A novel equivalent model of radionuclide migration in three-dimensional rough shear fractures

H Wang, G Ji, Y Chen, G Ma - International Journal of Heat and Mass …, 2024 - Elsevier
Accurate prediction of radionuclide distribution in fractured rock mass is a key problem in
high-level radioactive waste disposal engineering. However, it is inappropriate to directly …

Evolution and evaluation of the non-Darcy effects for partially filled fractures

S Zhang, X Liu, E Wang, R Zhang - … Journal of Rock Mechanics and Mining …, 2024 - Elsevier
Fluid flow in fractures partially filled with porous media is commonly encountered in
engineering and scientific research, yet understanding of its nonlinear seepage …

[HTML][HTML] Spatial moment analysis of multispecies contaminant transport in porous media

N Natarajan, GS Kumar - Environmental Engineering Research, 2018 - eeer.org
Spatial moment analysis has been performed on the concentration of the first species in a
multispecies solute transport in porous media. Finite difference numerical technique was …

Numerical analysis of spatial moment for colloid-facilitated contaminant transport through porous media

A Paswan, PK Sharma - ISH Journal of Hydraulic Engineering, 2023 - Taylor & Francis
Transport of contaminants in the presence of colloids is a three-phase problem in the
groundwater porous media and colloids can also enhance the transport of contaminants by …

Influence of transient porosity in a coupled fracture-skin-matrix system at the scale of a single fracture

M Berlin, N Natarajan, M Vasudevan… - … Science and Pollution …, 2021 - Springer
The subsurface leaching of soluble chemicals in a fractured porous medium poses long-
term risk of groundwater contamination. Tracing the occurrence, movement and …

Impact of skin on the movement of nitrates in a fractured porous media: numerical investigations

M Berlin, N Natarajan, M Vasudevan… - Arabian Journal for …, 2021 - Springer
The objective of this study is to analyse the movement of nitrates and dissolved oxygen
under the effect of denitrification in a fracture–matrix (F–M) system with skin formation. An …

Effect of Sips sorption isotherm on contaminant transport mechanism in fractured porous media

N Natarajan, GS Kumar - KSCE Journal of Civil Engineering, 2016 - Elsevier
A numerical model has been developed in this study for analysing the influence of Sips
sorption isotherm on the contaminant transport mechanism in a coupled fracture matrix …

Confronting heterogeneous sorption and hydrodynamic dispersion on solute transport in a fracture-skin-matrix system using spatial moment analysis

N Natarajan, M Vasudevan, GS Kumar - Environmental Science and …, 2022 - Springer
Understanding the intricacies of inter-dependency of fluid flow and solute transfer at the
scale of a single fracture is limited by various simplifying assumptions employed for …

Multi-component transport of BTX in a discretely fractured aquifer with fracture–skin: numerical investigation and sensitivity analysis

R Valsala, G Suresh Kumar - Environmental Earth Sciences, 2017 - Springer
Monitoring of BTX natural attenuation in a fractured rock aquifer is highly challenging due to
lack of knowledge about the influence of interaction of heterogeneous domains on transport …

Impact of coupling terms on the thermal transport mechanism in a fracture matrix coupled system

N Natarajan, G Suresh Kumar… - Modeling Earth Systems …, 2021 - Springer
Understanding the heat transfer mechanism in the subsurface is essential for designing
geothermal heat extraction system as well as oil extraction system in petroleum reservoirs …