Blar i Fakultet for ingeniørvitenskap (IV) på tittel
Viser treff 10433-10452 av 22998
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Hydroelastic slamming response in the evolution of a flip-through event during shallow-liquid sloshing
(Journal article; Peer reviewed, 2014)The evolution of a flip-through event [6] upon a vertical, deformable wall during shallow-water sloshing in a 2D tank is analyzed, with specific focus on the role of hydroelasticity. An aluminium plate, whose dimensions ... -
Hydroelasticity analysis of a vessel-shaped fish cage under incident, diffraction and radiation wave fields
(Peer reviewed; Journal article, 2023)Vessel-shaped fish cages are promising large aquaculture structures developed in recent years, with an overall length of nearly 400 m. In this paper, a coupled hydroelasticity model of a vessel-shaped fish cage is used to ... -
Hydrogen and Wet Gas Compressor Analysis
(Master thesis, 2020)Verdens energiproduserende industri står overfor flere utfordringer i sin søken etter å minimere ut- slippene av drivhusgasser. Nyvinninger i lav- og nullutslipps energiproduksjon og forventninger om videre innovasjon ... -
Hydrogen as a Maritime Fuel – Can Experiences with LNG Be Transferred to Hydrogen Systems?
(Journal article; Peer reviewed, 2021) -
Hydrogen assisted crack growth in iron: a simulations approach
(Doctoral theses at NTNU;2021:32, Doctoral thesis, 2021)Hydrogen enhances crack growth, limiting the lifetime of industrial components. Despite the abundance of research into hydrogen enhanced crack growth and its proposed mechanisms, none of the models can explain all the ... -
Hydrogen diffusion in C 1 ′ phase clathrate hydrate
(Peer reviewed; Journal article, 2023) -
Hydrogen Embrittlement as a Conspicuous Material Challenge─Comprehensive Review and Future Directions
(Peer reviewed; Journal article, 2024)Hydrogen is considered a clean and efficient energy carrier crucial for shaping the net-zero future. Large-scale production, transportation, storage, and use of green hydrogen are expected to be undertaken in the coming ... -
Hydrogen embrittlement effect observed by in-situ hydrogen plasma charging on a ferritic alloy
(Journal article; Peer reviewed, 2018)To study the hydrogen embrittlement (HE) effect, a novel in-situ slow strain rate tensile test together with in-situ hydrogen (H) charging by H-plasma was conducted in an environmental scanning electron microscope (ESEM). ... -
Hydrogen Embrittlement in Fe3%Si, Visited by Nanomechanical Testing and Cohesive Zone Simulation
(Chapter, 2016)This work is part of a multi scale computational and experimental approach in which first principle modelling, nanoscale experiments and continuum simulations are combined in order to represent hydrogen induced degradation ... -
Hydrogen embrittlement in steels: predictive models and integrity assessment
(Doctoral theses at NTNU;2023:123, Doctoral thesis, 2023)Hydrogen embrittlement (HE) is a well-recognized challenge as it can degrade the mechanical properties of most structural steels, leading to premature failure of hydrogen infrastructures. Continuum scale simulation is an ... -
Hydrogen embrittlement in subsea pipelines made from X70: Effect of plastic deformation on hydrogen diffusion
(Master thesis, 2011)As a part of the DEEPIT project at SINTEF, hydrogen permeation tests have been carried out on API X70 pipeline steel. The effect of plastic deformationon hydrogen diffusion properties has been evaluated, using a worldwide ... -
Hydrogen Embrittlement of 25Cr duplex stainless steel exposed to well fluid with H2S - effect of cold working and product form
(Master thesis, 2017)It is known that cold deformation may have detrimental effects on resistance against SulphideStress Cracking/Stress Corrosion Cracking and Hydrogen Induced Stress Cracking. Thoughit is clear that cold deformation should ... -
Hydrogen embrittlement of additively manufactured AlCoCrFeNi2.1 eutectic high-entropy alloy
(Peer reviewed; Journal article, 2022)AlCoCrFeNi2.1 eutectic high-entropy alloy (HEA) was fabricated in as-cast and additively manufactured (AM) states. The hydrogen embrittlement susceptibility of both materials was investigated through in-situ uniaxial tensile ... -
Hydrogen embrittlement of clad steel pipes: Experiments and FE modelling
(Doctoral theses at NTNU;2018:200, Doctoral thesis, 2018)Pipes with an inner layer of corrosion resistant alloy, so called clad pipes, are increasingly used in the oil and gas industry as en economical viable option for corrosion management, combining the mechanical properties ... -
Hydrogen embrittlement revealed via novel in situ fracture experiments using notched micro-cantilever specimens
(Journal article, 2018)The susceptibility of the FeAl intermetallic alloy to hydrogen-assisted cracking was investigated by in situ fracture experiments using notched micrometre-sized specimens using an Environmental Scanning Electron Microscope ... -
Hydrogen embrittlement suceptibility of steel armour wires for flexible pipes
(Peer reviewed; Journal article, 2020)Flexible pipes are frequently used both as flowlines and risers in the oil and gas industry. A flexible pipe has a complex structure consisting of layers of polymer and metallic materials. The armor wire layers – shielded ... -
Hydrogen Enhanced Fatigue Crack Growth Rates in a Ferritic Fe-3wt%Si Alloy
(Journal article; Peer reviewed, 2018)It is well known that the presence of hydrogen in ferrous materials promotes both static fracture and affect the material fatigue crack growth rates. The latter is often referred to as Hydrogen Enhanced Fatigue Crack Growth ... -
Hydrogen enhanced fatigue crack growth rates in a ferritic Fe-3 wt%Si alloy and a X70 pipeline steel
(Journal article; Peer reviewed, 2019)It is well known that ferrous materials can be damaged by absorption of hydrogen. If a sufficient quantity of hydrogen penetrates into the material, static fracture and the material's fatigue performances can be affected ... -
Hydrogen Fireball Consequence Analysis
(Peer reviewed; Journal article, 2020)A fireball may occur after the catastrophic rupture of a tank containing a flammable substance such as a fuel, if an ignition source is present. The fireball is identified by the combustion of the flammable cloud created ... -
Hydrogen for å skape nettfleksibilitet til landstrømanlegg ved Trondheim Havn
(Bachelor thesis, 2023)Cruiseindustrien hadde i 2021 et utslipp på omtrent 300 000tonn CO2-ekvivalenter. Det meste kommer fra skipenes fremdrift, men de fleste skip må idag benytte seg av dieselgeneratorer i anløp. Det er estimert et utslipp på ...