Now showing items 61-80 of 922

    • Multiphysics: Paving the Future of Engineering 

      Khawaja, Hassan Abbas (Conference object; Konferansebidrag, 2023-12)
      The landscape of engineering is undergoing a transformative evolution, and at its forefront is the paradigm of multiphysics—a revolutionary approach that integrates and simulates multiple physical phenomena within a single computational framework. This abstract explores the significance of multiphysics in shaping the future of engineering and its profound impact on innovation, efficiency, and ...
    • Investigating RANS Turbulence Models for Predicting Airflow Dispersion in Enclosed Environments: Numerical Simulation and Experimental Validation 

      Owolabi, Jibola Obafemi; Dhar, Sushmit; Muhammed, Manaf; Khawaja, Hassan Abbas; Aganovic, Amar; Virk, Muhammad Shakeel (Conference object; Konferansebidrag, 2023-12)
      The dispersion of respiratory aerosol particles in enclosed environments poses a significant challenge to understanding the transmission of airborne infectious diseases, mainly due to the influence of turbulence on the propagation of aerosol particles. Turbulence, with its complex and chaotic nature, is a prevailing phenomenon in a fluid flow. Four widely used Reynolds-Averaged Navier-Stokes (RANS) ...
    • Multiphysics Study of Thermal Properties of Neoprene and Natural Rubber for Wetsuit Applications 

      Busvold, Mads; Khawaja, Hassan Abbas (Conference object; Konferansebidrag, 2023-12)
      Surfers daring the harshest waves, including the frigid arctic waters of Norway, rely on wetsuits for extended cold-water sessions. Understanding the thermal behavior of wetsuit materials is crucial for enhancing surfers' comfort and safety. In this study, we investigate the thermal properties of neoprene and natural rubber, the primary materials used in wetsuit construction, with a focus on conductive ...
    • The International Conference of Multiphysics 2024 

      Khawaja, Hassan Abbas (Conference object; Konferansebidrag, 2023-12)
      The objective of The International Conference of Multiphysics is to share and explore findings on mathematical advances, numerical modelling and experimental validation of theoretical and practical systems in a wide range of applications. The scope of the conference is to address the latest advances in theoretical developments, numerical modelling and industrial application which will promote ...
    • The International Journal of Multiphysics (2023) 

      Khawaja, Hassan Abbas (Conference object; Konferansebidrag, 2023-12)
      The International Journal of Multiphysics publishes peer-reviewed original research articles, review papers and communications in the broadly defined field of Multiphysics. The emphasis of this journal is on the theoretical development, numerical modelling and experimental investigations that underpin Multiphysics studies. The scope of the journal is to address the latest advances in theoretical ...
    • Investigating Ice Nucleation and Heat Transfer Dynamics in Supercooled Liquid Water Using Thermography 

      Khawaja, Hassan Abbas; Keshavarzi, Samaneh; Muhammed, Manaf; Yousuf, Adeel; Virk, Muhammad Shakeel; Harvey, Derek; Momen, Gelareh (Conference object; Konferansebidrag, 2023-12)
      This study delves into the intricate interplay of thermography, ice nucleation, and heat transfer during the phase change from supercooled liquid water to crystallized ice. The phenomena of ice nucleation and its subsequent growth have paramount importance in various fields, including cold climate engineering, atmospheric science, cryopreservation, and refrigeration systems. Our research aims to ...
    • A CFD Study of Preventing Snow Accumulations on Roofs using Airflows 

      Sjøveian, Andreas; Andleeb, Zahra; Khawaja, Hassan Abbas; Moatamedi, Mojtaba (Conference object; Konferansebidrag, 2023-12)
      Today, there is an abundance of roof designs for buildings, each possessing distinct characteristics when subjected to snowy and cold conditions. Snow buildup on roofs poses various risks, including structural damage and personal injuries. Snow loads can lead to severe building damage or even collapse. The presence of intricate roof shapes and valleys exacerbates the potential harm caused by snow. ...
    • Current source Inverter for fuel cell Application 

      Hamad, Zainab (Master thesis; Mastergradsoppgave, 2023-08-14)
      In recent years, the scientific renaissance has turned towards alternative energy. Scientific research and dissertations of all degrees, doctoral, Master, and even bachelor's degrees include. Green energy and alternative solution to protect the environment from increasing pollution. Different inverters have been used to increase the potential for power resulting from devices that do not have the ...
    • Investigation of ballast water conditions using remote sensing. Suspended Particulate Matter Characterization in Emden Sea Port 

      Taña i Viñeta, Pau (Master thesis; Mastergradsoppgave, 2023-05-22)
      This thesis investigates the use of remote sensing techniques to study the conditions of ballast water in the northwestern port of Emden, Germany. Sentinel-2 data of the seaport has been collected and used in order to retrieve the suspended particulate matter (SPM), evaluating its distribution and checking for any time or spatial periodicity over the past 5 years. The aim of the study is to provide ...
    • Optimization of industrial power grid of Narvik 

