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Maximum Temperature and Relaxation Time in Wet Surface Grinding for a General Heat Flux Profile

机译:一般热通量曲线的湿表面磨削中的最高温度和松弛时间

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We solve the boundary-value problem of the heat transfer modeling in wet surface grinding, considering a constant heat transfer coefficient over the workpiece surface and a general heat flux profile within the friction zone between wheel and workpiece. We particularize this general solution to the most common heat flux profiles reported in the literature, that is, constant, linear, parabolic, and triangular. For these cases, we propose a fast method for the numerical computation of maximum temperature, in order to avoid the thermal damage of the workpiece. Also, we provide a very efficient method for the numerical evaluation of the transient regime duration (relaxation time).
机译:考虑到工件表面上恒定的传热系数和砂轮与工件之间的摩擦区内的一般热通量分布,我们解决了湿表面磨削中传热建模的边值问题。我们将这种通用解决方案具体化为文献中报告的最常见的热通量曲线,即恒定,线性,抛物线形和三角形。对于这些情况,我们提出了一种用于最高温度数值计算的快速方法,以避免工件的热损伤。此外,我们提供了一种非常有效的方法来进行瞬态持续时间(松弛时间)的数值评估。

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