Department of Mechanical and Structural Engineering and Materials Science (TN-IMBM): Nye registreringer
Viser treff 661-680 av 1741
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Global analysis of floating offshore wind turbines with shared mooring system
(Peer reviewed; Journal article, 2021)Floating wind turbines (FWTs) with shared mooring systems can be one of the most cost- effective solutions in reducing mooring costs. First, the static configuration of a shared line is estimated using the elastic catenary ... -
Numerical investigations of flow around subsea covers at high Reynolds numbers
(Peer reviewed; Journal article, 2021)Two-dimensional (2D) numerical simulations of flow over wall-mounted rectangular and trapezoidal ribs subjected to a turbulent boundary layer flow with the normalized boundary layer thickness of δ/D = 0.73,1.96,2.52 (D is ... -
Selvbærende scenekonstruksjon med praktiske og estetiske utfordringer.
(Bachelor thesis, 2021)Rosenberggata 76 i Stavanger er en eiendom med en eventyrlig hage, og mye historie. I det sørøstlige hjørnet av hagen er det bygget et hobbithus som delvis ligger under terrenget. Over hobbithuset var det bygget en utvendig ... -
An Approach to Determine Optimal Bow Configuration of Polar Ships under Combined Ice and Calm-Water Conditions
(Peer reviewed; Journal article, 2021-06)Selecting an optimal bow configuration is critical to the preliminary design of polar ships. This paper proposes an approach to determine the optimal bow of polar ships based on present numerical simulation and available ... -
Sensitivity to hydrogen induced cracking, and corrosion performance of an API X65 pipeline steel in H2S containing environment: influence of heat treatment and its subsequent microstructural changes
(Peer reviewed; Journal article, 2021-07)In this investigation, the effect of microstructural changes and phase equilibria on corrosion behavior and hydrogen induced cracking (HIC) sensitivity of an API X65 pipeline steel was studied. For this purpose, heat ... -
Duplex steel welding in artic conditions – Correlation of welding parameters in relation to HISC
(Peer reviewed; Journal article, 2021)Duplex steel is an austenitic-femtic steel alloy commonly used in the offshore and subsea oil and gas industry. Duplex steel provides a unique combination of good mechanical properties and corrosion resistance in sweet and ... -
Utilization of Polymer Concrete Composites for a Circular Economy: A Comparative Review for Assessment of Recycling and Waste Utilization
(Peer reviewed; Journal article, 2021-06)Polymer composites have been identified as the most innovative and selective materials known in the 21st century. Presently, polymer concrete composites (PCC) made from industrial or agricultural waste are becoming more ... -
Resonant Motions of Dynamic Offshore Structures in Large Waves
(Peer reviewed; Journal article, 2021-10)In marine engineering, the dynamics of fixed offshore structures (for oil and gas production or for wind turbines) are normally found by modelling of the motion by a classical mass-spring damped system. On slender offshore ... -
Review on fatigue life assessment methods for welded joints in orthotropic steel decks of long-span bridges
(Peer reviewed; Journal article, 2021)Orthotropic Steel Decks have been used in long-span bridges for several decades because of their high capacity to weight ratio. However, many fatigue related issues have been reported. This paper provides an overview of ... -
Study of rail-wheel contact problem by analytical and numerical approaches
(Peer reviewed; Journal article, 2021)This study presents the rail wheel contact problems under normal and tangential categories. Both analytical and numerical approaches were used for modelling, where the analytical approach assumed elliptical contact patches ... -
Thermal stress analysis of disc brake using analytical and numerical methods
(Peer reviewed; Journal article, 2021)This article presents study of the thermal stress development in brake disc and the associated life cycle of the disc. The thermal stress analysis of disc brake under the first brake application and the influences of thermal ... -
Assessment of operational limits : Effects of uncertainties in sea state description
(Peer reviewed; Journal article, 2021-02)For operations dominated by waves, operational limits are normally expressed in terms of allowable sea state parameters, such as the significant wave height (Hs) and spectral peak period (Tp). The allowable sea states need ... -
Fatigue life analysis of wheel-rail contacts at railway turnouts using finite element modelling approach
(Peer reviewed; Journal article, 2021)The article deals with wheel-rail contact analysis at railway turnout using a finite element modelling approach. The focus is understanding the wheel-rail contact problems and finding the means of reducing these problems ... -
New Advances and Future Possibilities in Forming Technology of Hybrid Metal–Polymer Composites Used in Aerospace Applications
(Peer reviewed; Journal article, 2021-08)Fibre metal laminates, hybrid composite materials built up from interlaced layers of thin metals and fibre reinforced adhesives, are future-proof materials used in the production of passenger aircraft, yachts, sailplanes, ... -
Effect of SiO2 and SiO2/TiO2 hybrid nanoparticles on cementitious materials
(Peer reviewed; Journal article, 2021)In this paper, we report the effect of SiO2 nanoparticle solution on the properties of the neat industry and environmental cements. Moreover, the hybrid SiO2/TiO2 nanoparticles solution impact on the Portland G-class cement. ... -
CFD Investigation on Hydrodynamic Resistance of a Novel Subsea Shuttle Tanker
(Peer reviewed; Journal article, 2021-12)The Subsea Shuttle Tanker (SST) was proposed by Equinor as an alternative to subsea pipelines and surface tankers for the transportation of liquid carbon dioxide (CO2) from existing offshore/land facilities to marginal ... -
Experimental investigation on the mechanical and chemical properties of lightweight aggregate concrete with CO2 curing
(Peer reviewed; Journal article, 2021)In the cement and concrete industry, enormous amounts of Carbon Dioxide (CO2) are emitted during their production processes. Carbon dioxide emission significantly contributes to the global climate change, which has been ... -
Suitability Analysis of Implementing a Fuel Cell on a Multirotor Drone
(Peer reviewed; Journal article, 2020-05)Increased flight time of multirotor drones is a key enabler for further adoption and industrial use of drones. A model for analyzing the performance of a fuel cell hybrid system for a multirotor drone is presented and ... -
Workflow and concept study to design mixed reality assisted safety training in the wind energy sector
(Peer reviewed; Journal article, 2021)Mixed reality Technology creates new environments and visualizations to teach, train, and facilitate work, either offline or remote online. The aim is to provide effective learning and training sources and reduce human ... -
Unlocking Household Electricity Consumption in Pakistan
(Peer reviewed; Journal article, 2021-11)In Pakistan, data for household electricity consumption are available in the form of monthly electricity bills only, and, therefore, are not helpful in establishing appliance-wise consumption. Further, it does not help in ...