[1]孟祥睿,马新灵,张宏选,等.销钉机筒橡胶挤出机内胶料三维剪切效果模拟[J].郑州大学学报(工学版),2006,27(02):56-61.[doi:10.3969/j.issn.1671-6833.2006.02.014]
　Meng Xiangrui,Ma Xinling,ZHANG Hongxuan,et al.Simulation of three-dimensional shearing effect of rubber material in pin barrel rubber extruder[J].Journal of Zhengzhou University (Engineering Science),2006,27(02):56-61.[doi:10.3969/j.issn.1671-6833.2006.02.014]
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销钉机筒橡胶挤出机内胶料三维剪切效果模拟()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
27卷
期数:
2006年02期
页码:
56-61
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Simulation of three-dimensional shearing effect of rubber material in pin barrel rubber extruder
作者:
孟祥睿; 马新灵; 张宏选; 等.
郑州大学化工学院,河南,郑州,450002, 郑州大学化工学院,河南,郑州,450002, 郑州大学化工学院,河南,郑州,450002, 郑州大学化工学院,河南,郑州,450002, 郑州大学化工学院,河南,郑州,450002
Author(s):
Meng Xiangrui; Ma Xinling; ZHANG Hongxuan; etc
关键词:
数值模拟;  销钉机筒;  剪切率;  FLUENT
Keywords:
DOI:
10.3969/j.issn.1671-6833.2006.02.014
文献标志码:
A
摘要:
利用CFD(计算流体力学)软件FLUENT,以单螺杆销钉机筒橡胶挤出机内熔融段和计量段的非牛顿流体为对象,对其三维剪切效果进行模拟.通过对比有销钉和无销钉情况下螺槽横截面上和不同半径圆柱截面上的剪切效果,发现销钉能加强对挤出机内的胶料的剪切作用,有利于减少螺楞根部的停滞区,并且每排销钉个数越多,对胶料的剪切作用越大;通过对整个流体区域内流场的体积加权平均剪切率对比发现,销钉能有效提高其平均剪切率14%～28%,并大幅减小剪切的不均匀性.
Abstract:
Using the CFD (Computational Fluid Dynamics) software FLUENT, the three-dimensional shear effect of the melt section and the metering section of the rubber extruder of the single screw pin barrel is simulated for non-Newtonian fluids. By comparing the shear effect on the cross-section of the screw groove and the cylindrical section of different radii with and without pins, it is found that the pin can strengthen the shear effect on the rubber material in the extruder, which is conducive to reducing the stagnant zone of the root of the screw, and the more pins per row, the greater the shear effect on the rubber material; By comparing the volume-weighted average shear rate of the flow field in the entire fluid region, it is found that the pin can effectively increase the average shear rate by 14%~28%, and greatly reduce the shear inhomogeneity.

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更新日期/Last Update: 1900-01-01