科技创新与应用2024，Vol.14Issue(12)：144-147,4.DOI:10.19981/j.CN23-1581/G3.2024.12.033
某型航空发动机核心机起动点火性能优化方案研究
张怡超1
作者信息
- 1. 中国航发湖南动力机械研究所,湖南 株洲 412000
- 折叠
摘要
Abstract
It is find that,in an aircraft core-engine experiment,the starting ignition time was too long and the flaming can be seen out the engine's nozzle.By the analysis on the influence of this core-engine,the reason of the phenomenon has been found.While the pressure ahead of the fuel nozzle is low,the pulverization of fuel is unacceptable,and the ignition time will be delayed.Combining the engine's fuel accessory capacity with the experimental data,the optimization scheme of starting-up fuel-supplying law was proposed in this paper.This optimization scheme enlarged the quantity of fuel at the beginning of the stating,and delayed the timing of fuel-supply and ignition to optimize the work environment of the ignition nozzle and accelerate the speed of ignition.The final experiment shows that the optimization scheme has handled the problem on starting performance of this aircraft core-engine.关键词
航空发动机/核心机试验/起动规律研究/点火性能优化/燃油规律/燃油管路填充Key words
aircraft engine/core engine/study on starting control law/starting performance optimizing/fuel supply law/fuel pipe filling分类
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张怡超..某型航空发动机核心机起动点火性能优化方案研究[J].科技创新与应用,2024,14(12):144-147,4.
