Flow Velocity Deviation of Spinning Solution Under Multi-field Coupling 


Vol. 24,  No. 10, pp. 3513-3526, Oct.  2023
10.1007/s12221-023-00349-8


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  Abstract

Rotating jet spinning uses the centrifugal force generated by the high-speed rotation of the motor to keep the spinning solution ejected from the nozzle to form nanofibers. At present, the research work on rotating jet spinning mainly involves the materials, properties and applications of fibers, parameter influence and jet trajectory, while there are few studies on the optimization of spinning core components. In this paper, by analyzing the force and flow state of spinning solution in the flow channel of spinning nozzle, it is found that the maximum velocity region of spinning solution will be offset. The reason for this phenomenon is that the spinning solution is subjected to Coriolis force in the rotating system, resulting in the secondary flow of solution. The relationship between nozzle parameters, solution parameters as well as process parameters, and the outlet velocity of solution was sought, and the structure of spinning nozzle was optimized. The factors affecting velocity offset in straight-tube nozzles and bent-tube nozzles are simulated. High-speed centrifugal spinning experiments were conducted using both unoptimized and optimized nozzles.

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  Cite this article

[IEEE Style]

Z. Zhang, D. Hong, X. Huang, K. Liu, Q. Xu, Z. Chen, Q. Ji, C. Ke, "Flow Velocity Deviation of Spinning Solution Under Multi-field Coupling," Fibers and Polymers, vol. 24, no. 10, pp. 3513-3526, 2023. DOI: 10.1007/s12221-023-00349-8.

[ACM Style]

Zhiming Zhang, Da Hong, Xinyu Huang, Kang Liu, Qiao Xu, Zhen Chen, Qiaoling Ji, and Changjin Ke. 2023. Flow Velocity Deviation of Spinning Solution Under Multi-field Coupling. Fibers and Polymers, 24, 10, (2023), 3513-3526. DOI: 10.1007/s12221-023-00349-8.

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