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首页> 外文期刊>The Journal of the Textile Institute >A study on magnetic field of electospinning jet bending instability and magnetic field-assisted alignment mechanism
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A study on magnetic field of electospinning jet bending instability and magnetic field-assisted alignment mechanism

机译：电纺射流弯曲不稳定性的磁场及磁场辅助对准机制的研究

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Bending instability in electrospinning jet motion is the main cause of irregular collection of nanofibers on the collector. This instability forces the jet to go on a conical solenoid like motion, and produce a magnetic field which stabilizes the jet. In this paper, ViziMag software was used to calculate the produced magnetic field through simulating jet motion and investigate some influential parameters including voltage and tip to target distance on field strength. Then, the mechanism of applying external magnetic field in magnetic field-assisted electrospinning (MFAES) was investigated based on the summation of simulated jet magnetic field lines and external magnets drawn by ViziMag software. The magnetic field produced due to electrospinning jet was too small to have any effect on jet alignment but the main cause of alignment in MFAES was collecting the charged jet exactly on the field lines of external magnets which act similar to iron fillings.
机译：静电喷射运动中的弯曲不稳定性是在收集器上不规则收集纳米纤维的主要原因。这种不稳定性迫使射流像锥形螺线管一样运动，并产生使射流稳定的磁场。本文使用ViziMag软件通过模拟射流运动来计算产生的磁场，并研究一些影响参数，包括电压以及从尖端到目标距离的场强。然后，基于模拟喷流磁场线和ViziMag软件绘制的外部磁体的总和，研究了在磁场辅助电纺丝（MFAES）中施加外部磁场的机理。电纺丝射流产生的磁场太小，无法对射流对准产生任何影响，但MFAES中对准的主要原因是将带电射流准确地收集在外部磁体的磁力线上，其作用类似于铁填充物。

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