Now showing items 168-187 of 1213

    • Capacity of Bolted T-stub Connections Between Different Materials Subjected to Tension and Thermal Load 

      Ydstebø, Kristian (Masteroppgave/UIS-TN-IKM/2017;, Master thesis, 2017-06-14)
      The purpose of this thesis is to study the behaviour of bolted T-stub connections of different materials subjected to tension and thermal load. In the Eurocode, NS-EN 1993-1-8 [1], there are given rules and guidelines for ...
    • Carbon dioxide application for Enhanced Oil Recovery in conditions of the Caspian Sea shelf 

      Vyrodov, Alexandr (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 ...
    • Case Study on Lean Manufacturing 

      Alex Diter Esquivel Tabares (Master thesis, 2022)
      Technological companies are struggling to keep competing in the global market. Customers have higher expectations now that an efficient and high-quality product is no longer sufficient. For example, Laerdal has to offer ...
    • Case Study: Root Cause Analysis at Altus Intervention 

      Steinnes Ivesdal, Jonas (Bachelor thesis, 2021)
      This thesis carries out a case study of Altus Interventions Root Cause Analysis, focusing on the reporting program Synergi and the methodology surrounding it. The central thesis objective is to map the current methodology ...
    • Cement bond evaluation 

      Østerbø, Kristian (Masteroppgave/UIS-TN-IKM/2014;, Master thesis, 2014-06-15)
      As part of completing an oil well strings of casing are inserted into a pre-drilled hole and cemented in place. The twofold purpose of the cement is to provide casing support and hydraulically isolate the annular space to ...
    • CFD analysis of gas-particle flow in a scaled circulating fluidized bed 

      Engen, Thomas (Masteroppgave/UIS-TN-IKM/2016;, Master thesis, 2016-06)
      The hydrodynamics of gas-particle flow in a Circulating Fluidized Bed (CFB) system have been studied computationally. The numerical predictions are evaluated against experimental testing done on a 1/9th scale cold CFB ...
    • CFD Analysis of Internal Pipe Flows 

      Liestyarini, Utari Cendhy (Masteroppgave/UIS-TN-IKM/2016;, Master thesis, 2016-06-15)
      The process piping in the refinery plant does not always have straight pipe geometry. The configuration of these pipelines are usually zigzag or snake-like. The pipe fittings or joints including elbow pipes, blind-tee pipes, ...
    • CFD analysis of subsea pipelines and risers. 

      Ivantsiv Alexey (Master thesis, 2021)
      In the master's thesis, an analysis of promising shelf areas in Russia is given for the need to introduce riser systems. The main risers types used in the oil and gas industry are described. The global tasks in work are ...
    • CFD analysis of temperature development due to flow restriction in pipeline 

      Trydal, Jakob (Masteroppgave/UIS-TN-IKM/2015;, Master thesis, 2015-05-29)
      If the pressure difference in a pipe, up- and downstream of a restriction orifice, is above a critical value, the flow becomes choked and an under-expanded jet occurs. For very large pressure differences, the gas experiences ...
    • CFD Analysis of Topographically Induced Turbulence and its Effect on a Fatigue Life Analysis of a Wind Turbine Yaw Gear 

      Halvorsen, Eirik (Masteroppgave/UIS-TN-IMBM/2019;, Master thesis, 2019-06)
      This master's thesis describes a case study of a turbine farm, where the topography and its effect on turbulence is compared to a fatigue life analysis.
    • CFD investigation of flow through an orifice inside a pipe 

      Nitter, Bjørnar (Masteroppgave/UIS-TN-IMBM/2019;, Master thesis, 2019-06-14)
      Flow measurement is found in a large variety of industries and for different types of fluids. Orifice flow meters are widely used for measuring the flow rate in pipelines due to its small size in the piping system and ...
    • CFD investigation of fluid flow within elbow pipes 

      Taibi, Ridoan (Master thesis, 2021)
      Elbow pipes are crucial parts of many fluid transport systems, including ones used in the oil and gas industry. The curved shape of such pipes induces centrifugal forces on the internal flow, ultimately affecting the flow ...
    • CFD Modelling of Turbulence around Offshore Structure 

      Nevestveit, Roger Usken (Masteroppgave/UIS-TN-IKM/2016;, Master thesis, 2016-06-15)
      Leakages of methane from the seabed is a common problem for oil companies, and they are held responsible for leakages surrounding the platforms at sea. These leakages has to be monitored in some way, and Stinger Technology ...
    • CFD simulation of an offshore air intake and exhaust system 

      Sirevaag, Ola (Master thesis, 2015-06-15)
      The main purpose is to investigate whether the exhaust gases from an offshore turbine can be rerouted to heat the air entering the turbine system, thus keeping air humidity concentration above acceptable levels. To ensure ...
    • CFD simulation of the flow over a 2-dimensional pipe and vortex induced vibration of the pipe with 1 degree of freedom 

      Tawekal, Jessica Rikanti (Masteroppgave/UIS-TN-IKM/2015;, Master thesis, 2015-06-16)
      The fluid that flows through a pipeline free span can generate vortex shedding around the pipe and triggers Vortex Induced Vibration (VIV). This VIV is a major source of fatigue damage due to dynamic stresses in the pipeline ...
    • CFD simulations of flow around the tandem cylinders close to the seabed 

      Pogosov, Mamikon (Masteroppgave/UIS-TN-IKM/2016;, Master thesis, 2016-06-15)
      CFD is a useful tool for understanding continuum mechanics and analyzing flows, both disturbed and undisturbed. When we analyze flow around cylinders with CFD, we can get numerical results. We have the opportunity to see ...
    • CFD Simulations of Vortex-Induced Vibrations of a Subsea Pipeline Near a Horizontal Plane Wall 

      Janocha, Marek Jan (Masteroppgave/UIS-TN-IMBM/2018;, Master thesis, 2018-06)
      Subsea pipelines, when exposed to free spans, can experience vortex-induced vibrations. This phenomenon was described as a resonance condition occurring when the vortex shedding frequency and the natural frequency of a ...
    • CFD Simulations on a partially submerged cylinder under regular waves using OpenFOAM 

      Diz-Lois Palomares, Gonzalo (Master thesis, 2015-06-15)
      In this Master Thesis, an overview of the performance and applicability of IHFoam numerical tool to offshore engineering related problems is presented. IHFoam is a recent numerical tool for wave modeling using a Computational ...
    • CFD-simulations of flow over large turbine blades under extreme load conditions 

      Hjorteland, Stian (Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-06-29)
      The goal of this project is to investigate the opportunity of performing CFD-analysis of flow over a large offshore wind turbine at a high angle of attack during extreme loading conditions. At a 90° angle of attack, the ...
    • CFD-simulations of wave-wind interaction 

      Kverneland, Richard (Masteroppgave/UIS-TN-IKM/2012;, Master thesis, 2012)
      Apart from solar energy, wind energy is the renewable energy which has the greatest potential. Offshore wind power is expected to have an annual growth of approximately 30 % in the decade to come. Even though the offshore ...