Research on fuel supply control law of airstart for an aero-engine

WANG Zhao-ming; WANG Fu-de; ZUO Wei; WANG Chen; BA De-chun

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Research on fuel supply control law of airstart for an aero-engine

更新时间：2026-07-07

- Research on fuel supply control law of airstart for an aero-engine
- Vol. 25, Issue 5, (2010)
- 作者机构：
  
  1. 东北大学机械工程与自动化学院,沈阳,110004
  2. 中国航空工业集团公司沈阳发动机设计研究所,沈阳,110015
  3. 中国人民解放军驻沈阳黎明发动机制造公司军事代表室,沈阳,110043
  4. 大连理工大学能源与动力学院,大连,116023
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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WANG Zhao-ming, WANG Fu-de, ZUO Wei, et al. Research on fuel supply control law of airstart for an aero-engine[J]. 2010, 25(5).
DOI：

WANG Zhao-ming, WANG Fu-de, ZUO Wei, et al. Research on fuel supply control law of airstart for an aero-engine[J]. 2010, 25(5). DOI：

摘要

研究某型航空发动机空中起动困难问题

现有自动起动器没有考虑飞行高度对供油规律的影响

发动机在空中起动时存在富油状态.分析了影响起动供油规律的因素

在现有自动起动器结构基础上

设计了高空修正模块来补偿飞行高度对供油规律的影响.建立了自动起动器的数学模型

对改进的自动起动器进行了仿真分析和试验.仿真结果和试验验证了改进方案的可行性

与地面起动相比

空中起动的供油量随着飞行高度的增加而降低.采用改进的空中起动供油规律可补偿飞行高度对供油特性的影响

解决发动机空中起动时的富油状态问题.

Abstract

The problem of airstart of an aero-engine was investigated. The enrichment in airstart of an aero-engine exists because the effects of flying height on fuel-feed characteristics are not considered for the original selfstarter. Various factors affecting the fuel-feed characteristics were investigated. A high altitude compensator was added to the original selfstarter to compensate the effects of flying height on fuel-feed characteristics. The mathematical models of original and improved selfstarters were built respectively. The simulations and tests verify the feasibility of the improved selfstarter

e.g.:airstart fuel supply flow decreases as the altitude increases as compared with the ground starter. The improved selfstarter can compensate the effects of flying height on fuel-feed characteristics and resolve the problem of airstart enrichment.

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