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Air entrainment on two sides of a web passing through the nip of two rigid rolls
(Oklahoma State University, 2001-06)
When web materials (paper, plastic films, or metal foils) are wound into rolls, excessive amounts of air can be entrapped between layers of the web, resulting in defective rolls. Entrapped air layer between a coated film ...
Aerodynamic dancer in web handling
(Oklahoma State University, 2007-06)
This paper discusses the aerodynamic dancer that is effective in a wide range of frequency and do not cause excessive lateral web deflection, touching, or flutter. An aerodynamic model of air-turn bar has been developed. ...