Characteristics Study of In-Situ Capacitive Sensor for Monitoring Lubrication Oil Debris

As an essential part of engine health monitoring (EHM), online lubrication oil debris monitoring has recently received great attention for the assessment of rotating and reciprocating parts in aero-engines, due to its high integration, low cost and safe characteristics. However, it is be a challenge...

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Main Authors: Zhibin Han, Yishou Wang, Xinlin Qing
Format: Article
Language:English
Published: MDPI AG 2017-12-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/17/12/2851
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author Zhibin Han
Yishou Wang
Xinlin Qing
author_facet Zhibin Han
Yishou Wang
Xinlin Qing
author_sort Zhibin Han
collection DOAJ
description As an essential part of engine health monitoring (EHM), online lubrication oil debris monitoring has recently received great attention for the assessment of rotating and reciprocating parts in aero-engines, due to its high integration, low cost and safe characteristics. However, it is be a challenge to find a suitable sensor operating in such a complex environment. We present an unconventional novel approach, in which a cylinder capacitive sensor is designed and integrated with the pipeline of an engine lubrication system, so that the capacitive sensor can effectively detect changes in the lubrication oil condition. In this paper, an attempt to illustrate the performance characteristics of the developed cylinder capacitive sensor is made, through an experiment system that simulates a real scenario of a lubrication oil system. The main aim of the research was to qualitatively describe the relationship between the sensor parameter and the lubrication oil debris. In addition, the effect of the temperature and flow rate of the lubrication oil on capacitance change was performed by several experiments and we figured out a compensation method. The experimental results demonstrated that the cylinder capacitive sensor can potentially be used for lubrication oil debris monitoring of the health condition of an aero-engine.
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spelling doaj.art-cdc475ee8dbc485e9945297d6c34036e2022-12-22T02:21:52ZengMDPI AGSensors1424-82202017-12-011712285110.3390/s17122851s17122851Characteristics Study of In-Situ Capacitive Sensor for Monitoring Lubrication Oil DebrisZhibin Han0Yishou Wang1Xinlin Qing2School of Aerospace Engineering, Xiamen University, Xiamen 361005, ChinaSchool of Aerospace Engineering, Xiamen University, Xiamen 361005, ChinaSchool of Aerospace Engineering, Xiamen University, Xiamen 361005, ChinaAs an essential part of engine health monitoring (EHM), online lubrication oil debris monitoring has recently received great attention for the assessment of rotating and reciprocating parts in aero-engines, due to its high integration, low cost and safe characteristics. However, it is be a challenge to find a suitable sensor operating in such a complex environment. We present an unconventional novel approach, in which a cylinder capacitive sensor is designed and integrated with the pipeline of an engine lubrication system, so that the capacitive sensor can effectively detect changes in the lubrication oil condition. In this paper, an attempt to illustrate the performance characteristics of the developed cylinder capacitive sensor is made, through an experiment system that simulates a real scenario of a lubrication oil system. The main aim of the research was to qualitatively describe the relationship between the sensor parameter and the lubrication oil debris. In addition, the effect of the temperature and flow rate of the lubrication oil on capacitance change was performed by several experiments and we figured out a compensation method. The experimental results demonstrated that the cylinder capacitive sensor can potentially be used for lubrication oil debris monitoring of the health condition of an aero-engine.https://www.mdpi.com/1424-8220/17/12/2851capacitive sensorlubrication oil debrischaracteristicsengine health monitoring
spellingShingle Zhibin Han
Yishou Wang
Xinlin Qing
Characteristics Study of In-Situ Capacitive Sensor for Monitoring Lubrication Oil Debris
Sensors
capacitive sensor
lubrication oil debris
characteristics
engine health monitoring
title Characteristics Study of In-Situ Capacitive Sensor for Monitoring Lubrication Oil Debris
title_full Characteristics Study of In-Situ Capacitive Sensor for Monitoring Lubrication Oil Debris
title_fullStr Characteristics Study of In-Situ Capacitive Sensor for Monitoring Lubrication Oil Debris
title_full_unstemmed Characteristics Study of In-Situ Capacitive Sensor for Monitoring Lubrication Oil Debris
title_short Characteristics Study of In-Situ Capacitive Sensor for Monitoring Lubrication Oil Debris
title_sort characteristics study of in situ capacitive sensor for monitoring lubrication oil debris
topic capacitive sensor
lubrication oil debris
characteristics
engine health monitoring
url https://www.mdpi.com/1424-8220/17/12/2851
work_keys_str_mv AT zhibinhan characteristicsstudyofinsitucapacitivesensorformonitoringlubricationoildebris
AT yishouwang characteristicsstudyofinsitucapacitivesensorformonitoringlubricationoildebris
AT xinlinqing characteristicsstudyofinsitucapacitivesensorformonitoringlubricationoildebris