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Movement of fibers in assemblies

机译:组件中纤维的运动

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摘要

Previous studies of the mechanics of fiber assemblies have neglected fiber movements that are due to perturbations of the assembly. Axial movements, which are treated in the paper, are important in pilling, bagging, felting, and incremental drafting of yarns in weaving, but lateral movements may also occur. A dynamical model is analogous to molecular statistical mechanics. Both a diffusion model and a driven model are presented. The resistance to movement is due to gripping forces, which may be externally imposed or caused by structural features, such as twist; both are easy to take into account. The geometric forms of entanglements and the way in which they add to frictional resistance are discussed in more detail.
机译:先前对纤维组件的力学的研究忽略了由于组件的扰动而引起的纤维运动。纸上处理的轴向运动对于编织中纱线的起球,起球,起毛和增量牵伸很重要,但也可能发生横向运动。动力学模型类似于分子统计力学。同时介绍了扩散模型和驱动模型。运动阻力是由于夹紧力引起的,夹紧力可能是外部施加的,也可能是结构特征(例如扭曲)引起的;两者都很容易考虑。纠缠的几何形式及其增加摩擦阻力的方式将进行更详细的讨论。

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