Development of conjugate reduced-order models for selective artificial ground freezing: Thermal and computational analysis

AF Zueter, M Xu, MA Alzoubi, AP Sasmito - Applied Thermal Engineering, 2021 - Elsevier
Selective artificial ground freezing (S-AGF) applications usually extend to very deep levels
(more than 400 meters); numerical modeling of such large AGF applications encounters two …

Development and validation of a semi-analytical framework for droplet freezing with heterogeneous nucleation and non-linear interface kinetics

S Akhtar, M Xu, AP Sasmito - International Journal of Heat and Mass …, 2021 - Elsevier
We present a novel, semi-analytical framework which accurately predicts every stage of
droplet freezing. Supercooling degree of the freezing droplet is computed by coupling the 1 …

Numerical study on the cooling characteristics of hybrid thermosyphons: Case study of the Giant Mine, Canada

AF Zueter, G Newman, AP Sasmito - Cold Regions Science and …, 2021 - Elsevier
Hybrid thermosyphons have been installed in several permafrost protection applications due
to their ability to operate continuously irrespective of seasonal temperature variations. In …

[HTML][HTML] Artificial ground freezing by solid carbon dioxide–Analysis of thermal performance

P Nikolaev, M Sedighi, H Rajabi… - … and Underground Space …, 2022 - Elsevier
Artificial ground freezing (AGF) is a ground improvement technique that is commonly used to
create temporary earth support and groundwater control system during underground …

Asymptotic analysis of a two-phase Stefan problem in annulus: Application to outward solidification in phase change materials

M Xu, S Akhtar, AF Zueter, MA Alzoubi… - Applied Mathematics …, 2021 - Elsevier
Stefan problems provide one of the most fundamental frameworks to capture phase change
processes. The problem in cylindrical coordinates can model outward solidification, which …

An analytical framework for predicting the total freezing delay time of water droplet impact on hydrophobic solid surfaces

K Shi, J Huang, X Duan - International Journal of Thermal Sciences, 2024 - Elsevier
An analytical framework is developed to investigate the impact and freezing delay of a water
droplet on solid surfaces, particularly hydrophobic ones, at subfreezing temperatures …

Effect of freeze pipe eccentricity in selective artificial ground freezing applications

AF Zueter, AG Madiseh… - Journal of …, 2022 - asmedigitalcollection.asme.org
Building concentric tubes is one of biggest practical challenges in the construction of freeze-
pipes of selective artificial ground freezing (S-AGF) applications for underground mines. In …

Asymptotic analysis of a two-phase Stefan problem in an annulus with the convective boundary

M Xu, S Akhtar, M Mohit, AF Zueter… - International Journal of …, 2024 - Elsevier
The Stefan problem (whether in its classical form or not) has assumed that the interface
moves instantaneously with time as a prescribed initial condition. This assumption is valid in …

Analytical solution for the steady-state temperature field of a linear three-pipe freezing system under hydrodynamic conditions

Z Li, A Tang, J Chen, Y Zhou - International Journal of Thermal Sciences, 2023 - Elsevier
Artificial ground freezing construction under hydrodynamic conditions generally requires a
longer period for the formation of a freezing curtain, bringing unique challenges in the …

[HTML][HTML] A novel method for measuring latent heat of low-temperature PCM phase transition by oxygen bomb calorimeter

F Meng, Z Jiang, M Yan - AIP Advances, 2022 - pubs.aip.org
The method for the determination on the latent heat of phase change by oxygen bomb
calorimetry of low-temperature phase change materials (PCMs) was feasible and validated …