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Distribution of the Polymer Melt Velocity and Temperature in the Spinneret Channel of Bi-component Fibre Melt Spinning: a Mathematical Model

Research and development

Authors:

• Feng Pei
  College of Mechanical Engineering, Donghua University, Shanghai, P. R. China
• Liu Dashuang
  College of Mechanical Engineering, Donghua University, Padova, P. R. China
• Zhang Ronggen (j/w)
• Yang Chongchang
  College of Mechanical Engineering, Donghua University, Shanghai, P. R. China

Nr DOI: 10.5604/01.3001.0015.2722

Full text

references

Abstract: For the stability of composite fibre spinning, the difference in and distribution of the polymer melt velocity during the spinning are among the factors of importance. Based on the basic equation for the control of composite spinning dynamics, boundary conditions are identified and reported in this paper. A mathematical model for the symmetric and asymmetric distribution of the melt flow velocity in the microhole of the spinneret of the composite spinning assembly was developed. The accuracy of the mathematical model was also ascertained. It gives a theoretical basis for the designing of a composite spinning assembly.

Tags:

composite fibre, spinning assembly, velocity field distribution, mathematical model.

Citation:

Feng P, Liu D, Zhang R, Yang C. Distribution of the Polymer Melt Velocity and Temperature in the Spinneret Channel of Bi-component Fibre Melt Spinning: a Mathematical Model. FIBRES & TEXTILES in Eastern Europe  2021; 29, 6(150): 49-53. DOI: 10.5604/01.3001.0015.2722

Published in issue no 6 (150) / 2021, pages 49–53.