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논문 기본 정보

자료유형
학술저널
저자정보
Zhenhua Wen (Zhengzhou Institute of Aeronautical Industry Management) Junxing Hou (Zhengzhou Institute of Aeronautical Industry Management) ZhiQiang Jiang (Zhengzhou Institute of Aeronautical Industry Management)
저널정보
한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.16 Number.2
발행연도
2015.6
수록면
247 - 253 (7page)

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초록· 키워드

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The components of an aero-engine gas path cannot be monitored in a timely way due to a lack of real-time monitoring technologies. As an attempt to address this problem, we have conducted research on a condition monitoring technology based on the charging characteristics of particles in an aero-engine gas path, and emphatically analyze the formation of particles in an aero-engine gas path, the charging mechanism of carbon particles and the factors that influence the charge quantity and polarity. The verification experiments are performed on the simulated experiment platform and a turbo-shaft engine test bench. The results show the carbon particles’ carry charge, and an obvious change in the total electrostatic charge level in the aero-engine gas path due to the increased carbon particles produced by burning or abnormal metal particles; the charge number is related to the size of particles, and the bigger carbon particles carry a negative charge and metal particles carry a positive charge; the change in engine power can lead to an obvious change in the level of electrostatic charge in the gas path, and the change in electrostatic charge results from the extra carbon particles formed in the rich-oil burning process. The research provides a reference for establishing the baseline of electrostatic charge while the engine runs on different power. The study also demonstrates the validity of the electrostatic monitoring technology and establishes a base for developing the application of electrostatic monitoring technology in aero-engines.

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Abstract
1. Introduction
2. Source of the charged particles in the aero-engine gas path
3. The effect factors on the electrostatic charge in the aero-engine gas path
4. Simulation experiment of electrostatic detection
5. Conclusions
References

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