      Khan, Md Nafis Ul Hoq (Master thesis; Mastergradsoppgave, 2023-05-22)
      The objective of this study is to review a comprehensive plan for optimization framework for the industrial power grid. Few factors considered such as power generation, transmission, distribution, energy storage solutions, cost development. The aim targets an overview of planning and optimization for a hydrogen production plant in Narvik region. It will improve the overall efficiency, stability, ...
    • Energy Conversion and Control of Hydrogen Fuel Cell Based Electric Transport 

      Subedi, Jhalak Nath (Master thesis; Mastergradsoppgave, 2023-05-22)
      The research investigates the effective utilization of hydrogen fuel cells in electric transport applications, addressing the challenges associated with power generation, energy storage, and control. By implementing the MPPT Perturb and Observe (P&O) technique, the thesis aims to optimize the power output of the fuel cell system, ensuring maximum efficiency and performance. To enhance the overall ...
    • A Study of Dynamic Wind Effects on High-Rise Building with Tube-in Tube System in Norway 

      Pham, Son Hoang; Abujayyab, Abdelrahman Bassam (Master thesis; Mastergradsoppgave, 2023-05-15)
      According to a new high-rise strategy, Norway is expected to have more tall buildings. However, due to a lack of knowledge and experience in high-rise technology, the country has not built many such structures yet. To address this issue, a study was conducted to analyze the response of a high-rise building to dynamic wind load, considering the low seismic activity in the region. The study is divided ...
    • Solar angle optimizer 

      Haque, Md Emranul (Master thesis; Mastergradsoppgave, 2023-05-22)
      The demand for renewable energy sources has increased significantly in recent years due to the growing concerns about climate change and environmental sustainability. Solar energy has emerged as one of the most promising and widely used renewable energy sources. However, the efficiency and output of solar energy systems depend on various factors, including the position of the sun, the angle ...
    • Investigation of wireless electrification for a reconfigurable manufacturing cell 

      Al-Sallami, Hussein Mahdi Yaseen; Arnarson, Halldor; Solvang, Bjørn; Bremdal, Bernt Arild (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-02-24)
      Reconfigurable manufacturing systems (RMS) with a rearrangeable structure can quickly adjust their productivity to meet the dynamic market changes and the demand for high-variety products. Industry 4.0 technologies have enhanced the RMS flexibility and made the automation of the reconfiguration of the manufacturing system possible. As an Industry 4.0 technology, wireless power transfer (WPT) can ...
    • Analysis of parameters influencing pathogen concentration in a room with displacement ventilation using computational fluid dynamics and Taguchi methods 

      Yuce, Bahadir Erman; Aganovic, Amar; Nielsen, Peter Vilhelm; Wargocki, Pawel (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-10-30)
      Analyzing multiple physical factors simultaneously to determine optimal ventilation solutions can be challenging. Furthermore, this type of analysis needs a large case number to be investigated, making the problem’s solution unfeasible. This study tackled these challenges by integrating Computational Fluid Dynamics (CFD) with the Taguchi method to overcome these issues. Our previous research ...
    • Designing and Implementation of grid-connected separately excited DC Machine 

      Haruna, Muhammad (Master thesis; Mastergradsoppgave, 2023-05-22)
      This thesis presents the design and implementation of SEDC machine which was located at machine laboratory in UiT Narvik campus. To improve the efficiency and to have automatic control, the old passive control needs to be replaced with DC-DC converters based active control method. This thesis explores various DC-DC and grid connected converter with the goal to find a suitable and most efficient for ...
    • Current source inverter 

      Mohammadi, Abdul Qudoos (Master thesis; Mastergradsoppgave, 2023-05-22)
      ABSTRACT The growth of the world’s population leads to increased energy needs. The use of fossil energy leads to challenges. The main reason for this is that the use of fossil fuels has a negative impact on global climate change, and the world is heading towards running out of fossil fuels in a few years. Renewable energy sources like photovoltaic and wind power plants are good solutions for those ...
    • Prestasjonsoppfølging av elektriske brytere via datahøsting og analyse av plattformdata 

      Solrød, Andreas (Master thesis; Mastergradsoppgave, 2023-05-21)
      This thesis is a study of data material extracted from log files belonging to the oil and gas installation Norne. The data is put into a system, analyzed, and assessed how it can be used to drive performance monitoring of electrical switches. The thesis presents theory related to the task about ignition source, tag, maintenance and time determinations, the systems SAS and SMS on which the logs are ...
    • Seasonal storage of energy at UiT the arctic university of Norway in Narvik 

      Alfnes, Dennis (Master thesis; Mastergradsoppgave, 2023-05-22)
      The thesis examines which energy production methods are suitable together with seasonal storage of energy at UiT the arctic university of Norway in Narvik. Nordkraft has provided the subject which has been examined. The location of UiT Narvik together with its areas and storage volumes have been examined for what power production methods and energy storage methods are suitable for this location. ...
    • Integrating sensors for robots operating on offshore oil and gas platforms 

      Tolue, Shabnam (Master thesis; Mastergradsoppgave, 2023-05-21)
      This thesis presents a solution to integrate sensors and instruments on a robot to be used instead of operators on unmanned oil and gas offshore platforms. Operators have various tasks from inspection to maintenance in the platforms. Because of high costs of having operators in offshore platforms, there has been always an ambitious to design a fully unmanned automated platform to decrease the costs ...