Heat and moisture transport in a paper sheet moving over a hot print surface

P.A. Marin Zapata, M.A.L.J. Fransen, J.H.M. Thije Boonkkamp, ten, L.H. Saes

Onderzoeksoutput: Boek/rapportRapportAcademic

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The generation of moisture-induced deformations during the final use of paper is of concern for the printing industry. Knowing the moisture profiles during printing is a primary step in order to understand such deformations. In this paper we derive a mathematical model to describe the heat and moisture transport in paper, and use this model to study the moisture gradients induced on a paper sheet by a printer from Océ Technologies, which contains a hot print surface. The model regards paper as a porous medium saturated with air, and it considers heat and moisture transport along the length and thickness directions of the sheet. Several physical parameters are determined experimentally; others are taken from literature. The system of coupled differential equations is solved iteratively, and the numerical results are also used to identify the relevant driving forces in the temperature-induced moisture changes in paper.
Originele taal-2Engels
Plaats van productieEindhoven
UitgeverijTechnische Universiteit Eindhoven
Aantal pagina's17
StatusGepubliceerd - 2012

Publicatie series

ISSN van geprinte versie0926-4507

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