Heat and mass transfer transients in cylinder drying: Part II. Felted cylinders

Nissan, A. H.; George, H. H.

doi:10.1002/aic.690070421

Cited by 7 publications

(3 citation statements)

References 2 publications

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“…They also measured the mechanical removal of water a t the separation point of sheet and cylinder. Nissan and George [24] and Kissan,. George, and Hansen [26] extended these results to drying with a felt.…”

Section: :Iiialyses Of Drying By Thc Esferiial Approachmentioning

confidence: 99%

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The Drying of Fibrous Materials

Lyons

Vollers

1971

Textile Research Journal

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This paper explains the drying processes for textile and other porous fibrous materials. The various types of heating methods typically employed for drying fibrous materials are described. Procedures for analyzing the drying process by the external approach and by the internal approach are discussed. A review of the most significant published literature in the field of drying of fibrous materials is presented.

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Section: :Iiialyses Of Drying By Thc Esferiial Approachmentioning

confidence: 99%

“…Nissan and George [24] and Kissan,. George, and Hansen [26] extended these results to drying with a felt. They concluded that liquid removal by the felt is primarily the effect of a pressure gradient caused by trapped, heated air and water vapor.…”

Section: :Iiialyses Of Drying By Thc Esferiial Approachmentioning

confidence: 99%

The Drying of Fibrous Materials

Lyons

Vollers

1971

Textile Research Journal

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“…This work was the one of initial studies related to the paper drying process and described a mathematical model as a second order partial differential equation for each drying phase [6,7]. Wilhelmsson presented a dynamic model for paper machine drying section in which all the evaporation process was assumed to occur at the surface of the paper web.…”

Section: Introductionmentioning

confidence: 99%

Steady-State Modeling of Multi-Cylinder Dryers in a Corrugating Paper Machine

2015

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In this study a steady state model was developed to describe the paper drying process and to analyze pocket dryer condition for a multi-cylinder fluting paper machine in Iran's Mazandaran Wood and Paper Industries. The machine has 35 cylinders grouped in three drying groups and the cylinders are heated from the inside by steam. The model is based on the mass and energy balance relationships written for fiber, air and water in drying section. In this research, the heat of sorption and its variations with paper temperature and humidity changes have been taken into account. Temperature and moisture variation of the paper web and cylinder surface temperature in machine direction were predicted by the proposed model. Also temperature and humidity of air in the drying pockets and hood exhaust were estimated by the proposed model. Moreover, the model can predict the evaporation rate and specific drying rate with sufficient accuracy in comparison with TAPPI standard.Finally, the main modeling parameters were compared with the available operating data and the effectiveness of the developed model was verified through validations.

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