IN-SITU MONITORING OF HIGH-TEMPERATURE DEGRADED ENGINE OIL CONDITION WITH MICROSENSORS

被引：21

作者：

LEE, HS ^{[1
]}

WANG, SS ^{[1
]}

SMOLENSKI, DJ ^{[1
]}

VIOLA, MB ^{[1
]}

KLUSENDORF, EE ^{[1
]}

机构：

[1] GM CORP,CTR RES & DEV,DEPT FUELS & LUBRICANTS,WARREN,MI 48090

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 1994年 / 20卷 / 01期

关键词：

D O I：

10.1016/0925-4005(93)01168-4

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Using proper oils to lubricate an engine is very important. There is a need for a sensor to monitor the condition of the oil to ensure the engine is properly protected. In this paper, a microsensor is put in a test engine which is operated at the ASTM Sequence IIIE conditions. The sensor has two electrodes with an interdigitated pattern. The spacing between electrodes is about 5 mum and the sensing electrodes cover 7 mmX7 mm in area. With an a.c. sawtooth waveform voltage applied to the electrodes, an oil-condition-dependent current can be collected by the sensor. This current is rectified and converted to a d.c. voltage output. Different brands of engine oils are used in the test. Results show that the sensor has a voltage output that increases with the oil degradation time. The sensor is able to detect glycol contamination in oil as well.

引用

页码：49 / 54

页数：6

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