Is Side Air Leakage Affecting the Accuracy of the Air Entrainment Model?
Download this paper! In web winding processes, a thin layer of air is entrianed into rolls. This air reduces the interlayer pressure in the wound roll because the air acts like a sponge between adjacent web layers. Models have limited predictive success in narrow-web winding, especially when a pressure roller is not used. During winding and after a roll is wound the air in the roll leaks out of the sidewalls through narrow gaps between the layers. In this paper:
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