Artificial ground freezing: A review of thermal and hydraulic aspects

MA Alzoubi, M Xu, FP Hassani, S Poncet… - … and Underground Space …, 2020 - Elsevier
The artificial ground freezing (AGF) is one of the most popular ground-support methods.
Driven by its reliability, compatibility with a wide range of ground types, and low impact on …

High temperature sulfuric acid decomposition in iodine-sulfur process--thermodynamics, concentrator and reactor, product separation, materials, and energy analysis

S Pathak, S Upadhyayula - International Journal of Hydrogen Energy, 2021 - Elsevier
A successful demonstration of closed-loop thermochemical Iodine–Sulfur (IS) cycle for
hydrogen production remains challenging owing to the lack of detailed data on …

Field-scale experimental and numerical analysis of a downhole coaxial heat exchanger for geothermal energy production

S Pokhrel, AP Sasmito, A Sainoki, T Tosha, T Tanaka… - Renewable Energy, 2022 - Elsevier
The experimental and computational analyses of a 500 m deep coaxial borehole heat
exchanger system for geothermal power generation are studied in this paper. The …

Conjugate heat transfer in artificial ground freezing using enthalpy-porosity method: Experiments and model validation

MA Alzoubi, A Nie-Rouquette, AP Sasmito - International Journal of Heat …, 2018 - Elsevier
Artificial ground freezing (AGF) system is a temporary excavation-support method that is
used in underground mines and tunneling projects to improve and stabilize ground …

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 …

Heat and mass transfer of combined forced convection and thermal radiation within a channel: entropy generation analysis

A Sakly, FB Nejma - Applied Thermal Engineering, 2020 - Elsevier
The present paper deals with a numerical modelling of thermal and mass transfer coupled
by thermal radiation and forced convection in a semi-transparent medium during the …

Thermal and hydraulic analysis of selective artificial ground freezing using air insulation: Experiment and modeling

A Zueter, A Nie-Rouquette, MA Alzoubi… - Computers and …, 2020 - Elsevier
In some artificial ground freezing (AGF) applications of civil or mining projects, only
particular parts of the ground need to be frozen. Selective artificial ground freezing (S-AGF) …

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] Freezing on demand: A new concept for mine safety and energy savings in wet underground mines

MA Alzoubi, A Zueter, A Nie-Rouquette… - International Journal of …, 2019 - Elsevier
The artificial ground freezing (AGF) systems are designed to operate continuously for an
extended period of time to control the groundwater seepage and to strengthen the …

On the concept of the freezing-on-demand (FoD) in artificial ground freezing for long-term applications

MA Alzoubi, A Nie-Rouquette… - International Journal of …, 2019 - Elsevier
The continuous mode of operation of artificial ground freezing (AGF) systems in long-term
applications requires intensive energy consumption, which leads to immense operating and …