Lattice kinetic model of 3D flow characterization in core samples via synchrotron X-ray micro-tomography

• Published in: Computers & geosciences Vol. 156; p. 104908
• Main Authors: Kakouie, Aliakbar, Vatani, Ali, Hosseini Moghaddam, Seyed Amir, Shirani, Shiva, Ferrero, Claudio, Brun, Emmanuel
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.11.2021; Elsevier
• Subjects: Computer Science; CSKM; entropy; Flow characterization; kinetics; Lattice kinetic model; micro-computed tomography; Modeling and Simulation; Porous media; Synchrotron; Porous media; Flow characterization; Synchrotron; Lattice kinetic model; CSKM; ELBM; ELBM Flow Characterization CSKM Real Synchrotron Samples; Flow Characterization; Real Synchrotron Samples
• ISSN: 0098-3004; 1873-7803
• DOI: 10.1016/j.cageo.2021.104908

Flow characterization using more accurate and robust numerical engine in the natural domains is a demanding subject in underground related surveys for an optimized performance. Primarily, we employed a more precise insight into constructing a proper three-dimensional rock model, the XCT. Representative samples were scanned with a synchrotron Micro-Tomography beamline. The reconstructed volumes were analyzed using iMorph and the fluid flow simulated by employing the novel Constant Speed Kinetic Lattice model (CSKM). In this approach, the 4D Fourier series have been employed to simulate 3D fluid flow taking into account thermodynamic consistency. Considering the recently proposed entropic model of Burg and Tsallis, the extended Boghosian distribution function model was substituted by the recently proposed 4D CSKM with Tsallis entropy, incorporating a new developed forcing term through modified Exact Difference Method (EDM). Compared earlier research, the results reveal more accuracy in making flow parameters consistent with the porous-media-related physical phenomena. •The recently developed GPU CSKM agreed well with other accredit works including analytical models such as Kozeny-Carman.•The well addressed permeability and tortuosity of the porous media reveal an acceptable numerical stability.•The inertial flow regime occurrence, reflected in Beta factor coefficient, has been investigated.•The results show the ability of the proposed platform to overcome instability issues, with capturing eddies in porous media.•The presented numerical engine (modified force scheme) is an efficient tool in any underground flow simulation.