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A comparative study of laser-arc hybrid welding with arc welding for fabrication of offshore substructures
(Peer reviewed; Journal article, 2023)Laser-arc hybrid welding (LAHW) is an efficient and promising joining method for offshore structures made from metallic alloys. Under a high-power laser output, a keyhole is formed that efficiently melts a metal and provides ... -
Comparing amine- and ammonium functionalized silsesquioxanes for large scale synthesis of hybrid polyimide high-temperature gas separation membranes
(Peer reviewed; Journal article, 2021)PolyPOSS-imide membranes are promising for separating H2 from larger molecules (CO2, N2, CH4) at temperatures up to 300 °C. Their fabrication involves two steps: interfacial polymerization of POSS and 6FDA, followed by ... -
Comparing Anodic Bubble Behavior of Anodes from Anisotropic and Isotropic Cokes in Laboratory Scale Aluminum Electrolysis Cells
(Peer reviewed; Journal article, 2019)During production of aluminum in Hall-Héroult cells, carbon anodes electrochemically oxidize to form mainly CO2. The CO2 bubbles block the anode working surface during growth and coalescence, leading to cell voltage loss ... -
Comparing electrochemical perormance of transition metal silicate cathodes and chevrel phase Mo6S8 in the analogous rechargeable Mg-ion battery system
(Peer reviewed; Journal article, 2016)Polyanion based silicate materials, MgMSiO4 (M = Fe, Mn, Co), previously reported to be promising cathode materials for Mg-ion batteries, have been re-examined. Both the sol-gel and molten salt methods are employed to ... -
Comparing intergranular corrosion in Al‐Mg‐Si‐Cu alloys with and without α‐Al(Fe,Mn,Cu)Si particles
(Peer reviewed; Journal article, 2020)In this study, a model alloy without Fe and Mn additions, is compared with a commercial AA6005 alloy to further understand how the α‐Al(Fe,Mn,Cu)Si particles affect intergranular corrosion (IGC) behaviour. Both alloys were ... -
Comparing mechanical and ultrasonic behaviour of a brittle and a ductile shale: Relevance to prediction of borehole stability and verification of shale barriers
(Journal article; Peer reviewed, 2019)Borehole collapse during drilling operations in shale formations is a well-known and costly problem within the petroleum industry. Recently it has become evident that shales may also form sealing barriers around the casing, ... -
Comparing the Nature of Active Sites in Cu-loaded SAPO-34 and SSZ-13 for the Direct Conversion of Methane to Methanol
(Peer reviewed; Journal article, 2020)On our route towards a more sustainable future, the use of stranded and underutilized naturalgastoproducechemicalswouldbeagreataidinmitigatingclimatechange,duetothereduced CO2 emissions in comparison to using petroleum. ... -
Comparison of different solvents from the solvent degradation rig With real samples
(Journal article; Peer reviewed, 2017) -
Comparison Of Membrane-Based Pre- And Post-Combustion CO2 Capture Options Applied In Energy-Intensive Industrial Applications
(Peer reviewed; Journal article, 2023)Deployment of decarbonization technologies in energy-intensive industrial applications (e.g., heat and power, metallurgy, cement, chemical sectors etc.) is of great importance for reducing CO2 emission and achieving global ... -
COMPARISON OF PARTICLE-RESOLVED DIRECT NUMERICAL SIMULATION AND 1D MODELLING OF CATALYTIC REACTIONS IN A PACKED BED
(Chapter, 2017)The work presents a comparison of catalytic gas-solid reactions in a packed bed as simulated on two widely different scales: direct numerical simulation (capable of accurately predicting transfer phenomena in and around a ... -
Comparison of particle‐resolved direct numerical simulation and 1D modelling of catalytic reactions in a packed bed
(SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)The work presents a comparison of catalytic gas-solid reactions in a packed bed as simulated on two widely different scales: direct numerical simulation (capable of accurately predicting transfer phenomena in and around a ... -
Comparison of phenomenological and fundamental modelling approaches for predicting fluidized bed reactor performance
(Peer reviewed; Journal article, 2012)Two approaches to modelling fluidized bed reactors were evaluated and compared in this work: a phenomenological 1D approach based on empirical closures and a more fundamental 2D approach based on computational fluid dynamics ... -
Comparison of Three Real-Time Measurement Methods for Airborne Ultrafine Particles in the Silicon Alloy Industry
(Peer reviewed; Journal article, 2016)The aim of this study was to compare the applicability and the correlation between three commercially available instruments capable of detection, quantification, and characterization of ultrafine airborne particulate matter ... -
Comparison of ultrasound vector flow imaging and CFD simulations with PIV measurements of flow in a left ventricular outflow trackt phantom - Implications for clinical use and in silico studies
(Peer reviewed; Journal article, 2022)In this study we have compared two modalities for flow quantification from measurement data; ultrasound (US) and shadow particle image velocimetry (PIV), and a flow simulation model using computational fluid dynamics (CFD). ... -
Composite Material Recycling Technology—State-of-the-Art and Sustainable Development for the 2020s
(Peer reviewed; Journal article, 2021)Recently, significant events took place that added immensely to the sociotechnical pressure for developing sustainable composite recycling solutions, namely (1) a ban on composite landfilling in Germany in 2009, (2) the ... -
COMPOSITE: A concept for high efficiency power production with integrated CO2 capture from solid fuels
(Peer reviewed; Journal article, 2017)The COMPOSITE concept combines packed bed chemical looping combustion (PBCLC) with chemical looping for oxygen production (CLOP) in an integrated gasification combined cycle for high efficiency power production. Detailed ... -
Composition analysis and minimal treatments to solubilize 6 polysaccharides from the brown seaweed Laminaria digitata 7 for microbial growth of thermophiles
(Peer reviewed; Journal article, 2020)Brown macroalgae (Phaeophyta) hold high potential as feedstock for biorefineries due to high biomass productivity and carbohydrate content. They are, however, a challenging, unconventional feedstock for microbial refining ... -
Composition and Structure Analysis of Hard Grey Scale (HGS) Formed on Cold Surfaces Exposed to Aluminium Production Off-gas
(Peer reviewed; Journal article, 2022)Hard grey scale (HGS) is a strongly adhering fouling material forming on solid surfaces impinged by off-gas generated in the pot cells of primary aluminium production plants. Even though associated maintenance costs have ... -
Compositional and structural properties of pulsed laser-deposited ZnS:Cr films
(Peer reviewed; Journal article, 2016)We present the properties of Cr-doped zinc sulfide (ZnS:Cr) films deposited on Si(100) by pulsed laser deposition. The films are studied for solar cell applications, and to obtain a high absorption, a high Cr content ... -
Compression stress relaxation in carbon black reinforced HNBR at low temperatures
(Peer reviewed; Journal article, 2017)Findings of a study of stress relaxation behaviour of hydrogenated nitrile butadiene rubber (HNBR) at nominal compressive strains up to 0.4 and temperatures above and below the glass transition temperature Tg are reported. ...