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Modelling of the transient cooling of coiled hot strip products by influence of the contact pressure

机译:卷材热轧带钢产品瞬态冷却的接触压力影响建模

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It has always been of greatest importance to control the temperature distribution in the products throughout the hot strip rolling process including the final coiling operation. A computational model of the latter has been developed and validated, which is presented in this paper. Furthermore, the influences of the different parameters on the transient thermal distribution are evaluated. The formulated model as accounts for one-dimensional heat conduction is assuming axisymmetric conditions. Temperature dependent properties are accounted for resulting in a nonlinear heat conduction problem that is solved by use of the Finite Element Method (FEM). The calculations have been validated by two full scale measurement campaigns and despite of the one dimensional approximation it shows a good agreement with measurements.
机译:在整个热轧带钢过程(包括最终的卷取操作)中,控制产品中的温度分布始终至关重要。已开发并验证了后者的计算模型,本文对此进行了介绍。此外,评估了不同参数对瞬态热分布的影响。考虑一维热传导的公式化模型假设轴对称条件。考虑到温度相关的特性会导致非线性导热问题,可通过使用有限元方法(FEM)解决该问题。该计算已通过两次全面测量活动进行了验证,尽管具有一维近似值,但它与测量值显示出良好的一致性。

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