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Air entrainment in web handling: To be avoided or mastered?
(Oklahoma State University, 1997-06)
The presence of ambient air is of prime importance in various industrial processes involving web handling. This paper is an attempt to answer the following questions: how does air influence the quality of the final product? ...
Winding plastic films: Experimental study of squeeze film flow between one smooth surface and one "rough" surface
(Oklahoma State University, 1997-06)
The present paper is concerned with experiments which consist in squeezing an air layer between a rigid, smooth surface and a flexible, rough one.
New parameter for dynamic characterization of PET film surface topography
(Oklahoma State University, 1999-06)
It is well-known that handling and winding flexible media involve aerodynamic phenomena which are crucial for the process. Among those parameters which govern the final thickness value of the air layers separating the film ...