Micro spinning nozzle having 3D profile for fiber generation with spiral air flow

Morimoto, Kenichi; Tada, Yuuki; Takashima, Hiroki; Minamino, Katsushi; Tahara, R.; Konishi, Satoshi

doi:10.1109/memsys.2010.5442521

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“…In a paper by Morimoto et al (2010), the currently used design of a nozzle for Murata vortex spinning is analysed applying a two-and a threedimensional CFD approach. Different nozzles were investigated and produced so that theoretical and practical results could be compared.…”

Section: Cardmentioning

confidence: 99%

Computational fluid dynamics (CFD) and its application to textile technology

Jungbecker

Veit

2012

Simulation in Textile Technology

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Section: Cardmentioning

confidence: 99%

Computational fluid dynamics (CFD) and its application to textile technology

Jungbecker

Veit

2012

Simulation in Textile Technology

View full text Add to dashboard Cite

Designing the Spindle Parameters of Vortex Spinning by Modeling the Fiber/Air Two-Phase Flow

Pei

2014

Journal of Manufacturing Science and Engineering

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Vortex spinning is a novel technology which produces short-staple yarns by utilizing high-speed swirling airflow. The structure of the spindle piays an important role in vortex spinning in terms of its effect on the resuiting yarn properties, ln this paper, a twodimensionai fluid-structure interaction (FSI) modei for the fiber/air two-phase flow is presented to design the two spindle parameters-the spindle cone angle and spindle diameter by evaluating their effects on the fiber dynamics in the flow fleld inside the tnnsting system and the resulting yarn tenacity. The coupling between the fiber and airflow is solved and the motional characteristics of the fiber are obtained. It is found that the fiber moves downstream in a varying wavy shape and its spreaded trailing portion is then in a heiical motion to form the yarn. The results also show that the increase of the spindle cone angle has a negative effect on the tenacity of the produced vortex yarn. The increased spindle diameter gives rise to the decreased vortex yarn tenacity. The numericai results can provide an explanation for the experimental results reported by previous studies.

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Micro spinning nozzle having 3D profile for fiber generation with spiral air flow

Cited by 2 publications

References 5 publications

Computational fluid dynamics (CFD) and its application to textile technology

Computational fluid dynamics (CFD) and its application to textile technology

Designing the Spindle Parameters of Vortex Spinning by Modeling the Fiber/Air Two-Phase Flow

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