转子结构布局及其力学特性优化设计
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摘要
针对高推质比航空发动机结构设计,提出了航空发动机转子结构布局优化设计方案。对总体结构布局的优化可以有效提高材料使用效率,获取更优的力学特性,减小结构质量以提高推质比。介绍了转子结构布局的研究内容,给出了结构布局优化设计方法,并通过对高负荷转子结构系统的布局优化设计,验证了结构布局设计方法的可行性。算例结果表明:该方法可使结构效率损失系数降低0.335,方法的创新对航空发动机转子系统初始结构设计具有指导意义,对转子结构设计方案筛选和缩短设计周期具有重要的作用。
For the structural design of high thrust-mass ratio aero-engine,the method of optimum design of aero-engine rotor structure was put forward.The optimization of the overall structure layout can effectively improve the material utilization efficiency,obtain higher mechanical properties,reduce the structural mass and increase the thrust-mass ratio.The research content of the rotor structure layout was introduced,and the optimum design method of the structure layout was given.The feasibility of the structure layout design method was verified by optimizing the layout of the high load rotor structure system.The numerical results showed that this method can reduce the structural efficiency loss coefficient by 0.335,and the research content was of guiding significance to the initial structure design of the aeroengine rotor system,playing an important role in screening the design scheme of the rotorstructure and shortening the design cycle.
For the structural design of high thrust-mass ratio aero-engine,the method of optimum design of aero-engine rotor structure was put forward.The optimization of the overall structure layout can effectively improve the material utilization efficiency,obtain higher mechanical properties,reduce the structural mass and increase the thrust-mass ratio.The research content of the rotor structure layout was introduced,and the optimum design method of the structure layout was given.The feasibility of the structure layout design method was verified by optimizing the layout of the high load rotor structure system.The numerical results showed that this method can reduce the structural efficiency loss coefficient by 0.335,and the research content was of guiding significance to the initial structure design of the aeroengine rotor system,playing an important role in screening the design scheme of the rotorstructure and shortening the design cycle.
引文
[1]洪杰,马艳红,张大义.航空燃气轮机总体结构设计与动力学分析[M].北京:北京航空航天大学出版社,2014.
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[20]马艳红,陈璐璐,张大义,等.航空发动机转子系统结构效率评估参数及计算方法[J].航空动力学报,2013,28(7):1598-1606.MA Yanhong,CHEN Lulu,ZHANG Dayi,et al.Assessment parameters and calculation methods of structural efficiency on rotor system in aero engine[J].Joural of Aerospace Power,2013,28(7):1598-1606.(in Chinese)
[21]于平超,马艳红,王存,等.航空发动机整机结构效率评估参数与计算方法[J].航空动力学报,2016,31(7):1744-1753.YU Pingchao,MA Yanhong,WANG Cun,et al.Evaluation parameters and calculation methods of structural efficiency for whole aero-engine[J].Journal of Aerospace Power,2016,31(7):1744-1753.(in Chinese)
[22]马石磊,李方义,李剑峰,等.基于稀疏网格的近似模型及其在轻量化设计中的应用[J].机械工程学报,2013,49(7):43-50.MA Shilei,LI Fangyi,LI Jianfeng,et al.Approximate model using sparse grid approach and its application in lightweight design[J].Journal of Mechanical Engineering,2013,49(7):43-50.(in Chinese)
[23]李洪双,马远卓.结构可靠性设计与随机优化设计的统一方法[M].北京:国防工业出版社,2017.
[2] ROZVANY G I N,BENDSE M P,KIRSCH U.Layout optimization of structures[J].Applied Mechanics Reviews,1995,48(2):41-119.
[3]张大义,马艳红,梁智超,等.整机结构设计的评估方法:结构效率[J].航空动力学报,2010,25(10):2170-2176.ZHANG Dayi,MA Yanhong,LIANG Zhichao,et al.Evaluation method on whole engine structural design:structural efficiency[J].Journal of Aerospace Power,2010,25(10):2170-2176.(in Chinese)
[4] PARK P,GILBERT M,TYAS A,et al.Potential use of structural layout optimization at the conceptual design stage[J].International Journal of Architectural Computing,2012,10(1):13-32.
[5]陈予恕,张华彪.航空发动机整机动力学研究进展与展望[J].航空学报,2011,32(8):1371-1391.CHEN Yushu,ZHANG Huabiao.Review and prospect on the research of dynamics of complete aero-engine systems[J].Acta Aeronautica et Aetronautica Sinica,2011,32(8):1371-1391.(in Chinese)
[6] FUKUSHIMA J,SUZUKI K,KIKUCHI N.Shape and topology optimization of a car body with multiple loading conditions[R].SAE Technical Paper 920777,1992.
