Magnetic resonance sounding for the estimate of hydrogeologic characteristics of chalk aquifers (North of France)
Sign Up to like & getrecommendations! Published in 2020 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-020-06001-6
Abstract: The hydrogeological characteristics are required for investigating the modelling processes. The transmissivity and hydraulic conductivity values which are obtained from the inverse methods and pumping tests are not representative in the northern part of France… read more here.
Keywords: north france; magnetic resonance; resonance sounding; transmissivity ... See more keywords
Investigation of critical non-linear flow behavior for fractures with different degrees of fractal roughness
Sign Up to like & getrecommendations! Published in 2021 at "Computers and Geotechnics"
DOI: 10.1016/j.compgeo.2021.104065
Abstract: Abstract Non-linear flow behavior in rough fractures with shear dislocations is numerically investigated in this study with the validated multi-relaxation time lattice Boltzmann method. Fracture flow tests with different degrees of fractal roughness are simulated… read more here.
Keywords: non linear; transmissivity; fracture flow; behavior ... See more keywords
The highest potential transmissivities of fractures in fault zones: Reference values based on laboratory and in situ hydro-mechanical experimental data
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Geology"
DOI: 10.1016/j.enggeo.2021.106369
Abstract: Abstract The transmissivity of a fracture can be related to fracture roughness (JRC0), initial aperture (E0), effective normal stress (σ'n), and tensile strength (σt) of the intact rock, based on the Barton–Bandis model and their… read more here.
Keywords: fault zones; fracture; shear induced; transmissivities fractures ... See more keywords
A low-level stress measurement method by integrating white light photoelasticity and spectrometry
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2017.07.022
Abstract: Abstract To face the increasing demand of residual stress measurement in many hi-tech industries, the integration of photoelasticity and advanced image acquisition equipment is a natural trend. With the integration of photoelasticity and spectrometry, the… read more here.
Keywords: stress measurement; level; measurement; stress ... See more keywords
Influence of Rock Mineralogy on Reactive Fracture Evolution in Carbonate-Rich Caprocks.
Sign Up to like & getrecommendations! Published in 2018 at "Environmental science & technology"
DOI: 10.1021/acs.est.8b01021
Abstract: Fractures present environmental risks for subsurface engineering activities, such as geologic storage of greenhouse gases, because of the possibility of unwanted upward fluid migration. The risks of fluid leakage may be exacerbated if fractures are… read more here.
Keywords: mineralogy; evolution; fracture; transmissivity ... See more keywords
Entanglement analyses of a nondegenerate optical parametric oscillator with a higher-transmissivity cavity mirror
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Modern Optics"
DOI: 10.1080/09500340.2017.1382593
Abstract: Abstract Nondegenerate optical parametric oscillator (NOPO) above threshold is a simple set-up to generate entangled beams. To more accurately calculate the entanglement between the generated twin beams from the NOPO, we use the Langevin equations… read more here.
Keywords: optical parametric; higher transmissivity; transmissivity; parametric oscillator ... See more keywords
Wells' identification and transmissivity estimation in porous media
Sign Up to like & getrecommendations! Published in 2019 at "Inverse Problems in Science and Engineering"
DOI: 10.1080/17415977.2019.1628742
Abstract: This paper deals with the inverse problems of wells' location and transmissivity estimation in a saturated porous media. Wells are considered as circular holes and the heterogeneous domain is divided into zones with constant transmissivity… read more here.
Keywords: media wells; wells identification; transmissivity; porous media ... See more keywords
Reactive Transport Simulation of Fracture Channelization and Transmissivity Evolution
Sign Up to like & getrecommendations! Published in 2019 at "Environmental Engineering Science"
DOI: 10.1089/ees.2018.0244
Abstract: Abstract Underground fractures serve as flow conduits, and they may produce unwanted migration of water and other fluids in the subsurface. An example is the migration and leakage of greenhouse gases in the context of… read more here.
Keywords: transmissivity evolution; reactive transport; fracture; channelization ... See more keywords
Transmissivity Identification by Combination of CVFEM and Genetic Algorithm: Application to the Coastal Aquifer
Sign Up to like & getrecommendations! Published in 2019 at "Mathematical Problems in Engineering"
DOI: 10.1155/2019/3463607
Abstract: The solution of inverse problems in groundwater flow has been massively invested by several researchers around the world. This type of problem has been formulated by a constrained optimization problem and this constraint is none… read more here.
Keywords: code; problem; method; optimization ... See more keywords
Determination of Hydraulic Properties of a Large Self-Propped Hydraulic Fracture in the Geothermal Research Borehole Horstberg Z1 in the Northwest German Basin
Sign Up to like & getrecommendations! Published in 2019 at "Geofluids"
DOI: 10.1155/2019/3508906
Abstract: The pressure records of an interference test on a huge hydraulic fracture in a layered sedimentary rock formation of the Northwest German Basin were analysed in order to determine fracture transmissivity and fracture storage coefficient.… read more here.
Keywords: fracture; borehole horstberg; self; transmissivity ... See more keywords