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Studies on water transport in quasi two-dimensional porous systems using neutron radiography

Fijał-Kirejczyk Izabela M., Rogante Massimo, Milczarek Jacek J., Żołądek-Nowak Joanna, Jurkowski Zdzisław, Żołądek Jan, Rusinek Dariusz

Nukleonika

2022

Vol. 67, No. 1

3--9

The spontaneous wetting and drying of flat porous samples of linen, cotton and synthetic textiles were studied using dynamic neutron radiography (DNR). The progress of the wetting process of the media was delineated from the obtained neutron dynamical radiography images. The results of the investigation reveal a non-classical behaviour of kinetics of wicking of these materials. The character of the wetting kinetics is discussed in terms of the fractal character of the tortuosity of fabric capillaries.