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Numerical modeling and experimental investigation of fiber diameter of melt blowing nonwoven web

Bo Zhao (College of Textiles, Zhongyuan University of Technology, Zhengzhou, China.)

International Journal of Clothing Science and Technology

ISSN: 0955-6222

Article publication date: 2 March 2015

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Abstract

Purpose

The purpose of this paper is to varify, the air drawing model and the air jet flow field model of dual slot shape die for a polymer in a melt blowing process were established, by the experimental results obtained with experimental equipment.

Design/methodology/approach

The air jet flow field model is solved by introducing the finite difference method. The air drawing model of polymers in the melt blowing process was studied with the help of the simulation results of the air jet flow field.

Findings

The higher air initial velocity and air initial temperature can all yield finer fibers and causes the fibers to be attenuated to a greater extent.

Originality/value

The predicted fiber diameter agrees well with the experimental result, which verifies the reliability of these models. At the same time, the results also reveal the great potential of this research for the computer-assisted design of melt blowing technology.

Keywords

Acknowledgements

The author would like to thank Professors Zhenhua Lu and Yingzheng Liu of Turbo machinery Institute in Shanghai Jiao Tong University, for the assistance in the design and construction of the experimental apparatus. The permission by Phoenics Inc. to use their software with an educational license is gratefully acknowledged.

Citation

Zhao, B. (2015), "Numerical modeling and experimental investigation of fiber diameter of melt blowing nonwoven web", International Journal of Clothing Science and Technology, Vol. 27 No. 1, pp. 91-98. https://doi.org/10.1108/IJCST-10-2013-0110

Publisher

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Emerald Group Publishing Limited

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