Institutt for industriell teknologi: Nye registreringer
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Production and Logistics Systems Improvements - Biim Ultrasound AS
(Master thesis; Mastergradsoppgave, 2019-06-28)A crucial aspect of the supply chain network design process is deciding on optimal locations to situate new facilities. Facility location decisions rely on many factors, some of which might be conflicting with each other. The decision factors can be either quantitative or qualitative, thus a brute-force prioritization of one over another could be detrimental overall. To ensure the efficacy of the ... -
Digital twin simulation with Visual Components
(Master thesis; Mastergradsoppgave, 2019-06-28)A digital twin is a new and emerging tool of the fourth industrial revolution. It is an extensive part of connecting the manufacturing equipment together to develop a smart factory. Investigation of simulating manufacturing system to bind the digital world with the physical, allows for analysis of data and monitoring of systems to head off problems before they even occur, preventing downtime, develop ... -
Thin Wall Structure by Welding
(Master thesis; Mastergradsoppgave, 2019-06-28)Manufacturing of thin wall structure by wire arc additive manufacturing (WAAM) is on the main application of additive manufacturing. 3D-printing technology has significant advantages over traditional milling and machining techniques or welded analogs. Thin wall structure constitutes an essential and growing proportion of engineering construction, within common areas as in structural aerospace and ... -
Arctic Agriculture by Using Fish Farming Waste in Northern Norway
(Master thesis; Mastergradsoppgave, 2019-06-28)With the growing aquaculture, improved management of the environmental, logistic-managerial, social, and economic aspect are vital to preserving sustainability in the industry. The dissertation addresses the potential processing of the fish waste in aquaponics (a combination of two highly effective production technologies: hydroponics and recirculating aquaculture). Involving a suggestion for ... -
Design and construction of a flexible manufacturing system test bench
(Master thesis; Mastergradsoppgave, 2019-06-28)This thesis explores the history, concept and criteria of flexible manufacturing systems. A small-scale test bench is designed and constructed for educational and demonstrational pur- poses. The test bench in comprised of an industrial robot, a CNC machine, and a conveyor. These are all controlled and automated from a PLC with a connected touch panel for human machine interface. It describes in ... -
Product Quality Assurance using Engineering Strategies for an SME with an ATO Manufacturing System Located in the Arctic Region depending on a Global Supply Chain
(Master thesis; Mastergradsoppgave, 2019-06-28)A small and medium sized enterprise (SME) with an assembly to order manufacturing system (ATO-MS) depending on a global supply chain has especially challenges when it comes to secure the quality. The parts procured from a global supply chain represent a big amount of value invested in to the short line of the MS. Depending on the definition of quality from the suppliers, how can the company react ... -
Wind energy at remote islands in arctic region—A case study of Solovetsky islands
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-10-07)This paper describes a case study of wind resource assessment and wind park design at the Solovetsky Islands, which are located in the Arctic region of northern Russia. The Solovetsky historical and cultural complex has been included in the list of UNESCO's World Heritage Sites. 18 years of data of wind climatology from the NASA Langley Research Center are used for wind resource assessment at the ... -
Reverse Logistics Network Design for Effective Management of Medical Waste in Epidemic Outbreaks: Insights from the Coronavirus Disease 2019 (COVID-19) Outbreak in Wuhan (China)
(Journal article; Tidsskriftartikkel; Peer reviewed, 2020-03-09)The outbreak of an epidemic disease may pose significant treats to human beings and may further lead to a global crisis. In order to control the spread of an epidemic, the effective management of rapidly increased medical waste through establishing a temporary reverse logistics system is of vital importance. However, no research has been conducted with the focus on the design of an epidemic reverse ... -
Experimental study of ice accretion on S826 & S832 wind turbine blade profiles
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-10-16)To optimize the aerodynamic performance and reduce production losses of wind turbine operating in icing conditions, it is necessary to better understand the ice accretion physics along wind turbine blade. This paper describes a case study of ice accretion physics and its effects on aerodynamic performance of S826 and S832 airfoils for dry and wet ice conditions. Both these airfoils have different ... -
An investigation into empirical ice density formulations for dry ice growth on cylinders
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-10-17)This paper describes an investigation into the empirical accreted icing density formulations, namely the numerical fits by (Makkonen and Stallabrass, 1984) and (Jones, 1990). Typically, the icing severity is estimated by the masses of the accreted ice, however, for this study the focus is primarily on the accreted ice densities and thicknesses for the main purpose of estimating the ice loads, in ... -
