航空工程进展
航空工程進展
항공공정진전
ADVANCES IN AERONAUTICAL SCIENCE AND ENGINEERING
2014年
3期
312-319
,共8页
刘伟%陈玉春%贾琳渊%胡秋晨%黄红超
劉偉%陳玉春%賈琳淵%鬍鞦晨%黃紅超
류위%진옥춘%가림연%호추신%황홍초
涡扇发动机%技术参数%总体性能%高推重比%涡轮冷却
渦扇髮動機%技術參數%總體性能%高推重比%渦輪冷卻
와선발동궤%기술삼수%총체성능%고추중비%와륜냉각
turbofan engine%technical parameters%performance%high thrust to weight ratio%turbine cooling
为了充分掌握各代涡扇发动机技术参数水平及其发展趋势,统计包括现役型号在内的15台2~4代涡扇发动机的总体性能参数、循环参数和部件参数,采用考虑涡轮冷却的总体性能计算和重量预测相结合的发动机技术参数综合评估模型并利用计算程序绘制趋势曲线,评估技术参数的发展趋势,结果表明技术参数逐年改善的趋势是比较稳定的,并用曲线趋势外推法取得下一代关键参数的定量数据。在此基础上探索下一代高推重比涡扇发动机可能的总体性能方案,为下一代先进涡扇发动机的预研和设计提供参考。
為瞭充分掌握各代渦扇髮動機技術參數水平及其髮展趨勢,統計包括現役型號在內的15檯2~4代渦扇髮動機的總體性能參數、循環參數和部件參數,採用攷慮渦輪冷卻的總體性能計算和重量預測相結閤的髮動機技術參數綜閤評估模型併利用計算程序繪製趨勢麯線,評估技術參數的髮展趨勢,結果錶明技術參數逐年改善的趨勢是比較穩定的,併用麯線趨勢外推法取得下一代關鍵參數的定量數據。在此基礎上探索下一代高推重比渦扇髮動機可能的總體性能方案,為下一代先進渦扇髮動機的預研和設計提供參攷。
위료충분장악각대와선발동궤기술삼수수평급기발전추세,통계포괄현역형호재내적15태2~4대와선발동궤적총체성능삼수、순배삼수화부건삼수,채용고필와륜냉각적총체성능계산화중량예측상결합적발동궤기술삼수종합평고모형병이용계산정서회제추세곡선,평고기술삼수적발전추세,결과표명기술삼수축년개선적추세시비교은정적,병용곡선추세외추법취득하일대관건삼수적정량수거。재차기출상탐색하일대고추중비와선발동궤가능적총체성능방안,위하일대선진와선발동궤적예연화설계제공삼고。
In order to fully master the level and evolving trend of technical parameters of various generations tur-bofan engine ,the technical parameters of fifteen foreign typical turbofan engines from 2 to 4 generations ,such as general performance parameters ,cycle parameters and components parameters are compiled .The models and corresponding programs for performance calculations considering turbine cooling and evaluations of size and weight of turbofan engine are used .By calculation program the trend of the performance curves are drawn ,and then the technical parameters of the turbofan engine are evaluated .Results indicate that the evolving trends of the technical parameters are stabilized ,and the key parameters of next generation are obtained using extrapola-tion of curve .At this foundation ,the possible engine integration design directions of next generation advanced turbofan engine are explored .The results can be the reference for advanced turbofan engine design in next gener-ation .