Browsing Department of Mechanical and Structural Engineering and Materials Science (TN-IMBM) by Title

Now showing items 1469-1488 of 1695

    • Study of rail-wheel contact problem by analytical and numerical approaches 

      Sirata, Goftila; Lemu, Hirpa G.; Waclawiak, Krzysztof; Jelila, Yohanis D. (Peer reviewed; Journal article, 2021)
      This study presents the rail wheel contact problems under normal and tangential categories. Both analytical and numerical approaches were used for modelling, where the analytical approach assumed elliptical contact patches ...

    • Study of the Characteristics of Acoustic Emission Signals. 

      Nguyen, Bao (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 ...

    • Study of the Characteristics of AET Signals for Structural Health Monitoring 

      Elkhayat, Yehia (Master thesis, 2021)
      This research aims to study the characteristics of acoustic emission signals emitted from a steel sample under loading. The thesis is a continuation of previous theses submitted in 2019 by Dawood and in 2020 by Nguyen. ...

    • Study of the Effects of Alkali Treatment and Fiber Orientation on Mechanical Properties of Enset/Sisal Polymer Hybrid Composite 

      Bekele, Abera E.; Lemu, Hirpa G.; Jiru, Moera G. (Peer reviewed; Journal article, 2023-01)
      Abstract In the manufacturing process of innovative fiber-based composite materials, natural fibers are among the most commonly employed reinforcements. In this study, Enset/Sisal (E/S) fiber with a polyester matrix was ...

    • Study of the module handling system on Seven Viking 

      Gluggvasshaug, Knut Erik (Masteroppgave/UIS-TN-IKM/2015;, Master thesis, 2015-06-15)
      Subsea installations is a vital part of the oil and gas industry, but as have also been a major cost factor. When the oil price decline, subsea installations are one of the first fields to be affected. The priority to cost ...

    • Study of the Performance of Natural Fiber Reinforced Composites for Wind Turbine Blade Applications 

      Batu, Temesgen; Sirabizuh, Belete; Lemu, Hirpa G. (Peer reviewed; Journal article, 2020)
      Availability of some form of energy is essential for human survival and social development. However, the way energy has been generated within the last century has brought forward the quest for generation of energy without ...

    • Study of vessel performance in extreme loading conditions for a new built offshore construction vessel during installation of flexible flowline 

      Lindaas Sørensen, Kristian (Masteroppgave/UIS-TN-IKM/2014;, Master thesis, 2014-06-16)
      A new built vessel need to carry out extensive sea trials before being put in what could be considered as “normal operation”. This is done to make sure the capabilities of the vessel are known to the vessel’s crew, captain, ...

    • Study of weld design and cost versus fabrication cost 

      Steinmoen, Lasse (Masteroppgave/UIS-TN-IKM/2013;, Master thesis, 2013)
      Increasing demand in economic- and time-efficiency, in the production and design phase, has led to the question if there is a possibility to save time and money on a more detailed analysis on which weld type to use. The ...

    • Study on Development Strategies of a Small and Medium-sized Enterprise in Dynamic Environment 

      Wang, Xuecheng (Masteroppgave/UIS-TN-IMBM/2018;, Master thesis, 2018-03)
      The role of SMEs in promoting economic prosperity and solving employment has become increasingly evident. In the large-scale trade of industrial products, SMEs can also play their unique role and form a new impetus for ...

    • Study on Digitalization in Industry: Requirements and Assessment 

      MC, Keshab (Masteroppgave/UIS-TN-IMBM/2018;, Master thesis, 2018-06)
      Digitalization is a way of companies preparing for the future. Most large established enterprises embark on the digitalization process without a sense of direction. This research will provide a way forward for the ...

    • Study the behavior of prestressed concrete deep beams using FEM simulations 

      Steinsvik, Hans-Martin Ingebrigtsen (Master thesis, 2023)
      The objective of this master‘s thesis is to study and analyze the behavior of prestressed concrete deep beams and how prestressing changes the strut and tie model. The method used for analyzing the behavior is finite ...

    • Study to determine which turbulence models are best suitable for offshore enviroment in non-neutral conditions 

      Igbinomwanhia osasenaga (Master thesis, 2023)
      Wind turbines have been experiencing a rapid development over the years and there has been a shift from onshore to offshore which has been due to many reasons as will be discussed in the introduction. The lateral and ...

    • Subsea control system for all-electric Xmas trees 

      Berven, Jon (Masteroppgave/UIS-TN-IKM/2013;, Master thesis, 2013)
      When looking at a time line from the earliest days of offshore oil and gas production developments, present day development projects and field layouts have changed tremendously. Within the offshore oil and gas industry ...

    • Subsea FRP pipeline performance in external pressure: Failure and external pressure-induced buckling 

      Pavlou, Dimitrios (Peer reviewed; Journal article, 2021)
      The Subsea pipelines are subjected to high hoop stresses due to the hydrostatic pressure. When the internal pressure of the liquid has a higher value than the external hydrostatic one, there is a balance of the tensile and ...

    • Subsea gas transition hubs 

      Jakobsen, Pål Morten (Masteroppgave/UIS-TN-IKM/2014;, Master thesis, 2014-06-15)
      Gassco is the operator of two platforms with gas transport functions. These platforms are getting old and require large modifications to extend the lifetime and maintain their functions. Rapid development in subsea technology ...

    • Subsea in the Kara Sea 

      Kornishin, Konstantin (Masteroppgave/UIS-TN-IKM/2012;, Master thesis, 2012)
      In this master’s thesis the application of subsea technology in the Kara Sea were described. Using date for one perspective structure, several scenarios of field’s development were observed; the most important recovery ...

    • Subsea inspection and monitoring challenges 

      Frafjord, Ole Fredrik (Masteroppgave/UIS-TN-IKM/2015;, Master thesis, 2015-06-15)
      This paper uncovers and suggests solutions for the challenges to control change over time more reliable and cost effective. Front-end concept engineering, design, inspection and monitoring strategies, technologies, systems ...

    • Subsea Pipeline Design Features on the Russian Shelf Conditions 

      Timerbaev, Timur (Masteroppgave/UIS-TN-IMBM/2019;, Master thesis, 2019-06)
      Today in Russia, more than 75% of the explored onshore oil and gas fields are involved in the development, and their reserves have been produced at least by half. New discovered deposits are less and less, and their resources ...

    • Subsea standalone vehicle system for Snorre 

      Stangeland, Jan Fredrik (Masteroppgave/UIS-TN-IKM/2015;, Master thesis, 2015-06-15)
      The rig manager on Snorre B, a semisubmersible production and drilling rig for Statoil, has expressed the need for a subsea standalone vehicle that can perform specific tasks when the conventional remote operated vehicles ...

    • Subsea Template Lifting Operations in the Sea of Okhotsk 

      Chumikov, Mikhail (Masteroppgave/UIS-TN-IMBM/2018;, Master thesis, 2018-06-14)
      Sea of Okhotsk is characterized by harsh environmental conditions. The navigation period lasts approximately 5 months (June – October). Sea ice starts to form in November with 0.8-1.1 m thickness. Vessel icing is possible ...