Browsing Master theses by Title
Now showing items 1-20 of 124
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A Comparative Analysis of Ground Source and Air Source Heat Pumps for Heating of an Office Building in Bergen
(Master thesis, 2023-06-01) -
A Comparative Study of Different Hydrogen Delivery and Storage Systems for Industrial Applications
(Master thesis, 2024-06-03)Reducing greenhouse gas emissions is crucial to addressing global warming. In response, emission-intensive industries with significant emissions prioritize efforts to cut their greenhouse gas emissions and adapt to a ... -
A comparative study of Doubly Fed Asynchronous and Synchronous Generators in a wind energy perspective
(Master thesis, 2019-06-15)Dette masterstudiet fokuserer på analyse av vindkraft-generatorer. Det er et sammenligningsstudie av den dobbel-matede asynkrongeneratoren og synkrongeneratorer, hvor effektivitet, driftsforhold og økonomiske perspektiv ... -
A Matheuristic Algorithm for an Offshore Multi-period Location Routing Problem
(Master thesis, 2024-06-28)With the recent increase in energy production generated by offshore wind farms, regular maintenance is important for wind farm owners to ensure that they remain operational. Currently, maintenance tasks are performed by ... -
A NAWDEX case study: Water vapor transport in atmospheric rivers and quantifying hand over of moisture between extratropical cyclones
(Master thesis, 2020-10-31)Meridional water vapor transport occurs predominantly within the warm sector of extratropical cyclones. The warm sector is seperated by the cyclone's warm front ahead, and the cold front behind. In this region the warm ... -
A Pore-Scale Study on Cyclic Flows in Porous Underground Hydrogen Storage
(Master thesis, 2022-06-01)A solution for energy storage is needed to balance supply and demand in future energy markets with an increased share of fluctuating renewable wind and solar energy. A key enabler is large-scale, seasonal energy storage, ... -
A Short-Term Optimization Model for Routing and Scheduling of Maintenance on Offshore Wind Farms
(Master thesis, 2024-06-03)Drift og vedlikehold bidrar til en stor del av den totale kostnaden på havvindparker. Derfor er det et mål å minimere disse kostnadene, samt maksimere produksjonen på vindparken. I denne masteroppgaven blir det presentert ... -
A Study of Wind-Wave Interactions using Offshore High-Frequency Wind and Wave Measurements
(Master thesis, 2022-06-01) -
Aerodynamic simulations of offshore wind turbines by using a potential flow approach
(Master thesis, 2024-06-03)This thesis explores the aerodynamic performance of floating offshore wind turbines (FOWTs) using a potential flow approach. The primary objective is to understand how the output power of an FOWT is affected by imposing different ... -
Air-Sea Interactions during Cold Air Outbreaks in a coupled Mixed Layer Model
(Master thesis, 2019-06-19)Cold air outbreaks play a crucial role in the air-sea heat exchange in high latitudes. To explore the sensitivity to ocean coupling, the role of latent heating and the sensitivity to sea ice distributions in cold air ... -
Airborne Field Measurements and Model Simulations of Boundary Layer Properties over the Iceland Sea
(Master thesis, 2019-06-28)The spatial and temporal distributions of a cold air outbreak (CAO) event over the Iceland- and southern Greenland Seas have been investigated during the IcelandGreenland Seas project (IGP) in February and March 2018. This ... -
An Experimental and Numerical Study of the Performance of Carbon Black Nanofluids in a Direct Absorption Solar Collector
(Master thesis, 2023-06-01) -
An Optimization Model for Short-Term Routing and Scheduling of Offshore Wind Maintenance
(Master thesis, 2023-06-01)Maintenance costs constitute a significant portion of the total costs for offshore wind investments. Consequently, a substantial amount of research aims to mitigate these costs. Studies targeting short-term decision-making ... -
Analyse av klimaendringane si påverking på produksjonen frå uregulerte småkraftverk i Noreg
(Master thesis, 2020-06-30)I denne oppgåva har eg undersøkt klimaendringane si påverking på produksjonen ved åtte uregulerte småkraftvek i Noreg. Problemstillinga er «Korleis vil klimaendringane påverke straumproduksjonen ved uregulerte småkraftverk ... -
Anthropogenic Carbon in the Nordic seas and Arctic Ocean, 1994 to 2007
(Master thesis, 2019-06-28)The increase of anthropogenic CO2 between 1994 and 2007 is quantified in the Nordic seas and Arctic Ocean with the extended multiple linear regression method (eMLR(C*)). To be able to map the increase in anthropogenic CO2 ... -
Artificial gas supersaturated water from small hydropower plants: methods to detect air entrainment at intakes
(Master thesis, 2022-06-01)Hydropower plants with submerged intake and Francis turbine can release artificial Total Dissolved Gas (TDG) supersaturated water from the plants outlet, if air is drawn into the pressure pipe at intake and dissolved in ... -
Atlantic Multidecadal Variability (AMV) in the Norwegian Earth System model
(Master thesis, 2020-06-26)The causes of low-frequency sea surface temperature (SST) variations in the Atlantic, known as Atlantic Multidecadal Variability (AMV), are debated. AMV has climatic impacts on for instance hurricane activity and Sahel ... -
Bidirectional DC-DC Converter For Charging Batteries of Electric Vehicles
(Master thesis, 2021-06-01)The popularity of electric vehicles has seen significant growth in the latest years. More electric vehicles are connected to the grid, and the load is increased consequently. The electric vehicle battery can be employed ... -
Bidirectional DC-DC Converter for Supercapacitor as DC-bus Stabilization Element
(Master thesis, 2021-06-01)The demand for renewable energy from wind and solar is increasing. These energy sources are intermittent and unpredictable to a degree and require a stable but fast responding DCgrid. This is achieved by extending the ... -
Bidirectional Dual Active Bridge Converter for Energy Storage Applications
(Master thesis, 2022-08-08)Etterspørselen av energi gjennom vindturbiner og solcelleanlegg har økt i de siste tiårene. En stor ulempe ved disse fornybare energiressursene er deres fluktuerende natur, siden de ikke kan produsere kraft på forespørsel. ...