A REAL-TIME SIMULATION MODEL OF A TWIN-SPOOL TURBOJET ENGINE

Liu Yan; Liu Wei; Chen Fuqun; Sun Bin

Chinese

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A REAL-TIME SIMULATION MODEL OF A TWIN-SPOOL TURBOJET ENGINE

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- A REAL-TIME SIMULATION MODEL OF A TWIN-SPOOL TURBOJET ENGINE
- Vol. 9, Issue 4, (1994)
- 作者机构：
  
  1. 西北工业大学
  2. 沈阳航空发动机研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1994
- 稿件说明：
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Liu Yan, Liu Wei, Chen Fuqun, et al. A REAL-TIME SIMULATION MODEL OF A TWIN-SPOOL TURBOJET ENGINE[J]. 1994, 9(4).
DOI：

Liu Yan, Liu Wei, Chen Fuqun, et al. A REAL-TIME SIMULATION MODEL OF A TWIN-SPOOL TURBOJET ENGINE[J]. 1994, 9(4). DOI：

摘要

建立了能够实时模拟双轴涡喷发动机性能的数学模型。该实时模型包括：线性化的压气机特性模型、简化的涡轮特性以及非线性方程组的降维处理。在相同工况及进气条件下

分别用非实时模型和实时模型对某型双轴加力式涡喷发动机性能进行了模拟

并与试验结果进行了对比。结果表明

该模型很好地解决了提高运算速度与保证计算精度之间的矛盾

并且具有较高的收敛性。

Abstract

A mathematical model for real time simulation of twin spool turbojet engine has been established

which comprises a linearized compressor characteristics model

simplified turbine characteristics and the dimension reducing method of non linear equation set.Under the identical regime and inlet flow conditions

the performance of the twin spool turbojet engine was simulated respectively by real time model and non real time model.The results of the simulations were compared with test data.Favorable results of the comparison give the validation of the fundamental hypothesis of this study.This model makes a very good compromise between computation speed and accuracy

and has good convergence.

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