Investigation of bearing inner ring-cage thermal characteristics based on CdTe quantum dots fluorescence thermometry

被引：21

作者：

Yan, Ke ^{[1
]}

Yan, Bei ^{[1
]}

Li, Ben Q. ^{[2
]}

Hong, Jun ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Key Lab, Educ Minist Modern Design & Rotor Bearing Syst, Xian 710049, Peoples R China

[2] Univ Michigan, Dept Mech Engn, Coll Engn & Comp Sci, Dearborn, MI 48128 USA

来源：

APPLIED THERMAL ENGINEERING | 2017年 / 114卷

基金：

中国国家自然科学基金;

关键词：

CdTe-QDs temperature sensor; High speed rolling bearing; Rolling elements monitoring; TEMPERATURE; PROBES;

D O I：

10.1016/j.applthermaleng.2016.11.205

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A novel wireless temperature sensor and non-intrusive temperature measurement method for bearing monitoring were proposed in this paper, based on spectrum parameter analysis of CdTe quantum dots films. The CdTe QDs were synthesized and were used in constructing of a sensor film by means of Layer-by-layer Electrostatic Self-assembly method. The fluorescence spectrum properties of the sensor were characterized. At rotation speed 5000-6000 r/min, bearing cage and inner ring temperature were presented first in this paper by the CdTe QDs sensor. The results were verified by theoretical analysis and by thermocouples, with an error typically below 10% or smaller. Compared to the traditional outer ring monitoring, the measurement and monitoring of bearing rolling elements is of very importance, especially at high rotation speed. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：279 / 286

页数：8

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