齿轮传动对转桨扇发动机总体性能建模

doi:10.13675/j.cnki. tjjs. 180576

推进技术 ›› 2019, Vol. 40 ›› Issue (11): 2428-2435.DOI: 10.13675/j.cnki. tjjs. 180576

齿轮传动对转桨扇发动机总体性能建模

康瑞元¹,陈玉春¹,蔡飞超¹,黄兴²,陈凤萍¹

1.西北工业大学动力与能源学院;2.中国航发湖南动力机械研究所，湖南株洲;412002

发布日期:2021-08-15

Performance Modelling of Geared Contra-RotatingPropfan Engine

1.School of Power and Energy,Northwestern Polytechnical University,Xi’an 710072,China;2.AECC Hunan Aviation Powerplant Research Institute,Zhuzhou 412002,China

Published:2021-08-15

摘要/Abstract

摘要： 为了开展齿轮传动对转桨扇发动机总体性能计算，在双轴涡桨发动机性能模型基础上完善了减速器与对转桨扇性能计算模型，通过构建求解方程组完成了齿轮传动桨扇发动机总体性能建模。计算表明，本模型设计点性能计算结果与公开文献计算结果误差不高于0.1%。本模型可在控制规律设计中选择桨距角为被控参数，且桨距角的调节对对应桨性能及转速影响最大；选定燃气发生器某一参数作为被控参数，再从前后桨桨距角、转速及自由涡轮转速中选取两个被控参数，组合形成的10种三变量组合控制规律均能在本模型中完成计算。结果表明，本模型可支持开展桨扇发动机控制规律设计与性能计算，具有良好的适用性与收敛性。

关键词: 桨扇发动机;差动行星齿轮;总体性能建模;多变量控制规律

Abstract: In order to research on performance of geared contra-rotating propfan engine, the model of gearbox and propfan were supplemented to the performance model of two spool turboprop, then the performance model of propfan engine were built by the introduction of new solver equation set. Through calculating, the performance parameters calculated at design point are similar with the calculation results of reference paper with the relative error no more than 0.1%. The current model can make it available that choosing pitch angles as controlled parameters of control schedule and the change of pitch angle has the biggest influence on performance parameters and rotating speed of corresponding propfan. Once one parameter of gas generator has been chosen as a controlled parameter, then selected two controlled parameters from pitch angles，rotation speeds of propfans，rotation speed of free turbine ,10 kinds of triple parameters control schedules combined all could be simulated in the model. It could be concluded that the performance model of propfan engine has good precision and convergence,which could be used to design control schedule and calculate performance of propfan engine.

Key words: Propfan engine;Differential plantary gearbox;Performance calculation model;Multivariable control schedule

康瑞元,陈玉春,蔡飞超,黄兴,陈凤萍. 齿轮传动对转桨扇发动机总体性能建模[J]. 推进技术, 2019, 40(11): 2428-2435.

KANG Rui-yuan¹,CHEN Yu-chun¹,CAI Fei-chao¹,HUANG Xing²,CHEN Feng-ping¹. Performance Modelling of Geared Contra-RotatingPropfan Engine[J]. Journal of Propulsion Technology, 2019, 40(11): 2428-2435.

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齿轮传动对转桨扇发动机总体性能建模

Performance Modelling of Geared Contra-RotatingPropfan Engine

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