis of inlet total pressure distortion for turbofan |
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| CHENG Bang qin,TAO Zeng yuan and LI Jun.Aerodynamic stability analysis of inlet total pressure distortion for turbofan[J].Journal of Propulsion Technology,2003,24(1):21-23. |
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| Authors: | CHENG Bang qin TAO Zeng yuan and LI Jun |
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| Abstract: | Adistortion generator with a moveable sliding board generated the distorted flow field. The inlet total pressure distortion tests were completed on a dual spool turbojet engine. A multiple distortion index " W " equal to the sum of circumferential uneven degree and the turbulence of total pressure was employed to measure the inlet flow distortion. The engine was tested at four rotor speeds, 80%, 85%, 90% and 95%. The maximum value of multiple distortion index and the sensibility coefficients of the total pressure distortion of the tested engine were determined. |
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| Keywords: | Inlet flow Flow distortion test Aerodynamic stability Inhomogeneity |
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