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Assessing the Slice in Terms of Turbulence Control and Sheet Quality

机译:根据湍流控制和薄片质量评估切片

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摘要

While the slice is less often used for fiber control, it remains part of many working paper machines. The issue addressed in this study is whether the slice reduces the effectiveness of the headbox turbulence as flow passes onto the wire. Highly resolved Digital Particle Image Velocimetry measurements were made in a headbox model. Turbulence data and field experience indicate that removing the slice can significantly improve sheet quality. Specific physical mechanisms are provided.
机译:尽管切片很少用于光纤控制,但它仍然是许多工作造纸机的一部分。这项研究中解决的问题是,当流动流到电线上时,薄片是否会降低流浆箱湍流的效率。在流浆箱模型中进行了高度解析的数字粒子图像测速仪测量。湍流数据和现场经验表明,移除切片可以显着改善纸张质量。提供了特定的物理机制。

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