基于CFD的冰箱门体发泡过程模拟方法

doi:10.19784/j.cnki.issn1672-0172.2019.01.0013

家电科技 ›› 2019, Vol. 0 ›› Issue (3): 82-84.doi: 10.19784/j.cnki.issn1672-0172.2019.01.0013

基于CFD的冰箱门体发泡过程模拟方法

李乾坤¹, 柯庆镝², 田亚明¹, 尚松柏²

1.长虹美菱股份有限公司安徽合肥 230601;
2.合肥工业大学机械工程学院安徽合肥 230009

出版日期:2019-06-01 发布日期:2019-07-03

Simulation method of fridge door foaming process based on CFD

LI Qiankun¹, KE Qingdi², TIAN Yaming¹, SHANG Songbai²

1.Changhong Meiling Co., Ltd Hefei 230601;
2.College of mechanical engineering, Hefei University of Technology Hefei 230009

Online:2019-06-01 Published:2019-07-03

摘要/Abstract

摘要： 为了验证聚氨酯是否能在冰箱门体内充满以及观察在各个时刻冰箱门体内聚氨酯的体积分数,建立了聚氨酯注塑充型流动的数学模型,运用计算流体力学知识,使用前处理软件对冰箱实际门体模型进行网格的划分,使用Fluent软件进行聚氨酯注塑数值模拟,进行纯流场分析。结果表明：随着填充的进行,聚氨酯的体积分数在不断增大,空气的体积分数逐渐被聚氨酯取代,当填充进行到61s左右时,聚氨酯的体积分数相对达到最大,即充满了整个冰箱门体的腔体内部,至此填充过程结束。

关键词: 数值模拟, 注塑充型, 体积分数计算, 流体力学

Abstract: To verify whether the polyurethane can be filled in the refrigerator door and observe the volume fraction of the polyurethane at all times, a mathematical model of the flowing filling of polyurethane is established, where with the knowledge of computational fluid dynamics, the writer uses the pre-processing software to divide the actual door model of the refrigerator into grids, and uses fluent software to carry out numerical simulation of polyurethane injection and analysis of pure flow field. The results show that with the filling, the volume fraction of polyurethane increases and the volume fraction of air is gradually replaced. When at 61s or so, the volume fraction of polyurethane reaches the maximum, and polyurethane fills the whole body cavity of the refrigerator door, when the filling process ends.

Key words: Numerical simulation, Injection molding, Volume fraction, Computational fluid dynamics

李乾坤, 柯庆镝, 田亚明, 尚松柏. 基于CFD的冰箱门体发泡过程模拟方法[J]. 家电科技, 2019, 0(3): 82-84.

LI Qiankun, KE Qingdi, TIAN Yaming, SHANG Songbai. Simulation method of fridge door foaming process based on CFD[J]. Journal of Appliance Science & Technology, 2019, 0(3): 82-84.

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基于CFD的冰箱门体发泡过程模拟方法

Simulation method of fridge door foaming process based on CFD

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