某型涡轴发动机性能衰减与部件退化评估

黄开明; LIYi-Guang; 张伟; 冯兴; 蔡建兵

doi:10.13224/j.cnki.jasp.2015.11.015

某型涡轴发动机性能衰减与部件退化评估

doi: 10.13224/j.cnki.jasp.2015.11.015

1. 中国航空工业集团公司中国航空动力机械研究所, 湖南株洲 412002;
2. 克兰菲尔德大学航空运输工程学院, 贝德福德郡MK43 0AL

详细信息

作者简介:
黄开明(1970-)男,湖南沅江人,研究员,博士,研究方向为航空发动机总体性能与控制规律优化.

中图分类号: V233.7
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出版历程
- 收稿日期: 2014-08-17
- 刊出日期: 2015-11-28

Performance degradation and components deterioration degree estimation for a turboshaft engine

1. China Aviation Powerplant Research Institute, Aviation Industry Corporation of China, Zhuzhou Hunan 412002;
2. School of Aerospace, Transport and Manufacturing, Cranfield University, Cranfield Bedfordshire, MK43 0AL, United Kingdom

摘要

摘要: 为在某型涡轴发动机持久试验中进行性能健康检查,采用多点匹配方法建立了个体发动机性能衰减计算模型,基于非线性气路分析方法对部件性能退化进行了计算,集合已有经验确定性能偏离部件,完成了某型发动机持久试验中不同阶段的性能衰减评估.结果表明,某型发动机性能衰减及部件性能退化成阶段性分布,前期压气机和燃气涡轮性能变化最快,随后处于相对稳定阶段,动力涡轮性能在目前试验时数范围内基本无变化.该方法的验证为涡轴发动机使用过程中的性能健康与评估提供了有益的经验.
- 涡轴发动机 /
- 部件特性图 /
- 性能衰减 /
- 气路分析 /
- 退化评估
Abstract: To monitor the performance and health conditions of a turboshaft engine during an endurance test, an engine mathematical model was set up and adapted to its real performance by adjusting component maps using a multiple-point performance adaption method. Gas path diagnostic analysis of the engine based on a non-linear gas path analysis (GPA) methodology was performed. In combination with field experiences, evaluation of the engine gas path component deterioration during an engine endurance test was carried out. The results indicated that the engine performance deviation and component deterioration varied over time. During initial phase of the test, the performance of the compressor and the compressor turbine deviated most rapidly then stabilized afterwards. As for the power turbine, the health was almost unchanged during the entire endurance test. The validation and experience of the GPA diagnostic technique prove that the technology can be applied into engine performance and health check for the evaluation of health of the turboshaft engine in its future service.
- turboshaft engine /
- component maps /
- performance degradation /
- gas path analysis /
- deterioration degree estimation

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参考文献(18)

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