哈尔滨工程大学学报2026，Vol.47Issue(2)：290-298,9.DOI:10.11990/jheu.202406028
湿空气对压气机裕度边界性能的敏感性分析
Sensitivity analysis of wet air on compressor performance at margin boundary
摘要
Abstract
Addressing the impact of wet air conditions on compressor instability processes,this paper analyzes the phase-change cooling process of wet compression in a compressor based on the Euler-Lagrange multiphase flow gov-erning equations.The aerothermal characteristics of different wet air flow regime coupling processes within the com-pressor were obtained,and the sensitivity of flow and heat transfer during wet compression to the compressor stabil-ity margin boundary was evaluated.The results indicate that,with spray flow rate ranging from 0.5%to 8%and av-erage droplet sizes from 3 μm to 200 μm,near the compressor's near-stall boundary,wet compression can reduce the flow field temperature by 25 K to 49 K,while improving compressor efficiency by 0.25%to 4%.However,near the compressor's near-surging boundary,due to reduced droplet evaporation,the temperature change in the flow field is less than 10 K.Additionally,the inertia resistance of the droplets expands the range of low-speed air-flow around the rotor blades(from 25 m/s to 97 m/s),causing the compressor surge boundary to shift left,thus re-ducing the stable operating range.关键词
压气机/湿压缩/裕度边界/喷雾量/喷雾粒径/总温比/总压比/效率Key words
compressor/wet compression/margin boundary/spray flow rate/spray particle size/total tempera-ture ratio/total pressure ratio/efficiency分类
航空航天引用本文复制引用
段昱,张鑫烨,胡永慧,陈燕,林阿强..湿空气对压气机裕度边界性能的敏感性分析[J].哈尔滨工程大学学报,2026,47(2):290-298,9.基金项目
中国博士后科学基金项目(2025T181167,2023M742834). （2025T181167,2023M742834）
