High-speed NMR imaging of capillary action in thin nontransparent porous media

Ruben Nicasy; H.P. Huinink; S.J.F. Erich; O.C.G. Adan

doi:10.1103/PhysRevE.104.L043101

High-speed NMR imaging of capillary action in thin nontransparent porous media

Ruben Nicasy
, H.P. Huinink (Corresponding author)
, S.J.F. Erich
, O.C.G. Adan

Research output: Contribution to journal › Article › Academic › peer-review

12 Citations (Scopus)

392 Downloads (Pure)

Abstract

An improved high-speed NMR profiling method is introduced that enables us to measure capillary action in thin, nontransparent porous media. Liquid profiles can be measured as fast as 10 ms with a spatial resolution of 14.5μm. Capillary absorption of microliter-sized droplets into nontransparent nylon-6,6 porous membranes was studied. In nylon-6,6 sharp fronts obeying a one-dimensional Darcy model were observed. In paper the uptake did not follow this model: retardation in uptake, broader fluid fronts, and swelling was observed. These measurements nicely demonstrate the possibilities and versatility of the developed method.

Original language	English
Article number	L043101
Number of pages	5
Journal	Physical Review E
Volume	104
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevE.104.L043101
Publication status	Published - Oct 2021

Funding

We acknowledge H. Dalderop (TU/e) and J. Noijen (TU/e) for their support regarding the setup and sample preparation. The authors would like to thank P. Lipman (TU/e) for doing the MIP measurements. This publication is part of the project PQP (Print Quality and Particles) (Project No. 17099) of the research collaboration program High Tech Systemen en Materialen (HTSM) 2018 TTW, which was (partly) financed by the Dutch Research Council (NWO). Last we would like to thank DSM and Canon Production Printing for their support.

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abstract = "An improved high-speed NMR profiling method is introduced that enables us to measure capillary action in thin, nontransparent porous media. Liquid profiles can be measured as fast as 10 ms with a spatial resolution of 14.5μm. Capillary absorption of microliter-sized droplets into nontransparent nylon-6,6 porous membranes was studied. In nylon-6,6 sharp fronts obeying a one-dimensional Darcy model were observed. In paper the uptake did not follow this model: retardation in uptake, broader fluid fronts, and swelling was observed. These measurements nicely demonstrate the possibilities and versatility of the developed method.",

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AB - An improved high-speed NMR profiling method is introduced that enables us to measure capillary action in thin, nontransparent porous media. Liquid profiles can be measured as fast as 10 ms with a spatial resolution of 14.5μm. Capillary absorption of microliter-sized droplets into nontransparent nylon-6,6 porous membranes was studied. In nylon-6,6 sharp fronts obeying a one-dimensional Darcy model were observed. In paper the uptake did not follow this model: retardation in uptake, broader fluid fronts, and swelling was observed. These measurements nicely demonstrate the possibilities and versatility of the developed method.

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High-speed NMR imaging of capillary action in thin nontransparent porous media

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