Department of Mechanical and Structural Engineering and Materials Science (TN-IMBM): Recent submissions
Now showing items 961-980 of 1747
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Roadmap for upscaling operational capacity
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-06-14)It has been evident to the market that there is a desperate need for environmental-friendly industrial heat pumps that could deliver heat above 150ºC, as this is the highest temperature today's heat pumps can deliver. This ... -
Carbon dioxide application for Enhanced Oil Recovery in conditions of the Caspian Sea shelf
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-06-12)CO2 injection into the hydrocarbon-bearing reservoirs is considered as one of the most promising technologies for enhanced oil recovery. This technology has gained significant attention due to its economic benefits as there ... -
Improving the operating methods of the Piltun-Astokhskoye oil and gas condensate field, taking into account the manufacturability of the equipment and environmental safety requirements
(Masteroppgave/UIS-TN-IMBM/2019;, Master thesis, 2020)This thesis is devoted to the oil and gas condensate field in the north of Sakhalin Island - Piltun-Astokhskoye. The development and operation in the Arctic is a very time-consuming and financially expensive process. In ... -
Application of new technological solutions for improving development efficiency of the Korchagin field
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020)In this thesis oil and gas condensate Yu. Korchagin field is considered. It is located in the northern part of the Caspian Sea. Thus, production at this field is complicated by both marine production conditions and Arctic ... -
Development concept of oil field-A in the Pechora sea uner conditions of initial data uncertainty
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020)The development strategy of equipping an oil field of the Pechora Sea is discussed in this thesis. Because of the confidential data on the field received from PJSC Rosneft, the field is conventionally called Field-A in ... -
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 ... -
Failure Prediction of Carbon-Fibre Epoxy Composite Subsea Flowline Using Response Surface Methodology
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020)Carbon Fibre Epoxy Composite is a relatively new material utilized in the subsea oil and gas industry. The fibre reinforced composite is competitive for its high strength-to-weight ratio and good corrosion resistance. This ... -
Numerical Simulations of Flow Over Bottom-Mounted Structures at High Reynolds Number
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2019-06)A common challenge in on-bottom stability design is to select accurate hydrodynamic quantities, such as drag and lift coefficients, to compute the forces on structures subject to fluid flow. The objective of the present ... -
Justification of selection and installation method of an offshore oil and gas field structure for the shelf of the Okhotsk sea
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-06-08)This thesis is dedicated to the Ayashsky license block that is located near the northeastern part of the Sakhalin Island. A concept of the development of this offshore block of fields will be discussed in this work. Special ... -
Collapse Design Optimisation of Ring-Stiffened Cylindrical Pressure Hulls
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-07-01)The pressure hull is a vital structural component of the underwater vehicle. It enables the underwater vehicle to withstand environmental loadings such as hydrostatic pressure. Pressure hull design seeks maximum strength ... -
Dynamic analysis of lift-off operation of a subsea spool from a barge
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-07-15)The lift-off operation faces great operational challenges due to the harsh environment in the North Sea. Especially, the operation becomes more susceptible to environmental conditions when the installation method involves ... -
Development of the Oil and Gas Fields' Cluster in the Pechora Sea
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020)The Master Thesis aims to develop a cluster oil and gas fields development concept in the Pechora sea and carry out an economic feasibility estimation of this concept. The first chapter describes the climatic conditions ... -
Numerical study on structural responses of gravity-based fish cages
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020)The location of a fish farm is moving towards more exposed locations due to spatial and environmental concerns. As the fish farm moves to open seas, the structure of the fish farm would undergo increased environmental loads ... -
Numerical study on the deployment of a subsea template
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-06-30)Subsea templates are normally transported to the installation site on the deck of a crane vessel. After being lifted off from the deck, the template is 1) over-boarded from the initial location to the target position by the ... -
Numerical study of a concept for major repair and replacement of offshore wind turbine blades
(Peer reviewed; Journal article, 2020-03)Repair and replacement of offshore wind turbine blades are necessary for current and future offshore wind turbines. To date, repair activities are often conducted using huge jack-up crane vessels and by applying a reverse ... -
Investigation of Influence of Adjustments in Cyclist Arm Position on Aerodynamic Drag Using Computational Fluid Dynamics
(Peer reviewed; Journal article, 2020-06)In professional cycling, even small adjustments in position could mean that valuable seconds are gained over the course of a time-trial race. This study investigates the influence of arm position on the aerodynamic drag ... -
Case study on topology optimized design for additive manufacturing
(Peer reviewed; Journal article, 2019-10)Additive Manufacturing (AM), also known as rapid prototyping, rapid manufacturing, layer manufacturing and three-dimensional printing, represents one of the most promising aspects of manufacturing for highly complex ... -
Context analysis of Offshore Fish Farming
(Peer reviewed; Journal article, 2019-11)The in-land and nearshore fish farming is facing capacity limitation and onshore push-out regulations. Huge technological innovations are rapidly evolving toward developing competitive Offshore fish farming. These technological ... -
Numerical simulation of FDM manufactured parts by adopting approaches in composite material simulation
(Peer reviewed; Journal article, 2019-11)Additive manufacturing (AM) process is a promising manufacturing method that can replace conventional manufacturing methods, particularly for parts with complex geometry. It is the process of joining materials layer by ... -
Flexural dynamic behavior of submerged cylindrical structures under wave loads
(Peer reviewed; Journal article, 2019-11)Abstract. An analytical solution for the dynamic response of submerged slender circular cylindrical structure subjected to linear wave loads is presented. A double Laplace transform with respect to temporal and spatial ...