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首页> 外文期刊>International Journal of Heat and Mass Transfer >Experiments And Models For The Thermal Response Of Railroad Tapered-roller Bearings
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Experiments And Models For The Thermal Response Of Railroad Tapered-roller Bearings

机译：铁路圆锥滚子轴承热响应的实验与模型

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摘要

The need to understand and quantify the heat transfer paths within tapered-roller bearings is of great importance in the railroad industry since bearing cup temperature measurement is the primary tool utilized in the removal of distressed bearings from service. Experiments were performed to acquire temperature histories at several locations on a stationary bearing subjected to heat sources imbedded in two rollers. The experimental results were compared to zero- and first-order thermal models to estimate overall heat transfer coefficients from the bearing. The results presented here can be used to explain some of the mechanisms that lead to overheating of tapered-roller bearings.
机译：在铁路行业中，了解和量化圆锥滚子轴承内的传热路径非常重要，因为轴承杯温度测量是将不良轴承退役的主要工具。进行实验以获取固定轴承的多个位置处的温度历史记录，该轴承承受了嵌入两个辊子中的热源。将实验结果与零阶和一阶热模型进行比较，以估算轴承的总传热系数。此处提供的结果可用于解释某些导致圆锥滚子轴承过热的机理。

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