Mass Transfer Coefficients and Drying Rates in Through Air Drying: Part II

Modak, A.; Ryan, Matthew J.; Takagaki, S. S.; Ramaswamy, Shri

doi:10.1080/07373930902827643

Cited by 5 publications

(2 citation statements)

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“…Ramaswamy et al [135][136][137][138][139][140][141] also studied the TAD process by performing experiments and developing models for the flow and the heat and mass transfer. The experiments were performed at air temperatures below 35 C but the overall drying behavior was comparable with the results presented by Weineisen et al.…”

Section: Tad-through Air Dryingmentioning

confidence: 99%

“…[138] Modeling work used a characteristic dimension for the Forchheimer equation to describe the flow through the paper during drying. [141] Tys en et al [142][143][144] studied TAD in an equipment where sheets 9 Â 9 cm were dried using air at room temperature. The drying process and the temperatures were followed using an infrared camera and thermocouples.…”

Section: Tad-through Air Dryingmentioning

confidence: 99%

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Drying of paper: A review 2000–2018

Stenström

2019

Drying Technology

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Drying of paper during 2000-2018 is reviewed. The review includes new drying processes, multi-cylinder dryers, tissue and impingement drying, TAD-drying, infrared drying and energy use for drying of paper. It includes general aspects of infrared dryers but not drying of coated papers. Paper quality aspects, paper shrinkage and paper isotherms are not included. Impingement drying has been the most successful new technology with several applications while others such as impulse drying has not been commercialized mainly due to problems with paper quality parameters. One promising development is the introduction of steel instead of cast iron cylinders with increased heat transfer reducing the number of cylinders. Future research should focus on modeling the internal transport phenomena and to couple these phenomena to paper shrinkage and quality parameters. The influence of the fabric for the drying process needs more attention, understanding the drying process for new components such as microfibrillar cellulose in the stock and reducing energy use and increasing the amount of renewable energies for drying of paper.

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