Investigating scale effects in soil water retention curve via spatial time domain reflectometry

G Yan, T Bore, S Schlaeger, A Scheuermann, L Li - Journal of Hydrology, 2022 - Elsevier
The soil water retention curve (SWRC) is usually measured by the axis translation technique
(ATT), assuming a specimen thickness of a few centimetres. Usually, this assumption is …

[HTML][HTML] Measurement of the broadband complex permittivity of soils in the frequency domain with a low-cost Vector Network Analyzer and an Open-Ended coaxial …

JD González-Teruel, SB Jones, DA Robinson… - … and Electronics in …, 2022 - Elsevier
The performance of a handheld Vector Network Analyzer (VNA), the nanoVNA, a low-cost,
open-source instrument, was evaluated. The instrument measures the complex permittivity …

The technical challenges for applying unsaturated soil sensors to conduct laboratory-scale seepage experiments

G Yan, T Bore, H Bhuyan, S Schlaeger… - Sensors, 2022 - mdpi.com
Although many unsaturated soil experiments have successfully delivered positive outcomes,
most studies just concisely illustrated sensor techniques, because their main objectives …

The effect of dielectric relaxation processes on the complex dielectric permittivity of soils at frequencies from 10 kHz to 8 GHz—Part I: Experimental

PP Bobrov, TA Belyaeva, ES Kroshka… - … on Geoscience and …, 2022 - ieeexplore.ieee.org
This is the first of two articles that present experimental spectra of six soil samples with
varying clay contents ranging from 0% to 55% and organic carbon levels ranging from 0% to …

Application of spatial time domain reflectometry for investigating moisture content dynamics in unsaturated loamy sand for gravitational drainage

G Yan, T Bore, Z Li, S Schlaeger, A Scheuermann… - Applied Sciences, 2021 - mdpi.com
The strength of unsaturated soil is defined by the soil water retention behavior and soil
suction acting inside the soil matrix. In order to obtain the suction and moisture profile in the …

Electrical-Elastic Joint Inversion Method for Fracture Characterization in Anisotropic Media

C Guo, Z Fan, Z Yang, X Yan… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Fracture networks are omnipresent in unconventional energy reservoirs. The inversion of
fractures is of vital importance to oil and gas exploration and production. Most of the existing …

Coupled hydraulic, mechanical and dielectric investigations on kaolin

T Bore, PN Mishra, N Wagner, M Schwing, T Honorio… - Engineering …, 2021 - Elsevier
A new integrated experimental and theoretical framework to simultaneously measure
mechanical, hydraulic and high frequency dielectric properties of soil during shrinkage was …

Removal of trichloroethene from thin clay lenses by electrical resistance heating: Laboratory experiments and the effects of gas saturation

KG Mumford, EJ Martin, BH Kueper - Journal of Contaminant Hydrology, 2021 - Elsevier
The removal of dissolved volatile organic compounds (VOCs) from low-permeability lenses
is important to limit back diffusion at sites impacted by dense non-aqueous phase liquids …

A tensorial Archie's law for water saturation evaluation in anisotropic model

C Guo, Z Fan, B Ling, Z Yang - IEEE Geoscience and Remote …, 2021 - ieeexplore.ieee.org
In oil and gas exploration, formation water (or hydrocarbon) content estimation is essential
for reservoir evaluation, development, and production. Archie's law, which associates the …

The Effect of Dielectric Relaxation Processes on the Complex Dielectric Permittivity of Soils at Frequencies from 10 kHz to 8 GHz–Part II: Broadband Analysis

PP Bobrov, ES Kroshka… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This article is the second in a series evaluating the effect of dielectric relaxation processes
on the relatively effective complex dielectric permittivity (RCP) of soils. Part II is based on the …