Browsing NTNU Open by Title
Now showing items 54931-54950 of 100611
-
LNG as fuel on fishing vessels - Assessment of economic feasibility and environmental impact
(Master thesis, 2018)Fisheries have had an important role in the Norwegian economic growth and culture for centuries. While regulatory requirements concerning emission abatement are becoming more demanding, measures aimed at improvement of ... -
LNG Bunkering Operations: Establish probabilistic safety distances for LNG bunkering operations.
(Master thesis, 2014)The environmental and economical advantages of using LNG as marine fuel have been recognized by the industry. In response to increasing demand, construction of LNG bunkering infrastructure is under rapid development. Several ... -
LNG pushbarge
(Bachelor thesis, 2016)Hensikten med oppgaven var å designe et LNG-fartøy som skal effektivisere distribusjonen av LNG. Dette LNG-fartøyet består av to deler, en pusher og en lekter. I sammenkoblet modus vil de fungere som et vanlig skip, men ... -
LNG-fuelled fishing vessels: A systems engineering approach
(Journal article; Peer reviewed, 2017)Air emissions from fishing vessels must be reduced to comply with progressively stringent environmental regulations. Among the available solutions, liquefied natural gas (LNG) fuel may represent a promising solution, ... -
LNMO as a cathode material in Li-ion batteries: Reasons for capacity fade and measures taken to prevent it
(Bachelor thesis, 2023)Lithium nikkel manganoksid (LNMO) er en lovende kandidat som katodemateriale i Li-ion batterier (LIBs) på grunn av sin høye energitetthet. Batterier med LNMO som katodemateriale kan oppleve kapsitetstap over tid grunnet ... -
Load and Deformation Relations of Placed Riprap Model with Toe Support
(Chapter, 2022)Abstract: Rockfill dams are hydraulic structures of major importance that can be exposed to extreme flood events, leading to overtopping processes. These phenomena erode and weaken their structural and geotechnical stability. ... -
Load and Response Analysis of a 10 MW SPAR Wind Turbine
(Master thesis, 2023)Teknologi basert på fornybar energi har vekket betydelig interesse, og det er viktig å fortsette forskningen og utviklingen av disse teknologiene. Overgangen til fornybar energi er i gang, med ønsket om å fase ut fossile ... -
Load and response analysis of wind turbines under atmospheric icing and controller system faults with emphasis on spar type floating wind turbine
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:192, Doctoral thesis, 2013)Deep water offshore wind is a vast, reliable and economical energy source. Floating offshore wind turbines are potential systems to capture this energy which need to be analysed and designed in order to achieve economic ... -
Load and Response Calculation from Breaking Wave Impacts on Columns of Semisubmersible Platforms
(Master thesis, 2017)Marine structures are subjected to slamming loads during their operating life. Increasing concerns are raised regarding the calculations of extreme loading caused by breaking waves. Slamming loads are associated with ... -
Load Balancing of a Modular Multilevel Grid Interface Converter for Transformer-Less Large-Scale Wireless Electric Vehicle Charging Infrastructure
(Peer reviewed; Journal article, 2020)This paper analyses the requirements for load balancing of a new transformer-less grid interface topology for large-scale electric vehicle (EV) charging infrastructures. The proposed configuration utilizes a Modular ... -
Load Balancing of Pseudo-random Workloads on Heterogeneous Systems
(Master thesis, 2017)Heterogeneous computing systems using one or more graphics processing units (GPUs) as accelerators present unique load balancing challenges due to the architecture of the GPUs. Assigning a part of the workload proportional ... -
Load case reducation for offshore wind turbine support structure fatigue assessment by importance sampling with two-stage filtering
(Journal article; Peer reviewed, 2019)A complete fatigue assessment for operational conditions for offshore wind turbines involves simulating thousands of environmental states. For applications such as optimization, where this assessment needs to be repeated ... -
Load Charts Calculations for Offshore Pedestal Cranes by Motion Response Analysis
(Master thesis, 2014)In this Master's thesis the sea lift operation from a supply vessel onto a oil platform has been evaluated. Two models have been built and analysed with different input parameters, as well as compared with the current load ... -
Load Compensation by DSTATCOM with LCL-Filter by Comparing Different Resonance Damping Methods
(Chapter, 2020)This paper presents the design of a Distribution Static Compensator (DSTATCOM), interfacing the grid with an inductor-capacitor-inductor (LCL) filter, controlled by using dq0 current controller and sinusoidal pulse-width ... -
Load Control for Real-time Hybrid Model Testing using Cable-Driven Parallel Robots
(Doctoral theses at NTNU;2021:284, Doctoral thesis, 2021)Real-time hybrid model testing (ReaTHM testing) is a method for emulating ocean structures that combines numerical methods with traditional hydrodynamic model testing. This is done by partitioning the ocean structure under ... -
Load Current Interruption in Air for Medium Voltage Ratings
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:83, Doctoral thesis, 2014)Load break switches (LBSs) are common inside metal clad switchgear assemblies where space is a limiting factor. SF6 is usually used in this application due to its superior electrical characteristics, but is unfortunately ... -
Load Deflection Characteristics of Guide Vane End Seals
(Master thesis, 2017)This Master Thesis consider the load deflection characteristics of end seals incorporated in guide vanes used in hydropower turbines. The force response of the end seals is critical in order to prevent leakage and thus ... -
Load Distribution, from a Bridge Abutment, in a Layered EPS Embankment with different Compressive Strength: Lastspredning, under belastning av et brolandkar, i en lagdelt EPS fylling med ulik trykkstyrke
(Master thesis, 2012)The load distribution in expanded polystyrene (EPS) embankments is complex. Three different case studies were selected in order to find a simple way of estimating the stresses by depth. Three distribution theories that ... -
Load effects in reinforced concrete beam bridges affected by alkali–silica reaction—Constitutive modelling including expansion, cracking, creep and crushing
(Peer reviewed; Journal article, 2021)Material modelling, from the micro to the macro level, of concrete affected by alkali–silica reaction (ASR) has been devoted a lot of research. However, the application of the material models in structural analyses of ... -
Load effects of alkali-silica reaction in reinforced concrete beam bridges - Material testing, Constitutive modelling and Numerical simulation
(Doctoral theses at NTNU;2023:20, Doctoral thesis, 2023)Alkali-silica reaction (ASR) is a deterioration process in concrete that was discovered in the mid-1930s, and which still affects concrete structures all over the world. ASR is considered a multi-scale phenomenon; it is a ...