Inkjet deposition of lines onto thin moving porous media - experiments and simulations

Vignesh Murali; Gianmarco Venditti; Jos C.H. Zeegers; Anton A. Darhuber

doi:10.1016/j.ijheatmasstransfer.2021.121466

Inkjet deposition of lines onto thin moving porous media - experiments and simulations

Vignesh Murali, Gianmarco Venditti, Jos C.H. Zeegers, Anton A. Darhuber (Corresponding author)

Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

11 Citaten (Scopus)

Samenvatting

We have studied the deposition of lines of water onto a thin porous medium by means of a droplet-on-demand, single-nozzle inkjet system. We systematically varied the substrate speed and the droplet frequency. Optical transmission imaging was used to measure the dynamic moisture distribution in the substrate in conjunction with infrared thermography to determine the in-plane temperature distribution of the paper. The temperature of the paper becomes non-uniform due to evaporative cooling. Furthermore, we have developed a two-dimensional model coupling the Richards equation for moisture transport in unsaturated porous media with evaporative mass loss and heat transfer. The results of the numerical simulations agree qualitatively well with the measured data.

Originele taal-2	Engels
Artikelnummer	121466
Aantal pagina's	11
Tijdschrift	International Journal of Heat and Mass Transfer
Volume	176
DOI's	https://doi.org/10.1016/j.ijheatmasstransfer.2021.121466
Status	Gepubliceerd - sep. 2021

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Publisher Copyright:
© 2021 The Author(s)

Financiering

This work is part of the research programme The role of surfactants in spreading, imbibition and sorption of water-based printing inks with project number 14666, which is (partly) financed by the Netherlands Organisation for Scientific Research (NWO). The authors thank Nicolae Tomozeiu, Herman Wijshoff and Louis Saes of Canon Production Printing for the fruitful cooperation.

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10.1016/j.ijheatmasstransfer.2021.121466

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title = "Inkjet deposition of lines onto thin moving porous media - experiments and simulations",

abstract = "We have studied the deposition of lines of water onto a thin porous medium by means of a droplet-on-demand, single-nozzle inkjet system. We systematically varied the substrate speed and the droplet frequency. Optical transmission imaging was used to measure the dynamic moisture distribution in the substrate in conjunction with infrared thermography to determine the in-plane temperature distribution of the paper. The temperature of the paper becomes non-uniform due to evaporative cooling. Furthermore, we have developed a two-dimensional model coupling the Richards equation for moisture transport in unsaturated porous media with evaporative mass loss and heat transfer. The results of the numerical simulations agree qualitatively well with the measured data.",

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AU - Darhuber, Anton A.

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AB - We have studied the deposition of lines of water onto a thin porous medium by means of a droplet-on-demand, single-nozzle inkjet system. We systematically varied the substrate speed and the droplet frequency. Optical transmission imaging was used to measure the dynamic moisture distribution in the substrate in conjunction with infrared thermography to determine the in-plane temperature distribution of the paper. The temperature of the paper becomes non-uniform due to evaporative cooling. Furthermore, we have developed a two-dimensional model coupling the Richards equation for moisture transport in unsaturated porous media with evaporative mass loss and heat transfer. The results of the numerical simulations agree qualitatively well with the measured data.

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Inkjet deposition of lines onto thin moving porous media - experiments and simulations

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