Development of temperature prediction model for rubber caster wheels using finite elements

机译：使用有限元的橡胶踏板温度预测模型的研制

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Caster wheels made with rubber rings fail during dynamic loading as a result of heat buildup. Temperature inside caster wheel increase gradually due to hysteresis effect of rubber material. Therefore, dynamically testing of rubber caster wheels is critical to evaluate new designs for their successful application. In such tests, caster wheels are rotated on a drum under a predetermined load and speed to evaluate their performance. Alternatively, this paper proposes a temperature prediction model to forecast the failure of the wheel using numerical approach. The objectives were to evaluate the temperature development inside the wheel using finite elements. In this pursuit, temperature inside several caster wheels were measured during dynamic tests. Based on the logged temperature data and raw material tests, finite element simulation of caster wheels was performed. Simulations were carried out in three steps; at first structural simulation, followed by determination of energy conversion factors and finally thermal simulation. The predicted temperature profiles and test data were closely matching with a R of 0.9, which eliminates the requirement for iterative dynamic tests. However, further work is needed to predict the failures of caster wheels based on developed model.

机译：由于热堆积而导致时，用橡胶环制造的施法者车轮在动态负载期间失效。由于橡胶材料的滞后效果，脚轮内的温度逐渐增加。因此，橡胶踏板的动态测试对于评估其成功应用的新设计至关重要。在这种测试中，施足车轮在滚筒上旋转在预定的负载和速度下，以评估它们的性能。或者，本文提出了一种温度预测模型，以预测车轮使用数值方法的故障。目标是使用有限元评估车轮内的温度显影。在这种追求中，在动态测试期间测量了几个脚轮内的温度。基于Logged温度数据和原料测试，进行了脚轮的有限元模拟。模拟三个步骤;在第一结构模拟，然后确定能量转换因子和最终热模拟。预测的温度分布和测试数据与0.9的R紧密匹配，这消除了迭代动态测试的要求。然而，需要进一步的工作来预测基于开发模型的施法者车轮的故障。

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《Moratuwa Engineering Research Conference》|2017年|xxii 496 p.|共6页
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作者
A.V. Wijayasundara; R.K.P.S. Ranaweera; H.K.G. Punchihewa;
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中图分类输配电工程、电力网及电力系统;
关键词
Wheels; Rubber; Load modeling; Plastics; Temperature measurement; Temperature; Tires;

机译：车轮;橡胶;载荷建模;塑料;温度测量;温度;轮胎;

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Development of temperature prediction model for rubber caster wheels using finite elements

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