[7] SEITZ A,BIJEWITZ J,KAISER S,et al.Conceptual investigation of a propulsive fuselage aircraft layout[J].International Journal of Aircraft Engineering and Aerospace Technology,2014,86(6):464-472.
[8] LIU Shutian,QIAO Heting.Topology optimization of continuum structures with different tensile and compressive properties in bridge layout design[J].Structural and Multidisciplinary Optimization,2011,43(3):369-380.
[9]王俨凯,廖明夫,张家豪.航空发动机中介轴承的动力学减载设计[J].航空动力学报,2017,32(2):492-499.WANG Yankai,LIAO Mingfu,ZHANG Jiahao.Dynamic load reduction design for inter-shaft bearing of aircraft engine[J].Journal of Aerospace Power,2017,32(2):492-499.(in Chinese)
[10] FU Chao,REN Xingmin,YANG Yongfeng,et al.An interval precise integration method for transient unbalance response analysis of rotor system with uncertainty[J].Mechanical Systems and Signal Processing,2018,107:137-148.
[11] CHO W,LEE K,CHO Y I,et al.Development and experimental verification of counter-rotating dual rotor/dual generator wind turbine:Generating,yawing and furling[J].Renewable Energy,2017,114:644-654.
[12]闻邦椿,顾家柳,夏松波,等.高等转子动力学:理论、技术与应用[M].北京:机械工业出版社,2000.
[13]邓四二,付金辉,王燕霜,等.航空发动机滚动轴承-双转子系统动态特性分析[J].航空动力学报,2013,28(1):195-204.DENG Sier,FU Jinhui,WANG Yanshuang,et al.Analysis on dynamic characteristics of aero-engine rolling bearing/dual-rotor system[J].Journal of Aerospace Power,2013,28(1):195-204.(in Chinese)
[14] HYLTON P D.Minimizing dynamic response of counterrotating engines through optimized node placement[C]∥Proceedings of ASME Turbo Expo 2010:Power for Land,Sea,and Air.Glasgow,UK:ASME,2010:25-32.
[15]曾小华,王继新.混合动力耦合系统构形与耦合装置分析设计方法[M].北京:北京理工大学出版社,2015.
[16] ASTIVIA O L O,ZUMBO B D.Population models and simulation methods:the case of the Spearman rank correlation[J].Mzthematical and Statistical Psychology,2017,70(6):347-367.
[17]陈立周.稳健设计[M].北京:机械工业出版社,2000:2-18.
[18]范叶森,王三民,杨振,等.多转子系统振动分析的子结构耦合矩阵法[J].航空动力学报,2010,25(3):623-628.FAN Yesen,WANG Sanmin,YANG Zhen,et al.Substructure coupled matrix method for vibration analysis of multirotor systems[J].Journal of Aerospace Power,2010,25(3):623-628.(in Chinese)
[19]杨喜关,罗贵火,原鹏,等.模态综合法在双转子系统建模中的应用与验证[J].机械科学与技术,2014,33(10):1450-1454.YANG Xiguan,LUO Guihuo,YUAN Peng,et al.Application and verification of the modal systhesis method in dualrotor system modeling[J].Mechanical Science and Technology for Aerospace Engineering,2014,33(10):1450-1454.(in Chinese)
[20]马艳红,陈璐璐,张大义,等.航空发动机转子系统结构效率评估参数及计算方法[J].航空动力学报,2013,28(7):1598-1606.MA Yanhong,CHEN Lulu,ZHANG Dayi,et al.Assessment parameters and calculation methods of structural efficiency on rotor system in aero engine[J].Joural of Aerospace Power,2013,28(7):1598-1606.(in Chinese)
[21]于平超,马艳红,王存,等.航空发动机整机结构效率评估参数与计算方法[J].航空动力学报,2016,31(7):1744-1753.YU Pingchao,MA Yanhong,WANG Cun,et al.Evaluation parameters and calculation methods of structural efficiency for whole aero-engine[J].Journal of Aerospace Power,2016,31(7):1744-1753.(in Chinese)
[22]马石磊,李方义,李剑峰,等.基于稀疏网格的近似模型及其在轻量化设计中的应用[J].机械工程学报,2013,49(7):43-50.MA Shilei,LI Fangyi,LI Jianfeng,et al.Approximate model using sparse grid approach and its application in lightweight design[J].Journal of Mechanical Engineering,2013,49(7):43-50.(in Chinese)
[23]李洪双,马远卓.结构可靠性设计与随机优化设计的统一方法[M].北京:国防工业出版社,2017.