Department of Physics and Technology
Nye registreringer
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A physics-based approach to wind turbine SCADA data analysis and power curve outlier explanation
(Master thesis, 2024-06-03)In a world where the energy demands only increase, new forms of renewable energy are critical. Amidst the need for new forms of energy, offshore wind energy is a growing industry with promising results. Although it is a ... -
Experimental Study on Flow Interruption by Cyclopentane Hydrates-in-Water
(Master thesis, 2024-06-03)This work investigates the flow behaviour and plugging potential of cyclopentane hydrates within a dynamic flow loop system, focusing on the effects of different hydrate volume fractions. The primary objective was to ... -
Developing a Modular Uncertainty Calculation Tool for Hydrogen Refueling Stations
(Master thesis, 2024-06-03)The rapidly expanding hydrogen industry has highlighted the need for reliable metrology to ensure accurate fiscal measurements throughout its supply chain. Despite advancements, significant measurement challenges have been ... -
The Open Porous Media Flow reservoir simulator for Undeground Hydrogen Storage: Validation and Scenario Analysis
(Master thesis, 2024-06-03) -
Theoretical Modeling of pH-Sensitive Spontaneous Decay of Carbon Dots in Solution
(Master thesis, 2024-05-03)Since many biological and chemical processes strongly depend on pH, its precise detection is essential for a wide range of applications. Due to their distinct luminescence characteristics, carbon quantum dots, or CDs, have ... -
Design and Integration of the Power System for the pCT project
(Master thesis, 2024-06-03)The ProtonCT project is a collaborative effort spearheaded by the University of Bergen. It aims to develop a novel CT machine that uses protons instead of photons. This will increase the accuracy of measuring the relative ... -
Biological optimization of proton therapy based on repeated PET imaging
(Master thesis, 2024-06-03)Background and aim: Proton therapy has the potential to deliver dose in a more precise way than traditional photon therapy, which allows for increased sparing of organs at risk (OAR). The aim of this thesis is to determine ... -
A Cylindrical Cavity Resonator System for Characterisation of Hydrogen Gas
(Master thesis, 2024-06-03) -
Optimisation of multi-rotor wind turbine configurations for maximum performance
(Master thesis, 2024-06-03) -
Assessment of turbulence measurement methods for ADCP integration
(Master thesis, 2024-06-03)Previous studies on methods for measuring turbulence in the ocean using an acoustic Doppler current profiler (ADCP) are characterized by applying the methods to data sets in the post-processing stage. This thesis explores ... -
Hydrodynamic Modeling of a Catenary-Moored Floating Offshore Wind Turbine using the Moving Frame Method.
(Master thesis, 2024-06-03)Floating offshore wind turbines are seen as vital to harnessing the greater power potential of higher wind speeds offshore, in deep water. Since offshore turbines are coupled with mooring lines, an advanced model of mooring ... -
Physical aspects of hydrogen storage in subsurface porous media : Flow mechanisms, hysteresis and storage efficiency
(Doctoral thesis, 2024-06-28)Hydrogen (H2) som energibærer er i dag et prioritert satsningsområde med en rekke prosjekter som lanseres over hele verden. En bred implementering av H2 i sektorer som transport, oppvarming og kraftproduksjon vil kreve ... -
The Ionospheric Current System and its Temporal Evolution during Rapid Solar Wind Dynamic Pressure Increases
(Doctoral thesis, 2024-03-04)Forskning er en jakt på kunnskap om det ukjente. I denne avhandlingen prøver vi å utvide vår kollektive forståelse av de komplekse samspillene innenfor det dynamiske magnetosfære-ionosfæresystemet. Man kunne fristes til å ... -
Stages in the dynamics of hydrate formation and consequences for design of experiments for hydrate formation in sediments
(Journal article; Peer reviewed, 2019)Natural gas hydrates in sediments can never reach thermodynamic equilibrium. Every section of any hydrate-filled reservoir is unique and resides in a stationary balance that depends on many factors. Fluxes of hydrocarbons ... -
Multi-Scale Analysis of Gas Hydrates Phase Transitions Focusing on Long-Term CO2 Sequestration
(Doctoral thesis, 2024-06-27)Hovedmålet med denne avhandlingen var å utvide vår forståelse av gass hydrat faseoverganger med særlig fokus på langvarig CO2-lagring i sedimenter under havbunnen. Hydrater er krystallinske stoffer som inneholder små ... -
Exploring Geospace Dynamics Through Ground Magnetic Perturbations during Substorms
(Doctoral thesis, 2024-06-18)Dynamikken på dagsiden av ionosfæren styres hovedsakelig av samspillet mellom det interplanetære magnetfeltet (IMF) og jordens magnetfelt på dagsiden av magnetopausen, mens dynamikken på nattsiden hovedsakelig drives av ... -
The Nature of High-Energy Tail Electron Precipitation
(Doctoral thesis, 2024-06-14)Denne avhandlingen er en del av en større forskningsinnsats ved Universitetet i Bergen som prøver å forstå "Hva er effektene av partikkelnedbør på atmosfæren?". Ett viktig steg mot et svar er å forbedre parametriseringen ... -
A spectrum-of-spectrum filtering method to extract direct and multipath arrivals from simulations and measurements
(Journal article; Peer reviewed, 2023)In measurements and numerical modelling of wave propagation, undesired interference between direct and multipath arrivals can be reduced using Fourier-based signal processing methods. Existing methods, such as cepstral ... -
Auroral Region Morphology and the Influence of Earth’s Rotation on Geospace Dynamics
(Doctoral thesis, 2024-06-07)Koblingen mellom solvinden, magnetosfæren, og ionosfæren er avgjørende for å forstå verdensrommet og dens påvirkning på Jorden. I de øvre lagene av atmosfæren ved polene, spesielt i området kjent som auroraregionen, møtes ... -
Performance of the joint LST-1 and MAGIC observations evaluated with Crab Nebula data
(Journal article; Peer reviewed, 2023)Aims. Large-Sized Telescope 1 (LST-1), the prototype for the Large-Sized Telescope at the upcoming Cherenkov Telescope Array Observatory, is concluding its commissioning phase at the Observatorio del Roque de los Muchachos ...