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Abstract

With the development of the textile industry, requirements relating to the quality of spinning of fibers to form yarn are becoming increasingly stringent. This paper analyzes the force of fibers in airflow to develop a drafting model and a twisted structural model of airflow, and numerically simulates the internal flow field of the drafting and twisting structures to obtain the optimal parameters for the model and nozzle. The structure is designed to improve the spinnability of different fibers. A fluid–solid coupling simulation is used to analyze the movement of fibers in the drafting channel, and parameters of the model are analyzed and optimized. The proposed model provides theoretical support for improving the speed and quality of spinning.

Keywords

new spinning air spinning fiber model drafting channel fluid–solid coupling numerical simulation

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Fiber motion model based on yarn-forming mechanism in airflow

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