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Numerical Simulation of the Condensing Effect of Different Suction Slots on Fiber Strands in a Compact Siro Spinning Machine with Lattice Apron

机译:用晶格围裙的紧凑型Siro纺纱机中不同吸入槽对纤维股上的凝结效果的数值模拟

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Compact-siro spun with lattice apron combines compact spinning and siro spinning, and is widely put into practice. In this paper, compact-siro spun models with the parallel shaped slots, oblique parallel shaped slots and V-shaped slots were simulated. Based on the airflow data in the condensing zone, the geometrical model of single fiber is built, and then the trajectory of single fiber can be got. The morphological changes and movement process of fiber strands in the flow field of condensing zone were verified by the comparison experiments of yarn morphology, hairiness, tensile and evenness properties. The results showed that the V-shaped slot achieved the optimal agglomeration effect and yarn performance. The theory analysis gives foundation and explanation for the experiment, and also provides a theoretical basis for optimizing the properties of compact-siro yarn in production practice.
机译:Compact-Siro用晶格挡板旋转结合了紧凑的纺纱和Siro纺纱,并广泛付诸实践。在本文中,模拟了具有平行形状槽,倾斜平行形状的槽和V形槽的紧凑型Siro纺丝型号。基于冷凝区域中的气流数据,构建了单光纤的几何模型,然后可以得到单光纤的轨迹。通过纱线形态,毛眼,拉伸和均匀性的比较实验验证了冷凝区流动场中纤维股线的形态变化和运动过程。结果表明,V形槽达到了最佳的附聚效果和纱线性能。该理论分析为实验提供了基础和解释,还提供了优化生产实践中紧凑型Siro纱的特性的理论依据。

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