Browsing NTNU Open by Title
Now showing items 44670-44689 of 101539
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Hydrodynamic analysis of partially filled liquid tanks subject to 3D vehicular manoeuvring
(Journal article; Peer reviewed, 2019)This paper is concerned with liquid sloshing in a partially filled container due to 3-dimensional vehicle motion. The liquid sloshing is described by a set of linear modal equations derived from the potential flow theory, ... -
Hydrodynamic and magnetohydrodynamic turbulence : some numerical experiments
(Doktoravhandlinger ved NTNU, 1503-8181; 2004:128, Doctoral thesis, 2004)This thesis consists of a brief introduction to hydrodynamics and magnetohydrodynamics, followed by five articles that address different aspects of hydrodynamic and magnetohydrodynamic turbulence. Paper A: Bottleneck ... -
Hydrodynamic and structural aspects of ship collisions
(Doctoral theses at NTNU;2017:250, Doctoral thesis, 2017)Ships and offshore installations operating at sea are exposed to the risk of collision accidents, which may cause severe consequences. It is therefore crucial to understand the physics of the collision process and to design ... -
Hydrodynamic Aspects of Sail-Assisted Merchant Vessels
(Doctoral theses at NTNU;2022:190, Doctoral thesis, 2022)Modern sail technology is a potential solution for reducing the fuel consumption for merchant ships. This can be used to either reduce the emission of greenhouse gasses with conventional fuels, or the cost related to ... -
Hydrodynamic Coeffcients for Vortex-Induced Vibrationsof Flexible Beams
(Doktoravhandlinger ved NTNU, 1503-8181; 2008:329, Doctoral thesis, 2008) -
Hydrodynamic Coefficients for Wellhead Structures
(Master thesis, 2011)This Master of Science Thesis is written at the Norwegian University of Science and Technology (NTNU), in Trondheim, Norway. The M.Sc. Thesis is executed during the spring of 2011. This thesis is a result of a request from ... -
Hydrodynamic Coefficients of Generic Subsea Modules in Forced Oscillation Tests – Importance of Structure Parts
(Chapter, 2022)A systematic study of the hydrodynamic coefficients for simplified subsea modules has been performed, to support the estimation of the coefficients needed for planning of subsea installation operations. The coefficients ... -
Hydrodynamic Coefficients of Simplified Subsea Structures
(Chapter, 2018)Simplified two-dimensional models, representing components of complex subsea structures, are experimentally investigated. Individual as well as combinations of components in different configurations are tested, in order ... -
Hydrodynamic Coupling of Viscous and Non-Viscous Numerical Wave Solutions Within the Open-Source Hydrodynamics Framework REEF3D
(Chapter, 2021)A comprehensive understanding of the marine environment in the offshore area requires phase-resolved wave information. For the far-field wave propagation, computational efficiency is crucial, as large spatial and temporal ... -
Hydrodynamic Coupling of Viscous and Nonviscous Numerical Wave Solutions Within the Open-Source Hydrodynamics Framework REEF3D
(Peer reviewed; Journal article, 2022)A comprehensive understanding of the marine environment in the offshore area requires phase-resolved wave information. For far-field wave propagation, computational efficiency is crucial, as large spatial and temporal ... -
Hydrodynamic Damping of a Fluttering Hydrofoil in High-speed Flows
(Journal article; Peer reviewed, 2018)A hydrofoil resembling a high head Francis runner blade was submerged in a rectangular channel and attached to the walls in a fixed-beam configuration. The hydrofoil was excited by piezoelectric Macrofiber composite actuators ... -
Hydrodynamic design of an affordable USV
(Master thesis, 2020)Denne masteroppgaven presenter et arbeid som er gjennomført for å designe et rimelig priset ubemannet overflatefartøy. Oppgaven er delt inn i fire steg hvorav den første er å kombinere potensialteori, empiriske modeller ... -
Hydrodynamic design of an autonomous ROV vessel
(Master thesis, 2020)Den fyrste autonome fullskala lastekontainerfartøyet er for tida under bygging, kjend under namnet «Yara Birkeland». Ettersom teknologien stadig blir bedre, er det sannsynleg at den autonome teknologien kan utvidast til ... -
Hydrodynamic design of high pull ROV
(Master thesis, 2010)This paper is a study of the design of a ROV with high pull force. The focus is the hydrodynamic design, but several other aspects had to be included to set feasible boundaries for the hydrodynamic design. The work is ... -
Hydrodynamic Design Principles and Structural Verification of a Hydrofoil Concept for Kiteboarding
(Master thesis, 2022)Bruken av hydrofoiler i kiteboarding har de siste ˚arene blitt stadig mer populært og vil for første gang bli inkludert i de olympiske leker i 2024. Siden oppstarten har den primære utviklingsinnsatsen vært˚a optimalisere ... -
Hydrodynamic development of a bionic pectoral fin for undersea monitoring platform
(Journal article; Peer reviewed, 2018)Bionic pectoral fins play an essential role in achieving the superior swimming ability of the bio-inspired undersea monitoring platform by producing desired movements and propulsion forces. This paper discusses the ... -
Hydrodynamic effects regarding free-fall lifeboat for compressible air in CFD simulations
(Master thesis, 2017)Free falling lifeboats are often used as a last resort evacuation system for fixed or floating offshore installations. Lifeboats are normally resting at a skid which is mounted at the mother vessel, until the hook holding ... -
Hydrodynamic effects relevant for free-falling lifeboats in wave conditions
(Master thesis, 2017)A free- falling lifeboat is a last resort evacuation system, installed on many rigid and floating offshore structures. The diving process of a free-falling lifeboat is a complex matter, as the external forces varies through ... -
Hydrodynamic Force Identification from Stochastic Vortex Induced Vibration Experiments with Slender Beams
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:179, Doctoral thesis, 2011)As offshore industry goes to deeper waters, vortex induced vibrations (VIV) becomes an increasingly challenging factor in riser design. However, VIV is still not fully understood. This thesis studies the hydrodynamic forces ... -
Hydrodynamic Interaction Among the Pontoons of a Floating Bridge: Effect of Global Responses
(Master thesis, 2018)The National Public Road Administration has made a plan to establish a ferry-free road connection between Kristiansand and Trondheim. Bjørnafjorden is one of these fjords that have to be crossed, and several solutions are ...