Browsing Department of Mechanical and Structural Engineering and Materials Science (TN-IMBM) by Title
Now showing items 297-316 of 1695
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Comparisons study of S-Lay and J-Lay methods for pipeline installation in ultra deep water
(Masteroppgave/UIS-TN-IKM/2013;, Master thesis, 2013)The pipeline industry has developed its technical capabilities to enable operations in deeper water. In ultra deepwater developments, the offshore industry has been challenged to solve demanding tasks, to develop new and ... -
A compensation scheme applied on wind turbine blade pitch control for the reduction of non-torque main shaft loads
(Peer reviewed; Journal article, 2021)It has been well established that non-torque main shaft loads influence the internal drive train loads. This paper proposes a scheme that compensates for non-torque loads in the blade pitch controller. The compensation ... -
Composing of conceptual solutions for the Silurian deposits development of the Prirazlomnoye oilfield in the Pechora Sea
(Master thesis, 2022)Russian Arctic shelf opens broad opportunities for oil and gas fields’ development and hydrocarbon potential for the years to come. Among a number of other fields, the Prirazlomnoye oilfield is a unique one, as it is the ... -
Composite Overwrapped Pressure Vessel Design Optimization Using Numerical Method
(Journal article; Peer reviewed, 2022-08-05)Composite Overwrapped Pressure Vessels (COPVs) are widely used in fields including aeronautics and by companies such as SpaceX to hold high pressure fluids. They are favored for these applications because they are far ... -
Computational Fluid Dynamics (CFD) Investigations of flow past subsea cover
(Master thesis, 2021)Glass reinforced plastic (GRP) subsea protection covers are often used to protect offshore pipelines, umbilicals and other important subsea structures from dropped objects released from offshore oil and gas and fishing ... -
Computational Fluid Dynamics (CFD) Investigations of Flow-Induced Vibrations of Two Rigidly Coupled Cylinders at High Reynolds Number
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020)Two degree-of-freedom (2-DoF) flow-induced vibrations (FIV) of a single cylinder and two rigidly coupled cylinders are numerically investigated at the Reynolds number of 3.6 × 10^6. Two-dimensional (2D) Unsteady ... -
Computational Fluid Dynamics (CFD) simulation of two-dimensional(2D) cross sectional flow around twin-box girder bridge
(Masteroppgave/UIS-TN-IKM/2017;, Master thesis, 2017-06-15)Flow around a twin-box bridge with a fixed spacing between the decks has been investigated using the two dimensional (2D) Unsteady Reynolds-Averaged Navier–Stokes (URANS) equations with the k–ω Shear Stress Transport (SST) ... -
Computational fluid dynamics simulation of flying discs
(Master thesis, 2021)This manuscript is divided in two parts. First, a comprehensive review of flight dynamics and disc-wing aerodynamics literature is presented. It discusses the aerodynamic characteristics of circular planform wings and the ... -
Computational investigation of the aerodynamic performance of reversible airfoils for a bidirectional tidal turbine
(Peer reviewed; Journal article, 2021)A reversible airfoil is an airfoil that has equal performance when the flow is reversed. Such airfoils are relevant for many different applications, including use in ventilation fans, helicopter rotors, wind turbines and ... -
Computer Vision in Wind Turbine Blade Inspections: An Analysis of Resolution Impact on Detection and Classification of Leading-Edge Erosion
(Master thesis, 2023)Wind turbines, as critical components of the renewable energy industry, present unique maintenance challenges, particularly in remote or challenging locations such as offshore wind farms. These are amplified in the inspection ... -
Concept design of self-contained remotely controlled running tool
(Masteroppgave/UIS-TN-IKM/2009;, Master thesis, 2011) -
Concept design of self-contained remotely controlled running tool
(Masteroppgave/UIS-TN-IKM/2009;, Master thesis, 2011) -
Concept Evaluation and Analysis of Soft-Landing System for subsea modules
(Master thesis, 2021)The offshore installation is a large process that will face several obstacles, including unpredictable ocean conditions. During the landing stage, the installation platform restricts the movement of the equipment. Furthermore, ... -
Concept evaluation of tethered station keeping system for a mono-hull floating offshore vertical axis wind turbine
(Masteroppgave/UIS-TN-IKM/2016;, Master thesis, 2016-06-14)The objective of this thesis is to perform a concept evaluation of novel station keeping concept for offshore vertical axis wind turbines based on the well-known tension leg platform (TLP) principle. The main characteristic ... -
Concept of a FLNG vessel for the Russian Arctic shelf
(Masteroppgave/UIS-TN-IMBM/2018;, Master thesis, 2018-06)The implementation of FLNG will introduce flexibility and mobility in the gas market. When we use pipeline transportation, the producer and the buyer are connected for decades by the created infrastructure, while in using ... -
Concept of a Pipeline Protection against Ice Ridges and Vortex-Induced Vibrations
(Masteroppgave/UIS-TN-IMBM/2019;, Master thesis, 2019-06)The development of offshore oil and gas fields involves a few challenges concerning the pipeline on-bottom protection, particularly in the Arctic zone. In the shallow waters the ice ridges may make dangerous gouges, hence, ... -
Concept Study - Reengineering and Product Development: HVAC Cabin Units for Ships
(Bachelor thesis, 2022)The production of a HVAC cabin unit is about 4,1 times higher in Norway than in the current production site in China. This is the result of a product development for manufacturing process that have been conducted. Even ... -
Concept study of a Digital Twin of a Precision Agricultural Robot
(Master thesis, 2022)When designing a digital twin, different properties are needed to be implemented so that the physical twin can be able to interact with the environment and fulfil the tasks that the physical asset was developed for. The ... -
Conception and development of method / apparatus for close-visual inspection of subsea structures in underwater poor visibility condition
(Masteroppgave/UIS-TN-IKM/2010;, Master thesis, 2010)Attempt has been made to demonstrate that in unclear water to zero underwater visibility conditions, where ordinarily, underwater divers would be unable to observe objects, it is easily possible to perform inspections ... -
Conceptual Design and Feasibility Study for a Generic Connector for Subsea Fluid Transfer
(Master thesis, 2021)Hot stabs are connectors for subsea fluid transfer between Remote Operated Vehicle (ROV) power sources and subsea equipment. Current hot stab solutions, that are compliant with industry standards, have significant limitations ...