Recent additions

  • Soil Moisture Variations in Frozen Ground Subjected to Hydronic Heating 

    Sveen, Svein Erik; Nguyen, Hung Thanh; Sørensen, Bjørn Reidar (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-09-10)
    Full-scale thawing experiments, performed on three types of homogenous, initially frozen soils, were carried out during late winter 2011 and repeated in 2012. An auxiliary heat source (hydronic heating) was employed to initiate and expedite the thawing process. The corresponding phase change, soil temperature increase, and variations in bound and unbound water content were monitored during the ...
  • Modified demagnetisation control strategy for low-voltage ride-through enhancement in DFIG-based wind systems 

    Senapati, Manoj Kumar; Nayak, Paresh Kumar; Padmanaban, Sanjeevikumar; Gjengedal, Terje (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-02-16)
    The large-scale wind energy conversion systems (WECSs) based on doubly-fed induction generators (DFIGs) are very popular in recent years due to the numerous technical and economic benefits. With the increasing penetration level of wind energy, the latest grid codes require the DFIG-based WECSs to remain connected to the grid under grid fault scenarios and deliver the required reactive power into ...
  • Circular economy: Challenges and opportunities in the construction sector of Kazakhstan 

    Torgautov, Beibut; Zhanabayev, Asset; Tleuken, Aidana; Turkyilmaz, Ali; Mustafa, Mohammad; Karaca, Ferhat (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-10-24)
    The circular economy in the construction sector in emerging economies is one of the most promising concepts that aims to keep the value of the construction materials and structures as long as possible. The construction industry is rapidly developing in Kazakhstan with a yearly increase in projects. This research paper investigates the construction sector in Kazakhstan in terms of the potential ...
  • Smart Monitoring of Manufacturing Systems for Automated Decision-Making: A Multi-Method Framework 

    Pourhejazy, Pourya (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-10-15)
    Smart monitoring plays a principal role in the intelligent automation of manufacturing systems. Advanced data collection technologies, like sensors, have been widely used to facilitate real-time data collection. Computationally efficient analysis of the operating systems, however, remains relatively underdeveloped and requires more attention. Inspired by the capabilities of signal analysis and ...
  • The Application of Industry 4.0 Technologies in Sustainable Logistics: A Systematic Literature Review (2012-2020) to Explore Future Research Opportunities 

    Sun, Xu; Yu, Hao; Solvang, Wei Deng; Wang, Yi; Wang, Kesheng (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-12-10)
    Nowadays, the market competition becomes increasingly fierce due to diversified customer needs, stringent environmental requirements, and global competitors. One of the most important factors for companies to not only survive but also thrive in today’s competitive market is their logistics performance. This paper aims, through a systematic literature analysis of 115 papers from 2012 to 2020, at ...
  • Overview study on challenges of additive manufacturing for a healthcare application 

    Wakjira, Yosef Adugna; Lemu, Hirpa G.; Akessa, Adugna Deressa (Journal article; Tidsskriftartikkel; Peer reviewed, 2021)
    Additive manufacturing is a rapidly evolving manufacturing technology bringing numerous and wide opportunities for the design team involved in the process by creating intricate and customized products with saving labor, time, and other expenses. Innovative AM methods and numerous practical applications in aerospace, automotive, medical, energy, and other industries have been developed and commercialized ...
  • Prefabrikkert eller plassbygd? Sammenligning av byggemetode for leilighetskomplekser av tre 

    Pedersen, Jonas (Master thesis; Mastergradsoppgave, 2021-05-18)
    I den norske byggebransjen i dag er det lite samsvar mellom tilbud og etterspørsel av boliger, og det er dermed behov for økt effektivisering av byggebransjen. Prefabrikasjon som byggemetode har potensiale til å bidra til å øke effektiviteten i bygg- og anleggsnæringen, sett opp mot tradisjonell plassbygd metode. Denne artikkelen har dermed gjennomført en sammenligning av de positive og negative ...
  • Estimating the impact of indoor relative humidity on SARS-CoV-2 airborne transmission risk using a new modification of the Wells-Riley model 

    Aganovic, Amar; Bi, Yang; Cao, Guangyu; Drangsholt, Finn; Kurnitski, Jarek; Wargocki, Pawel (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-08-23)
    A novel modified version of the Wells-Riley model was used to estimate the impact of relative humidity (RH) on the removal of respiratory droplets containing the SARS-CoV-2 virus by deposition through gravitational settling and its inactivation by biological decay; the effect of RH on susceptibility to SARS-CoV-2 was not considered. These effects were compared with the removal achieved by increased ...
  • Simulering Kapillær vann oppsuging hastighet i betong pore strukturer. Kapillær suging hastighet 

    Liu, Jing (Master thesis; Mastergradsoppgave, 2021-06-22)
    Vann transport in betong er en interessert og relevant tema i betong teknologi. Betong mekaniske egenskaper (Fasthet og strekkfasthet), samt holdbarhet er avhengig med vann/klorid innholdet. Derfor, det er helt nødvendig å studere vann transport i betong. Kvadrat-rot modell er en velkjent modell for å forutsi vann strømning hastighet i betong porestrukturen. Denne modell er en enklest modell. ...
  • Fast changeovers using AIV and a tool platform 

