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Electric field analysis of spinneret design for multihole electrospinning system

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Abstract

Electric field plays a key role in producing required nanofibers in electrospinning. This study aims to improve the electric field distribution of the multijet spinning system by designing the spinneret configuration. A novel 19-hole multistep electrospinning configuration is presented. The simulation results show that the electric field strength at the central position is intensified due to the protuberant step on the spinneret, and therefore more uniform electric field is obtained compared with the 19-hole flat spinneret. We demonstrate that the multistep spinneret configuration produces finer fibers and more continuous fiber mats compared with the flat spinneret configuration because of the improved electric field distribution. Jet repulsion in the multijet electrospinning process is studied. It is found that the electric field line distribution, which is determined by the spinneret configuration, plays a dominant role in influencing jet repulsion. Applied voltage is the main factor responsible for jet repulsion for a given spinneret configuration.

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Acknowledgements

This study was financially supported by the National Natural Science Foundation of China (11272088), Shanghai Dawning Program (10SG33), the Fundamental Research Funds for the Central Universities, and the China Scholarship Council. The authors would also like to thank Miss Eleanor Trimble for her contributions while proofreading the article for English and grammar.

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Authors and Affiliations

  1. College of Textiles, Donghua University, Songjiang, Shanghai, 201620, People’s Republic of China

    Yuansheng Zheng & Yongchun Zeng

  2. Key Laboratory of Textile Science & Technology, Ministry of Education, Donghua University, Shanghai, 201620, People’s Republic of China

    Yongchun Zeng

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  1. Yuansheng Zheng
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  2. Yongchun Zeng
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Correspondence to Yongchun Zeng.

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Zheng, Y., Zeng, Y. Electric field analysis of spinneret design for multihole electrospinning system. J Mater Sci 49, 1964–1972 (2014). https://doi.org/10.1007/s10853-013-7882-8

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  • DOI: https://doi.org/10.1007/s10853-013-7882-8

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