X-ray computed tomography

PJ Withers, C Bouman, S Carmignato… - Nature Reviews …, 2021‏ - nature.com
X-ray computed tomography (CT) can reveal the internal details of objects in three
dimensions non-destructively. In this Primer, we outline the basic principles of CT and …

Image processing of multiphase images obtained via X‐ray microtomography: a review

S Schlüter, A Sheppard, K Brown… - Water Resources …, 2014‏ - Wiley Online Library
Easier access to X‐ray microtomography (μCT) facilities has provided much new insight
from high‐resolution imaging for various problems in porous media research. Pore space …

X-ray imaging and analysis techniques for quantifying pore-scale structure and processes in subsurface porous medium systems

D Wildenschild, AP Sheppard - Advances in Water resources, 2013‏ - Elsevier
We report here on recent developments and advances in pore-scale X-ray tomographic
imaging of subsurface porous media. Our particular focus is on immiscible multi-phase fluid …

[HTML][HTML] Pore-scale contact angle measurements at reservoir conditions using X-ray microtomography

M Andrew, B Bijeljic, MJ Blunt - Advances in Water resources, 2014‏ - Elsevier
Contact angle is a principal control of the flow of multiple fluid phases through porous media;
however its measurement on other than flat surfaces remains a challenge. A new method is …

An automated simple algorithm for realistic pore network extraction from micro-tomography images

A Rabbani, S Jamshidi, S Salehi - Journal of Petroleum Science and …, 2014‏ - Elsevier
Using 3-D scanned data to analyze and extract pore network plays a vital role in
investigation of porous media׳ s characteristics. In this paper, a new simple method is …

Machine learning for predicting properties of porous media from 2d X-ray images

N Alqahtani, F Alzubaidi, RT Armstrong… - Journal of Petroleum …, 2020‏ - Elsevier
Abstract In this paper, Convolutional Neural Networks (CNNs) are trained to rapidly estimate
several physical properties of porous media using micro-computed tomography (micro-CT) …

Segmentation of X‐ray computed tomography images of porous materials: A crucial step for characterization and quantitative analysis of pore structures

P Iassonov, T Gebrenegus… - Water resources research, 2009‏ - Wiley Online Library
Nondestructive imaging methods such as X‐ray computed tomography (CT) yield high‐
resolution, three‐dimensional representations of pore space and fluid distribution within …

Porosity and permeability characterization of coal: a micro-computed tomography study

HL Ramandi, P Mostaghimi, RT Armstrong… - International Journal of …, 2016‏ - Elsevier
A unique contrast agent technique using X-ray micro-computed tomography (micro-CT) was
developed for studying micrometer-sized features in coal. The technique allows for the …

Capillary-dominated fluid displacement in porous media

K Singh, M Jung, M Brinkmann… - Annual Review of Fluid …, 2019‏ - annualreviews.org
Liquid invasion into a porous medium is a phenomenon of great importance in both nature
and technology. Despite its enormous importance, there is a surprisingly sparse …

[HTML][HTML] Characterisation of void and fiber distribution in 3D printed carbon-fiber/PEEK using X-ray computed tomography

S Sommacal, A Matschinski, K Drechsler… - Composites Part A …, 2021‏ - Elsevier
A detailed analysis of the microstructure of five 3D printed CF/PEEK samples and the
commercial feedstock material used to produce them has been conducted by the means of …