航空发动机弹性箔片气体动压轴承技术研究及性能评价综述  

Review of Technique Application and Performance Evaluation for Aerodynamic Elastic Foil Gas Bearing in Aero-engine

作　　者：谢伟松[1] 林鑫 王伟韬 申倩 何振鹏 XIE Weisong;LIN Xin;WANG Weitao;SHEN Qian;HE Zhenpeng(School of Science,Tianjin University,Tianjin 300072,China;Sino-european Institute of Aviation Engineering,Civil Aviation University of China,Tianjin 300300,China;Aeronautical Engineering Institute,Civil Aviation University of China,Tianjin 300300,China;Tianjin Key Laboratory for Civil Aircraft Airworthiness and Maintaenance,Civil Aviation University of China,Tianjin 300300,China)

机构地区：[1]天津大学理学院,天津300072 [2]中国民航大学中欧工程师学院,天津300300 [3]中国民航大学航空工程学院,天津300300 [4]中国民航大学天津市民用航空器适航与维修重点实验室,天津300300

出　　处：《润滑与密封》2018年第7期136-147,共12页Lubrication Engineering

基　　金：国家自然科学基金项目(51505482);中国民航局科技计划项目(MHRD20160106);中央高校基本科研基金项目(3122015C015);中国民航大学科研启动基金项目(2014QD02S);福建省清洁燃烧与能源高效利用工程技术研究中心开放课题(KF201703)

摘　　要：弹性箔片气体动压轴承广泛应用于航空发动机中,在减少航空发动机功率损失、提高发动机可靠性方面具有重要作用。综述了国内外箔片气动轴承的研究现状,介绍了航空发动机箔片气动轴承结构的发展和应用特点,重点讨论了箔片止推轴承的理论研究现状,比较了不同箔片气动轴承润滑建模方法、润滑求解方法、收敛控制方法,指出了弹性箔片气体动压轴承在航空发动机旋转机械中的巨大应用潜力,提出了气动轴承技术今后需要重点开展的研究发展方向,主要包括箔片动压气体轴承理论建模及其模型求解、箔片气动轴承的实验研究及试验台架的搭建测试、箔片动压气体轴承设计及加工制造、轴承表面涂层技术的研究以及箔片动压气体轴承技术的应用等。Aerodynamic elastic foil gas bearing is widely used in aero-engine,it plays an important significance in improving engine efficiency and reliability,and reduce fuel consumption. The development of aerodynamic elastic foil gas bearing was summarized,and the structure characteristics and applications of aerodynamic elastic foil gas bearing in aeroengine were introduced. The performance evolution and theoretical study,and the advantages and disadvantages of aerodynamic elastic foil thrust bearing were discussed. The lubrication modeling method,lubrication solution method and convergence control method of different foil gas bearing were compared. The potential application of flexible foil aerodynamic bearing in aero-engine rotating machinery was pointed out. The research direction of aerodynamic bearing technology was put forward,including the theoretical modeling of foil dynamic pressure gas bearing and the solution method of the model,foil aerodynamic bearing experimental research and test bench building method,foil dynamic pressure gas bearing design and manufacturing,bearing surface coating technology and foil dynamic pressure gas bearing technology applications,and so on.

关 键 词：航空发动机 箔片气体动压轴承 润滑模型 止推轴承 

分 类 号：TG174.4[金属学及工艺—金属表面处理] TH117.1[金属学及工艺—金属学]