Study of ice accretion and icing effects on aerodynamic characteristics of DU96 wind turbine blade profile
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-01-26)In order to optimize the large wind turbines operation in ice prone cold regions, it is important to better understand the ice accretion physics and its effects on aerodynamic performance and power production losses. This paper describes a case study of ice accretion on DU96-W-180 airfoil, which has been used for large wind turbine blades such as NREL 5 MW. Analysis has been carried out for glaze ... -
Architecture for Safe Human-Robot Collaboration: Multi-Modal Communication in Virtual Reality for Efficient Task Execution
(Peer reviewed; Chapter; Bokkapittel, 2019-08-01)Task-sharing and Human-Robot Collaboration has gained increased attention with the widespread commissioning and usage of collaborative robots. However, recent studies show that the fenceless collaborative robots are not as harmless as they look like. In order to study Human-Robot Interaction scenarios, in a safe manner, we propose to execute the scenario in Virtual Reality simulation and afterwards ... -
Review of energy demands and wind resource assessment of the Solovetsky Archipelago
(Journal article; Tidsskriftartikkel, 2019-07)This paper aims to analyse the current situation of the energy system of the remote island territory of Solovetsky Archipelago. The Solovetsky historical and cultural complex was included in the list of UNESCO World Heritage Sites. Diesel fuel, which is used on the archipelago is expensive and pollutes the environment. By using Computational Fluid Dynamics (CFD) based numerical method, this study ... -
Non-parametric Linear Technique for Measuring the Efficiency of Winter Road Maintenance in the Arctic Area
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-10-05)Improving the performance of Winter Road Maintenance (WRM) can increase the traffic safety and reduce the cost as well as environmental impacts. This study evaluates the efficiency of WRM technique, named salting, in the Arctic area by using Data Envelopment Analysis (DEA), which is a non-parametric linear method to measure the efficiencies of decision-making units (DMUs) based on handling multiple ... -
Droplet distribution spectrum effects on dry ice growth on cylinders
(Journal article; Peer reviewed, 2019-01-06)A detailed parametric analytical study along with a series of viscid multiphase numerical simulations of ice accretion were performed in comparison with experimental data of ice accretion on a 30 mm diameter cylinder. The study was performed for droplet distribution spectra, Langmuir (A-J), in addition to an experimental droplet distribution obtained in an icing tunnel.<br>Analysis shows that droplet ... -
Digitalized manufacturing logistics in engineer-to-order operations
(Chapter; Bokkapittel, 2019)The high complexity in Engineer-To-Order (ETO) operations causes major challenges for manufacturing logistics, especially in complex ETO, i.e. one-of-a-kind production. Increased digitalization of manufacturing logistics processes and activities can facilitate more efficient coordination of the material and information flows for manufacturing operations in general. However, it is not clear how to ... -
An Improved Mathematical Model for Green Lock Scheduling Problem of the Three Gorges Dam
(Journal article; Peer reviewed, 2019-05-08)In recent years, the environmental pollutions at the Three Gorges Dam have become an increasingly concerning issue of the Chinese government. One of the most significant environmental problems is the carbon emissions from the lockage operations at the two ship locks of the Three Gorges Dam. Currently, due to the large amount of vessels passing through the dam, there is always a long queue of vessels ... -
A multi-objective mathematical programming for sustainable reverse logistics network design. Part II: Model application and analysis
(Peer reviewed; Chapter; Bokkapittel, 2016-02)Reverse logistics has received more and more attention during the past decade due to the increasing public awareness of sustainable development. Because of the fluctuation in both quantity and quality of the reverse material flow, design and planning of reverse logistics network is much more complicated compared with the forward ones. Therefore, it is important to develop decision support tools for ... -
A value chain analysis for bioenergy production from biomass and biodegradable waste: a case study in Northern Norway
(Peer reviewed; Chapter, 2018-09-12)During the past decades, the concerns of the depletion of fossil fuels and global warming caused by excess GHG emissions have become the most important driving force for the development and utilization of renewable energy resources. The successful experiences from the EU-28 have proved that bioenergy production from biomass and biodegradable waste is the most reliable and promising solution in ... -
Overview of modern teaching equipment that supports distant learning
(Journal article; Peer reviewed, 2018)Laboratory is a key element of engineering and applied sciences educational systems. With the development of Internet and connecting IT technologies, the appearance of remote laboratories was inevitable. Virtual laboratories are also available; they place the experiment in a simulated environment. However, this writing focuses on remote experiments not virtual ones. From the students’ point ...