Institutt for maskinteknikk og produksjon
Recent Submissions
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Small and Full-Scale Fatigue Testing of Lead Cable Sheathing
(Journal article, 2019)The fatigue behavior of a PbSnSb alloy used in subsea power cable sheathing was studied using small- and full-scale experiments. The aim of the work was to understand the transferability between the scales and suitable ... -
Implications from major accident causation theories to activity-related risk analysis
(Journal article, 2018)Operational Planning Decisions, which are characterized by short planning time and high frequency in the operational phase, has received little attention in risk and safety research in oil and gas industry. Activity ... -
Clarifying the concept of operational risk assessment in the oil and gas industry
(Journal article, 2018)There is an increasing interest in risk and safety research to reflect risk fluctuations in operational phase to avoid major accidents from happening. A structured review that covers operational risk assessment, dynamic ... -
On the External Effects Affecting Torsional Modes in Guide Vanes
(Journal article; Peer reviewed, 2019)Rotor stator interaction in high-head Francis turbines has led to several failures in recent years. Increasing efficiency demands require design optimization of the turbine components, which may lead to thinner profiles. ... -
IPD governance implications
(Chapter, 2019)Interest in project-management (PM) governance has grown steadily over the past decade. Turner (2006) introduced, over a decade ago, the role of governance (based on a definition of corporate governance) in the development ... -
Room temperature creep mechanism of a Pb-Sn-Sb lead alloy
(Journal article; Peer reviewed, 2019)Lead alloys are the most common materials adopted for the production of subsea power cable sheathing. The sheathing is a layer of stable and watertight metal, which serves to prevent the electrical failure of the cable. ... -
Achieving Balanced Workload Distribution Amongst Cross-Trained Teams
(Journal article; Peer reviewed, 2018)This research is focused on improving the flow of items through the cross-trained teams of a leather furniture manufacturing company, which manufactures a high mix of products. Presently, a Push control strategy is applied ... -
Using the Hybrid Metal Extrusion & Bonding (HYB) Process for Butt Welding of 4 mm Plates of AA6082-T6
(Journal article; Peer reviewed, 2018)Hybrid Metal Extrusion & Bonding is a new solid state joining technique developed for aluminium alloys. By the use of filler material addition and plastic deformation sound joints can be produced at operational temperatures ... -
Development of a Low-Cost Autonomous Underwater Vehicle (AUV) for Inspection of Water-Filled Tunnels During Operation
(Master thesis, 2018)During the past century, over 3500 km of blasted mountain tunnels have been commissioned for water transportation in Norway. Today, these tunnels are not easily inspected for internal collapses or debris without needing ... -
Development of an Electric Propulsion System for Commercial Marine Vessels - Using Lean Product Development and Set-Based Concurrent Engineering Principles
(Master thesis, 2018)Operational costs and environmental concerns have led to an increased demand for energy-efficient and low-emission marine vessels. The development of an electric propulsion system is a response to this demand. A highly ... -
Managing Supply Uncertainty in the Operational Production Planning in a Whitefish Value Chain - A Stochastic Programming Approach
(Master thesis, 2018)The fishing industry is a significant contributor to Norwegian exports. However, the whitefish industry is experiencing a declining profitability. This research contributes in two ongoing projects, Qualifish and iProcess, ... -
Digitalization of Subsea Maintenance - Application of Industry 4.0 in Prognostics of Technical Condition and Residual Life
(Master thesis, 2018)The objective for the thesis is to contribute to enhanced production safety and availability of Equinor's subsea equipment. Through introducing methods, providing new technologies and concepts, the study highlights challenges ... -
Optimization of Aluminium Battery Housing for Electric Vehicles
(Master thesis, 2018)The automotive industry is currently moving from conventional cars to low- and zero-emission vehicles. In this context, the electric vehicle (EV) has become popular with both customers and car manufacturers where an ... -
Next Generation Earplugs - A Deep Insert Solution
(Master thesis, 2018)Noise-induced hearing loss can in most cases be prevented with conscious use of hearing protection devices. Even though there seems to be much more attention directed towards attenuation levels of these devices, there are ... -
Implementation of Predictive Maintenance
(Master thesis, 2018)Investigate how Industry 4.0 and maintenance are related and describe how Maintenance 4.0 and Predictive maintenance are relevant. Compare the companies Equinor and Hydro in the way of developing solutions for Predictive ... -
Automatisk sortering av malt listverk
(Master thesis, 2015)På grunn av en flaskehals i sorteringen kjøres det i dag på begrenset hastighet ved Bergene Holm AS sitt nye malingsanlegg i Larvik. Operatøren som sorterer har ikke kapasitet til å holde følge med optimalt tempo på linjen ... -
Hydrogen Induced Stress Cracking Resistance of Nickel Alloy ATI 830
(Master thesis, 2018)The following activities shall be included in the project: ATI 830 1. Document microstructure and mechanical properties for the received alloy. 2. Execute the test program given in Attachment 1. 3. Execute a literature ... -
Brake Caliper Design for a Formula Student Race Car - On Behalf of Revolve NTNU
(Master thesis, 2018)With the large amount of dynamic loads and heat the brake system of a Formula Student race car experiences, the system requires resistance to both heat and external loads in several of its components. The brake caliper, ... -
Next Generation Design of Satellite Brackets - By Using Topology Optimization and Additive Manufacturing
(Master thesis, 2018)This thesis has explored how topology optimization and additive manufacturing can be used to improve the resonance performance of existing mechanical components. By using a sensitivity-based optimization algorithm for ... -
Condition based and predictive maintenance for Tapping vehicle used in the Norsk Hydro aluminium plant Sunndalsøra, Norway
(Master thesis, 2018)This thesis consists a theoretical background in general about different types of maintenance, predictive maintenance, approaches from industry 4.0, maintenance excellence, technical conditions and remaining useful lifetime ...
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