Simulation investigation of temperature distribution in large aluminium panel during autoclave age forming process

Yongqian Xu, L. Zhan
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Abstract

In autoclave age forming process (AAF), temperature uniformity in large aluminium panel is one of the most important factors affecting its final shape and performance. In order to predict the temperature field of the panel, a 3D computational fluid dynamics model for autoclave processing of a large aluminium panel is developed and experimental evaluated. A good fitting between the experimental data and calculated results is obtained. During the heating process, the slowest heating points are positioned at the intermediate positions between 15-40% and between 55-70% of the panel length. The panel's peak temperature difference was appeared in the primary stage of soaking process due to the conduction between the panel and mould. It can be concluded that the developed CFD can further used to provide guidance for mould design and processing parameters optimisation.
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大型铝板热压釜时效成形过程温度分布的模拟研究
在高压釜时效成形过程中,大型铝板的温度均匀性是影响其最终形状和性能的重要因素之一。为了预测铝板的温度场,建立了大型铝板热压成型的三维计算流体力学模型,并对其进行了实验评价。实验数据与计算结果拟合良好。在加热过程中,最慢的加热点位于面板长度的15-40%和55-70%之间的中间位置。面板的峰值温差出现在浸泡过程的初级阶段,这是由于面板与模具之间的传导。可以得出结论,所开发的CFD可以进一步为模具设计和工艺参数优化提供指导。
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来源期刊
CiteScore
1.20
自引率
0.00%
发文量
3
期刊介绍: IJCMSSE is a refereed international journal that aims to provide a blend of theoretical and applied study of computational materials science and surface engineering. The scope of IJCMSSE original scientific papers that describe computer methods of modelling, simulation, and prediction for designing materials and structures at all length scales. The Editors-in-Chief of IJCMSSE encourage the submission of fundamental and interdisciplinary contributions on materials science and engineering, surface engineering and computational methods of modelling, simulation, and prediction. Papers published in IJCMSSE involve the solution of current problems, in which it is necessary to apply computational materials science and surface engineering methods for solving relevant engineering problems.
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