蒸汽吸入对压气机气动稳定性影响试验和数值研究

付文军; 屠宝锋; 胡骏

doi:10.13224/j.cnki.jasp.2020.01.024

蒸汽吸入对压气机气动稳定性影响试验和数值研究

doi: 10.13224/j.cnki.jasp.2020.01.024

付文军¹,
屠宝锋^1,2,
胡骏^1,2

基金项目: 国家科技重大专项(2017-Ⅱ-0004-0017)

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- 被引次数: 0
出版历程
- 收稿日期: 2019-08-24
- 刊出日期: 2020-01-28

Experimental and numerical investigation on aerodynamic stability of steam ingestion in a compressor

1.
Jiangsu Province Key Laboratory of Aerospace Power System,College of Energy and Power Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China
2.
Collaborative Innovation Center for Advanced Aero-Engine,Beijing 100191,China

摘要

摘要: 研究蒸汽吸入和旋流畸变对压气机气动稳定性的影响,以某两级低速轴流压气机为试验研究对象,建立压气机蒸汽吸入和旋流畸变试验台。试验结果表明:压气机吸入蒸汽引起入口总压和总温畸变,转速增加,总压畸变强度增大,总温畸变强度减小。蒸汽吸入导致总压比和稳定裕度降低,当压气机转速为600 r/min和800 r/min时,稳定裕度分别降低15%和63%。蒸汽吸入和反向整体涡旋流畸变两者共同作用下稳定裕度下降更为显著,当转速为600 r/min和800 r/min时,稳定裕度分别降低630%和1264%。对试验压气机进行蒸汽吸入数值模拟研究,结果表明:压气机转速为600 r/min和800 r/min时,稳定裕度分别降低321%和812%。
- 蒸汽吸入 /
- 旋流畸变 /
- 轴流压气机试验 /
- 总压畸变 /
- 总温畸变
Abstract: In order to investigate the effect of steam ingestion and swirl distortion on the aerodynamic stability of the compressor, a two-stage low-speed axial compressor was used as the experimental research object. The compressor test bench for steam ingestion and swirl distortion was established. The experimental results showed that steam ingestion caused the inlet total pressure and total temperature distortion. With the increase of rotating speed, the total pressure distortion intensity increased and the total temperature distortion intensity decreased. Steam ingestion caused the decrease of total pressure ratio and stability margin. When the compressor rotating speed was 600 r/min and 800 r/min, the stability margin was reduced by 15% and 63%, respectively. The stability margin decreased more significantly when the steam ingestion and the reverse bulk swirl distortion were combined. When the compressor rotating speed was 600 r/min and 800 r/min, the stability margin was reduced by 630% and 1264%. Numerical simulation investigated the effect of steam ingestion on the experimental compressor. The results showed that the stability margin decreased by 321% and 812% when the compressor rotating speed was 600 r/min and 800 r/min, respectively.
- steam ingestion /
- swirl distortion /
- axial compressor experiment /
- total pressure distortion /
- total temperature distortion

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