Blar i Institutt for marin teknikk på tittel
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The Theory of Bond Graphs in Distributed Systems and Simulations
(Chapter, 2016)The bond graph theory provides a firm and complete strategy for making mathematical models and are used in this work to obtain a good relation between connectivity, causality and model fidelity in distributed systems. By ... -
Thermal analysis of marine structural steel EH36 subject to non-spreading cryogenic spills. Part I: experimental study
(Peer reviewed; Journal article, 2021)Liquefied Natural Gas (LNG) spills may cause steel to embrittle, leading to the brittle fracture of marine structures due to the cryogenic temperatures. For the integrity assessment of marine steel structures in the event ... -
Thermal analysis of marine structural steel EH36 subject to non-spreading cryogenic spills. Part II: finite element analysis
(Peer reviewed; Journal article, 2021)In Part I of this paper, six liquid nitrogen (LN2) pool boiling tests were carried out to locally cool down six different EH36 steel plates to cryogenic temperatures. Leindenfrost and Critical Heat Flux (CHF) points of LN2 ... -
Thermal analysis of marine structural steel EH36 subject to non-spreading cryogenic spills: Part III: structural response assessment
(Peer reviewed; Journal article, 2022)An experimental study that allows for thermal-structural analysis of steel structures subject to non-spreading cryogenic spills is described. A local, non-spreading cryogenic spill was replicated by building a liquid ... -
Thermodynamical Analysis Tool in MATLAB: Development of a thermodynamical analysis tool for the Combustion Rig in the combustion laboratories at MARINTEK, Trondheim
(Master thesis, 2014)To meet the increasing world populations need for transportation, fossil fueled ships will are ready to offer their services. Less fuel fuel consumed per cargo unit transported, is favourable for both the operator and the ... -
Three-Dimensional Analysis of Slamming
(Dr. ingeniøravhandling, 0809-103X; 2003:85, Doctoral thesis, 2003)Impact between the water and ship, i.e. slamming can cause important global and local effects. A numerical method has been applied to predict water entry loads on three-dimensional bodies. When the local angle between the ... -
Three-dimensional Experimental Investigation of Hydrodynamic Forces and Wake Interaction between Two Square Cylinders in Large-amplitude Oscillatory Flow
(Master thesis, 2023)Dette arbeidet undersøker hydrodynamiske interaksjonskrefter og effekter mellom tredimensjonale kvadratiske sylindre i stor Keulegan-Carpenter-strøm (KC). Dette gjøres primært eksperimentelt, med noen innslag fra den ... -
A Three-Dimensional Model for Strength Assessment of Type-C Independent Cargo Tank Structures
(Peer reviewed; Journal article, 2020)For the analysis of the arrangement and strength of Type-C independent cargo tank structures, the linear spring or rod elements are usually used to model supporting woods, in which one-dimensional and linear contact behaviors ... -
Three-dimensional numerical modeling of local scour around a non-slender cylinder under varying wave conditions
(Chapter, 2015)The three-dimensional numerical model REEF3D is used to simulate the detailed flow field and sediment transport around a non-slender cylinder under regular waves. The location of the free surface is calculated with the ... -
Three-dimensional numerical modelling of wave-induced scour around piles in a side-by-side arrangement
(Journal article; Peer reviewed, 2018)The paper presents the numerical modelling of wave-induced scour around piles in a side-by-side arrangement using the open-source CFD model REEF3D. The model solves the Reynolds-Averaged Navier-Stokes equations to calculate ... -
Three-dimensional numerical modelling of wave-induced scour around piles in a side-by-side arrangement
(Journal article; Peer reviewed, 2018) -
Three-Dimensional Path Planning of Deep-Sea Mining Vehicle Based on Improved Particle Swarm Optimization
(Peer reviewed; Journal article, 2023)Three-dimensional path planning is instrumental in path decision making and obstacle avoidance for deep-sea mining vehicles (DSMV). However, conventional particle swarm algorithms have been prone to trapping in local optima ... -
Three-dimensional streaming in sea bed boundary layer
(Doctoral theses at NTNU;2017:62, Doctoral thesis, 2017)The objective of the work carried out in the present thesis is to obtain new insights into wave- current seabed boundary layers by studying the wave-current interaction for the general case of a non-zero angle between the ... -
Three-dimensional wake transition behind an elliptic cylinder near a moving wall
(Peer reviewed; Journal article, 2021)In this work, the flow over an elliptic cylinder near a moving wall is investigated for Reynolds numbers less than 150. Here, the ratio between the gap (i.e., the distance between the cylinder and the wall) and the length ... -
Thrust Allocation with Dynamic Power Consumption Modulation for Diesel-Electric Ships
(Journal article; Peer reviewed, 2016)Modern ships and offshore units built for dynamic positioning (DP) are often powered by an electric power plant consisting of two or more diesel-electric generators. Actuation in any desired direction is achieved by placing ... -
Thrust loss due to interaction with ship hull and bottom for ships in shallow waters
(Master thesis, 2022)Målet med denne master avhandlingen er et klart svar på spørsmålet: \emph{Er det en spesifikk effekt, eller kombinasjon av flere som forekommer på grunt vann og forårsaker thrust tap?} Etter et relativt bredt litteratursøk ... -
Thrust loss on azimuthing thrusters due to Coanda effect
(Master thesis, 2010)The main objectives in this master's thesis is to investigate how the Coanda effect influences a thruster jet which further causes a thrust loss. The tendency of a thruster slipstream to be deflected towards a nearby ... -
Thrust Losses on Underwater Snake Robots with Thrusters
(Master thesis, 2017)The main motivation behind this thesis is to study the effects from different thrust losses on an underwater snake robot (USR) with thrusters. In-line velocity fluctuations, transverse velocity fluctuations, thruster-thruster ... -
Thrust Optimisation of an Oscillating Hydrofoil - By Non-Sinusoidal Sway and Yaw Motion
(Master thesis, 2017)Past research has shown that oscillating hydrofoils can enhance the propulsion efficiency significantly compared to traditional propellers. Dynamic stall plays an important role in the thrust generated by an oscillating ... -
Thruster-Assisted Position Mooring of C/S Inocean Cat I Drillship
(Master thesis, 2016)This thesis presents the development of a new research foundation into the Marine Cybernetic Laboratory, the C/S Inocean Cat I Drillship. This is a 1:90 scaled model of an Arctic drillship design by Inocean for Statoil. The ...