Experiment and simulation of the mean value model on two-stroke gasoline aero-engine

CHEN Lin-lin; WEI Min-xiang; YANG Hai-qing

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Experiment and simulation of the mean value model on two-stroke gasoline aero-engine

更新时间：2026-07-07

- Experiment and simulation of the mean value model on two-stroke gasoline aero-engine
- Vol. 23, Issue 12, (2008)
- 作者机构：
  
  南京航空航天大学能源与动力学院,南京,210016
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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CHEN Lin-lin, WEI Min-xiang, YANG Hai-qing. Experiment and simulation of the mean value model on two-stroke gasoline aero-engine[J]. 2008, 23(12).
DOI：

CHEN Lin-lin, WEI Min-xiang, YANG Hai-qing. Experiment and simulation of the mean value model on two-stroke gasoline aero-engine[J]. 2008, 23(12). DOI：

摘要

采用机理建模和试验建模相结合的方法建立了航空二冲程汽油发动机平均值模型.二冲程汽油机平均值模型主要分为3个动态子模块:燃油蒸发与油膜动态子模块、进气道与曲轴箱扫气子模块和动力输出子模块.建模中考虑了簧片阀的建模

同时考虑了扫气过程中的短路损失

进行了空燃比的计算.对发动机动力输出、转速和空燃比进行了Matlab/Simulink仿真

仿真结果和实验数据吻合

证明了该均值模型的正确性.

Abstract

The mean value model for small two stroke gasoline aero-engine based on the mechanism modeling and experiment modeling combined method was presented.The two stroke gasoline engine mean value model mainly consists of three dynamic modules: the fuel evaporation and oil film dynamic module

the intake port and crankcase scavenging module

power output module.The reed valve modeling and the short circuit loss during scavenging process were also considered at the modeling process.Then established the power output

rotational speed and Air/Fuel ratio models

and carried out simulation on Matlab/Simulink platform.The simulation result fully meets the experiment data

which proves the correctness of the mean value model.

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Related Institution

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