Department of Mechanical and Structural Engineering and Materials Science (TN-IMBM): Recent submissions
Now showing items 941-960 of 1741
-
Detectability of fatigue cracks in metals.
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020)The repetitive cyclic loading are the main cause of fatigue in metals and consequently their failure. Furthermore, the defects due to fatigue such as surface breaking and sub-surface, drastically effects the integrity of ... -
Investigation of critical time and temperature for pitting corrosion on 316SS cladding
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-06-30)The austenitic stainless steel 316L is a very common and low carbon stainless steel grade. 316L has great corrosion characteristics under harsh conditions such as seawater, acidic medias etc. The presence of molybdenum ... -
Microstructure and Mechanical properties of a Reversed Engineered Inconel 625 Produced by Direct Energy Deposition
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-07-15)The purpose of this study is to investigate the micro-structural and mechanical properties of reverse engineered Inconel 625 manufactured by direct energy deposition (DED). A costume made 4kW robotized DED machine was used ... -
The Effect of CO2 Curing on Cement-Based Materials
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-07-15)Early carbonation curing of concrete elements has been shown to be a promising sustainable technology for CO2 capture and utilization, which would be beneficial for the environment. It has been found that carbonation curing ... -
A Feasibility Study on Condition-based and Predictive Maintenance at Ula Gas Upgrade: Status mapping, analysis of potential and framework for implementation
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-06)The oil and gas operators across the Norwegian Continental Shelf have entered a phase where over 50% of the fixed installations offshore have passed their expected lifetime. With aging facilities and extended life of ... -
Study of the Characteristics of Acoustic Emission Signals.
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-07-15)This report aims to study the characteristics of signals collected by Acoustic Emission Testing (AET) and categorize them into types to detect yield. A literature survey of existing knowledge of AET and Acoustic Emission ... -
Life Extension of Offshore System: A Framework for Optimization of Maintenance Needs and Operation Requirement W.R.T End Life Management Scenario
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-02-01)In offshore production installations, numerous platforms, facilities, systems, and equipment’s are approaching or already exceeded their original design life. The industrial product is design for limited timespan and ... -
Requirements Elicitation for Barrier Monitoring System
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-07-10)The activities undertaken by operator companies in the Norwegian Continental Shelf pose a very high risk to human life and the environment. Leading causes of accidents are poor maintenance, inadequate risk assessment and ... -
Asset Digitalization, Change, and Psychological Adaptation: A Study of Human Response Patterns under Integrated Operations
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-06-15)The oil and gas industry is globally and geographically dispersed, some operations are in remote, politically, and economically unstable locations. Therefore, it is critical that companies maintain their production in a ... -
Permanent Plug & Abandonment Decision Support Technique: Modelling and Simulation based Analysis for Enhanced Value
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-06)Several oil and gas producing assets on the NCS (Norwegian Continental Shelf) are entering a phase where the costs of extracting the hydrocarbons from the reservoir exceeds the income generated from production, and thus ... -
Using Lifecycle Analysis (LCA) Towards Environmental and Human Health Footprints of Electrically Assisted Velomobile, PODBIKE
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-06-15)The transportation sector is responsible for the second largest ratio of the greenhouse gas emissions that can cause severe effects on human health and the environment. On the other hand, this sector is important by providing ... -
Evaluating the benefit of PdM on Critical equipment by use of Modelling and Simulation: A case study
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-07-15)Advanced analytics and modelling have been highlighted as key enablers for improved digital life cycle management in the coming digital transformation of the Oil & Gas Industry... -
Digital transformation through Model Based definition (MBD) – An Industry product life cycle perspective
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-06-24)Due to technological advancements, the human lifestyle is keep changing with respect to the consumption of modern equipment’s and it is inevitable to catchup with the trends. For example, touch screen phones made a big ... -
Data Stream Evaluation for Decision Enhancement to Prescribe Maintenance
(Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-06-18)Nowadays, global competition and rapid technological advancement in the oil and gas industry induce organizations to enhance their maintenance strategies. Oceaneering, as a company within the energy industry, employs ... -
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 ...