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Design of Quantum Dots for Rolling Bearing Inner Ring-Cage Thermal Monitoring

机译:滚动轴承内环笼热监测量子点设计

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Temperature is one of the most important parameters affecting the service life and performance of rolling element bearings. Based on the temperature sensitive properties of quantum dots (QDs), a non-intrusive temperature measurement method is developed to monitor the temperature variation of the inner ring and cage during bearing operation. The CdTe QDs were synthesized in our laboratories and used in constructing of a sensor film by means of Layer-by-layer Electrostatic Self-assembly method. The fluorescence spectrum properties of the sensors were characterized. The experiment was performed to measure the inner ring and cage temperature of angular contact ball bearing in high speed running condition. Bearing inner ring and cage temperature rise curves were obtained in this paper by the CdTe QDs sensors and compared with the outer ring temperature gotten by platinum thermal resistance sensors.
机译:温度是影响使用寿命和滚动元件轴承性能的最重要的参数之一。 基于量子点(QDS)的温度敏感特性,开发了非侵入式温度测量方法,以监测轴承操作期间内圈和笼的温度变化。 CDTE QD在我们的实验室中合成,并通过层逐层静电自组装方法来构造传感器膜。 表征了传感器的荧光光谱特性。 进行实验以测量高速运行条件下角接触球轴承的内圈和笼温度。 通过CDTE QDS传感器在本文中获得了内环和笼温度升温曲线,并与铂热阻传感器的外环温度相比。

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