基于Matlab/Simulink的航空发动机稳态求解方法研究  

Research on Steady State Solution of Aeroengine Based on Matlab/Simulink

作　　者：王伟[1] 赵福佳 

机构地区：[1]中国民航大学民用航空器适航与维修重点实验室,天津300300

出　　处：《航空计算技术》2017年第4期107-110,114,共5页Aeronautical Computing Technique

摘　　要：基于Matlab/Simulink仿真环境,结合GSP软件提供的通用部件特性,建立了某型大涵道比涡扇发动机的部件级模型。以此模型为基础,建立流量平衡与功率平衡的非线性方程组,并选取高低压转速以及发动机各部件压比为初猜值,对发动机设计点进行稳态求解。对比分析了牛顿-拉夫僧法、拟牛顿法和最速下降法的求解数据,最终选择拟牛顿法作为本发动机模型的稳态求解方法。Based on Matlab/Simulink simulation environment, general components combined with thecharacteristics of the GSP software to establish the component level model of a certain type of high bypass ratio turbofan engine. Based on this model,the nonlinear equations of flow balance and power balance are established, and the high and low pressure speed and the pressure ratio of each part of the engine are se-lected as the initial guess value to solve the engine design point. The results of Newton Raphson method, quasi Newton method and steepest descent method are compared and analyzed.

关 键 词：Matlab/Simulimk 整机建模 非线性 稳态求解 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术] V23[自动化与计算机技术—计算机科学与技术]