| 微波间隙测量系统研究 |
| Research on Measurement System for Blade Tip Clearance Based on Microwave |
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| 中文摘要: |
| 针对航空发动机恶劣的现场测试环境，分析了基于微波法进行间隙测量的优点，并描述了微波间隙测试系统的组成和采用微波相位法进行间隙测量的原理，最后，通过对微波叶尖间隙测量系统进行的实验验证，证实了测量系统的有效性，同时分析了测量中的主要影响因素，有助于航空发动机实际测试的应用。 |
| 英文摘要: |
| In the context of the harsh measurement conditions of aeroengines, this thesis analyzes the advantage of microwave sensors for the blade tip clearance measurement, and the basic structure of the blade tip clearance measurement system based on microwave is described followed by its principle of the measurement. Finally, the effectiveness of the system is proved on the dynamic experimental system, and the main influence causes are analyzed in detail. It can help the practicality application on the aeroengine test. |
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| 中文关键词: 微波 间隙测量 相位法 航空发动机 动态测试 |
| 英文关键词:microwave blade tip clearance phase aeroengine dynamic measurement |
| 基金项目: |
| DOI：10.11823/j.issn.1674-5795.2016.06.09 |
| 引用本文：吴娅辉,谢兴娟,孙浩琳.微波间隙测量系统研究[J].计测技术,2016,36(6):. |
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