Browsing Bergen Open Research Archive by Title
Now showing items 10204-10223 of 34098
-
Experimental study of diffusive oil recovery during low salinity waterflooding and miscible CO2 injection in sandstones and shales
(Master thesis, 2014-11-24)This experimental thesis presents a study of two diffusive EOR techniques; low salinity waterflooding in 2D sandstone silicon wafer micromodels and miscible CO2 injection in tight shale core samples. Tests were conducted ... -
An Experimental Study of Foam Flow in Fractured Systems of Increasing Size
(Master thesis, 2016-06-01)Although use of foam for gas mobility control is substantially covered in literature, large- scale field implementation is still absent in fractured reservoirs. Current understanding of foam behavior in fractured systems ... -
An Experimental Study of Foam Flow in Water Saturated Porous Media
(Master thesis, 2017-06-20)The amount of greenhouse gases in the atmosphere has increased significantly the last 250 years, causing a global temperature rise. CO2 emissions from fossil fuel combustion is a major contributor to greenhouse gas emissions, ... -
Experimental Study of Foam Generation and Flow in Carbonate Fracture Systems
(Master thesis, 2016-06-01)This experimental thesis study foam generation during co-injection of gas and surfactant in three fracture systems with increasing size: 2- inch core, 4-inch core and a fractured block network. Important parameters established ... -
Experimental study of hydrogen production using electrolyte nanofluids with a simulated light source
(Journal article; Peer reviewed, 2022)In this research, we conducted water electrolysis experiments of a carbon black (CB) based sodium sulfate electrolyte using a Hoffman voltameter. The main objective was to investigate hydrogen production in such systems, ... -
An experimental study of low-level laser therapy in rat Achilles tendon injury
(Peer reviewed; Journal article, 2011-05-06)The aim of this controlled animal study was to investigate the effect of low-level laser therapy (LLLT) administered 30 min after injury to the Achilles tendon. The study animals comprised 16 Sprague Dawley male rats divided ... -
An Experimental Study of Methane Hydrate Growth and Dissociation in Porous Media
(Master thesis, 2015-06-01)Natural gas hydrate (NGH) is a solid phase consisting of water and natural gas. NGH represents a justified vast global energy resource, and is widespread in on-shore artic and sub-seafloor environments. Due to the worlds ... -
An Experimental Study of Methane Hydrates in Sandstone Cores
(Master thesis, 2015-05-31)Natural gas hydrates exist in large quantities around the world, located in the subsurface of permafrost and oceanic environments. Future energy harvest from production of methane gas encapsulated in natural gas hydrates ... -
An experimental study of mixed CO2-CH4 hydrate phase equilibria and the CO2-CH4 exchange reaction
(Master thesis, 2015-06-01)Large amounts of CH4 are trapped in naturally occurring gas hydrate deposits. Extensive research on these species has generated a considerable interest in developing technologically and economically viable recovery methods ... -
An Experimental Study of Pool Fires and Validation of Different CFD Fire Models
(Master thesis, 2011-06-06)Computer programs developed to predict a possible fire scenario is today an important tool when working with fire safety. In this context different Computational Fluid Dynamics models, so called CFD models, where the domain ... -
An Experimental Study of Tertiary CO2 Injection Strategies in Fractured Limestone Rocks
(Master thesis, 2015-06-01)The experimental work within this thesis is a continued investigation of tertiary recovery by injection of supercritical CO2 and CO2-foam under miscible conditions for enhanced oil recovery in fractured limestone. Secondary ... -
An experimental study of the effect of water and chlorine on plagioclase nucleation and growth in mafic magmas: application to mafic pegmatites
(Journal article; Peer reviewed, 2023)In this study, the effects of H2O and Cl on the grain size and nucleation delay of plagioclase in basaltic magma were investigated using dynamic and equilibrium experiments at 1150 ∘C, 300 MPa, and oxygen fugacity between ... -
An Experimental Study of the Influence of Major Damage of Flame Gap Surfaces in Flameproof Apparatus on the Ability of the Gaps to Prevent Gas Explosion Transmission
(Master thesis, 2010-06-10)Electrical apparatuses for use in the presence of explosive gas atmospheres have to be specially designed to prevent them from igniting the explosive gas. Flameproof design implies that electrical components producing ... -
Experimental Study of the Wake Flow and Thrust Coefficient of Porous Actuator Discs
(Master thesis, 2022-06-01) -
Experimental Study on One-Time Password used in Authentication within Norwegian Banking
(Master thesis, 2020-06-26)Authentication is a vital part of this fast-growing, digitalized world. Fundamentally, today’s society is more reliant on computer technology and digitalization than ever before. Therefore, the use of dynamic one-time ... -
An experimental study on the attribution of personality traits to bullies and targets in a workplace setting
(Peer reviewed; Journal article, 2017-06-22)Previous studies on the personality of bullies and targets have exclusively been based on self-report. Against this backdrop we conducted a between group experimental vignette study with three conditions, describing a ... -
An experimental study on the effects of winglets on the tip vortex interaction in the near wake of a model wind turbine
(Journal article; Peer reviewed, 2020)An experimental study of the near wake up to four rotor diameters behind a model wind turbine rotor with two different wing tip configurations is performed. A straight-cut wing tip and a downstream-facing winglet shape are ... -
An Experimental Study on the Influence of the Particle Size of Chemically Active Inhibitors in Turbulent Combustion
(Master thesis, 2012-06-01)Accidental gas leaks pose a great danger in the process industries. To reduce the consequences, should such a gas leak ignite, mitigating measures are needed. One such measure, involving the introduction of water deluge ... -
An Experimental Toolbox for Structure-Based Hit Discovery for P. aeruginosa FabF, a Promising Target for Antibiotics
(Journal article; Peer reviewed, 2021)FabF (3-oxoacyl-[acyl-carrier-protein] synthase 2), which catalyses the rate limiting condensation reaction in the fatty acid synthesis II pathway, is an attractive target for new antibiotics. Here, we focus on FabF from ... -
Experimental warming differentially affects vegetative and reproductive phenology of tundra plants
(Journal article; Peer reviewed, 2021)Rapid climate warming is altering Arctic and alpine tundra ecosystem structure and function, including shifts in plant phenology. While the advancement of green up and flowering are well-documented, it remains unclear ...