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Viscosity Profile Measurement in Journal Bearing by Shear Ultrasonic Reflection

机译:剪切超声反射法测量轴颈轴承的粘度分布

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In a journal bearing application,viscosity is a key property of the lubricant that affects bearing performance.Viscosity of the lubricant controls the film thickness established during an operation. In the present work,an ultrasonic method has been used to measure the viscosity profile around an operating journal bearing. The reflection coefficient profile around the journal was established. A transducer was mounted inside the hollow shaft and the signal passed through slip rings. The journal bearing was run at a series of loads and rotational speeds. The transducer continuously pulsed and received as it swept around the bush circumference. This has enabled the viscosity profile to be established. The technique introduced to measure viscosity in journal bearing achieved acceptable results in certain regions of the journal bearing flow.
机译:在轴颈轴承应用中,粘度是影响轴承性能的关键性能。润滑剂的粘度控制操作过程中形成的膜厚。在当前的工作中,已经使用超声波方法来测量工作轴颈轴承周围的粘度分布。建立了轴颈周围的反射系数轮廓。传感器安装在空心轴内部,信号通过滑环传递。轴颈轴承在一系列负载和转速下运行。换能器连续扫掠灌木丛周围时不断发出脉冲并接收信号。这使得能够建立粘度曲线。引入的用于测量轴颈轴承粘度的技术在轴颈轴承流量的某些区域达到了可接受的结果。

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