燃气涡轮试验与研究
燃氣渦輪試驗與研究
연기와륜시험여연구
GAS TURBINE EXPERIMENT AND RESEARCH
2014年
1期
6-11
,共6页
沙心国%严明%刘政良
沙心國%嚴明%劉政良
사심국%엄명%류정량
多级轴流压气机%级间匹配特性%大小叶片转子%流动分离%失速裕度%数值模拟
多級軸流壓氣機%級間匹配特性%大小葉片轉子%流動分離%失速裕度%數值模擬
다급축류압기궤%급간필배특성%대소협편전자%류동분리%실속유도%수치모의
multi-stage axial compressor%stage matching characteristic%splitter%flow separation%stall margin%numerical simulation
结合一台出口级使用大小叶片转子的高负荷多级轴流压气机的设计过程，对其多种设计方案进行数值模拟，通过对各设计方案级间匹配特性的分析，总结出多级轴流压气机的级间匹配特性。通过与另一台级数相当但不含大小叶片转子的低负荷多级轴流压气机的级间匹配特性进行对比，研究了在多级轴流压气机出口级使用大小叶片转子对级间匹配特性的影响。结果表明，在多级轴流压气机出口级使用大小叶片转子，不仅可提高出口级的负荷及整机总压比，还可增大压气机的失速裕度。
結閤一檯齣口級使用大小葉片轉子的高負荷多級軸流壓氣機的設計過程，對其多種設計方案進行數值模擬，通過對各設計方案級間匹配特性的分析，總結齣多級軸流壓氣機的級間匹配特性。通過與另一檯級數相噹但不含大小葉片轉子的低負荷多級軸流壓氣機的級間匹配特性進行對比，研究瞭在多級軸流壓氣機齣口級使用大小葉片轉子對級間匹配特性的影響。結果錶明，在多級軸流壓氣機齣口級使用大小葉片轉子，不僅可提高齣口級的負荷及整機總壓比，還可增大壓氣機的失速裕度。
결합일태출구급사용대소협편전자적고부하다급축류압기궤적설계과정，대기다충설계방안진행수치모의，통과대각설계방안급간필배특성적분석，총결출다급축류압기궤적급간필배특성。통과여령일태급수상당단불함대소협편전자적저부하다급축류압기궤적급간필배특성진행대비，연구료재다급축류압기궤출구급사용대소협편전자대급간필배특성적영향。결과표명，재다급축류압기궤출구급사용대소협편전자，불부가제고출구급적부하급정궤총압비，환가증대압기궤적실속유도。
Combined with design process of a high load multi-stage axial compressor having splitters in last two stages, different design cases were calculated and simulated. The matching characteristic of multi-stage axial compressor was researched and summarized by analyzing the matching characteristic of compressor design projects. In addition, the influence of splitter on stage matching characteristic of multi-stage axial compressor was studied through comparing with another low load multi-stage axial com-pressor without splitter. The results show that using splitter in the outlet stage of a multi-stage axial com-pressor not only can increase the loading and the overall pressure ratio of compressor, but also can increase the compressor stall margin.
