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Received September 5, 2003
Accepted April 8, 2004
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Modeling of the Drying Process in Paper Plants
Department of Chemical Engineering, Hanyang University, Seoul 133-791, Korea 1J. J. Engineering, Seoul 133-791, Korea
Korean Journal of Chemical Engineering, July 2004, 21(4), 761-766(6), 10.1007/BF02705517
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Abstract
In this study a model for the drying process in paper production plants was developed based on the mass and heat balances around drying cycles. Relationships for the heat transfer coefficients between the web and the air as well as between the drying cylinder and the web were extracted from the closed-loop plant operation data. It was found that the heat transfer coefficients could be represented effectively in terms of moisture content, basis weight and reel velocity. The effectiveness of the proposed model was illustrated through numerical simulations. From the comparison with the operation data, the proposed model represents the paper plant being considered with sufficient accuracy.
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Depoy JA, Pulp Paper Magaz. Canada, 73, 67 (1972)
Karlsson M, "Results from On-Line Investigations of Paper Contact Dyring Process," Drying '80, 322 (1984)
Karlsson M, "Papermaking Science and Technology Book 9," Fapet Oy., 55 (2000)
Karlsson M, Stenstrom S, Baggerud E, Nordic Pulp Paper Res. J., 17, 66 (2002)
Mori Y, Shimizu H, Takao K, Ikari T, Nambu T, "Development of A New Automatic Grade Change System for Paper Machine," Proceedings from Control Systems '2000, Victoria, B.C., Canada, 231 (2000)
Yeo YK, Roh HD, Kim IW, Moon I, Chung Y, Korean J. Chem. Eng., 20(2), 200 (2003)
Yoo CK, Lee JM, Lee IB, Korean J. Chem. Eng., 21(1), 14 (2004)
Yu YH, Sosna MH, Korean J. Chem. Eng., 18(1), 127 (2001)