    Omosanya, Hafeez Abolade Olav (Master thesis; Mastergradsoppgave, 2021-05-18)
    Fast changeover is changing from one process or machine to another line, process, or machine to produce different products or services. Lean aims at reducing waste, improving productivity, and eliminating non-value-added activities to the customer. Whilst achieving sustained continual improvement in certain activities and process of an organization. This project focuses on implementing the methodologies ...
  • Cyber-security of Cyber-Physical Systems (CPS) 

    Safarpour Kanafi, Faraz (Master thesis; Mastergradsoppgave, 2021-05-18)
    This master's thesis reports on security of a Cyber-Physical System (CPS) in the department of industrial engineering at UiT campus Narvik. The CPS targets connecting distinctive robots in the laboratory in the department of industrial engineering. The ultimate objective of the department is to propose such a system for the industry. The thesis focuses on the network architecture of the CPS and ...
  • Evaluation of the impact of recycled concrete aggregates on the durability of concrete 

    Top, Liessa (Master thesis; Mastergradsoppgave, 2021-05-26)
    The building industry has one of the most significant contributions to global warming due to the production of building materials, transportation, building activities and demolition of structures. When the buildings and structures reach the end of their life-span, they are commonly demolished, and debrice is landfield or backfilled if it is evaluated as non-contaminated inert construction and ...
  • Optimal Volt Var control in Smart Distribution Networks 

    Shamraiz, Shamraiz (Master thesis; Mastergradsoppgave, 2021-05-24)
    Both the generation and transmission power networks are facing new threats and opportunities as the number of distributed energy resources (DERs) grows. Because of the high solar PV penetration, voltage rise and voltage volatility are becoming major problems in the distribution network. Voltage regulating devices (VRDs), such as on load tap changers (OLTCs), phase voltage regulators (SVRs), and ...
  • Building Information Modelling : Indoor Localization 

    Khadka, Jeewan (Master thesis; Mastergradsoppgave, 2021-05-19)
    This thesis presents an integrated system where BIM software is used together with IoT devices to visualize data generated in real-time. Two different IoT devices are modelled as case study that collect environmental and localization data. These devices were installed inside a Test room of an area approx. 22 m2 in UiT Narvik premises . The collected data were, filtered & transferred to database ...
  • Guidelines for increasing application of 3D Metal Printing- a case study at Equinor ASA 

    Naulakha, Niranjan Kumar (Master thesis; Mastergradsoppgave, 2021-05-19)
    The world is evolving towards automation at a rapid rate. With this, there are lot of gaps that need to be filled as we switch from conventional methodology of doing things to the adaptation of newer automated technology. One of those many news aspects is Additive Manufacturing, also known as 3D printing. 3D Printing has changed significantly over the years, from it being used for making prototypes ...
  • Designing an Autonomous Racing Drone 

    Trældal, Alexander (Master thesis; Mastergradsoppgave, 2021-05-19)
    In recent years drone racing using human pilots have increased in popularity. This combined with the increased usage of autonomous driving vehicles have sparked a new field of interest which is Autonomous Racing Drones competitions. This thesis explores the field of drone design and avionics with the conclusion of presenting the first Racing Drone prototype that can be used in future work made by ...
  • Continuous Autonomous UAV Inspection for FPSO vessels 

    Andreev, Alexey G. (Master thesis; Mastergradsoppgave, 2021-06-23)
    This Master's thesis represents the preliminary design study and proposes the unmanned aerial vehicle (UAV) -based inspection framework, comprising several multirotors with automatic charging and deployment for 24/7 integrity inspection tasks. This project has three main topics. First one describes the operational environment and existing regulations that cover use of UAVs. It forms the basis ...
  • Brannprosjektering av automatiske parkeringsanlegg 

    Ajaypal, Powar; Omtveit, Talleiv (Master thesis; Mastergradsoppgave, 2021-05-18)
    Automatiske parkeringsanlegg er en innovativ parkeringsløsning som løser plassutfordringene som følge av befolkningsvekst, sentralisering og fortetning, men medfører samtidig nye utfordringer med hensyn til brannsikkerheten. Der en parkeringsplass tidligere var forbeholdt én bil, kan det i denne typen parkeringsanlegg være stablet flere biler i høyden. For rednings- og slokkemannskaper medfører disse ...
  • Vision-based Robotic Grasping in Simulation using Deep Reinforcement Learning 

    Danielsen, Jostein René (Master thesis; Mastergradsoppgave, 2021-05-18)
    This thesis will investigate different robotic manipulation and grasping approaches. It will present an overview of robotic simulation environments, and offer an evaluation of PyBullet, CoppeliaSim, and Gazebo, comparing various features. The thesis further presents a background for current approaches to robotic manipulation and grasping by describing how the robotic movement and grasping can be ...
  • Feasibility Study of Hydrogen Production from Wind Energy in Narvik 

    Odongo, Christopher (Master thesis; Mastergradsoppgave, 2021-05-18)
    The use of renewable energy sources is gaining momentum globally as possible replacements for fossil fuels which have proven to be serial contributors to global warming. Hydrogen is one such environmentally friendly fuel with zero carbon emission proven to be reliable for use in the transport sector. Since hydrogen is an energy carrier, its mode of production has for a long time relied on high carbon ...

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