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norskMastergradsoppgaver i teknologi - energi, klima og miljø
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Bruk av solceller i rehabilitering av gjenreisningsboliger i Nord-Norge – et klimaperspektiv
(Master thesis; Mastergradsoppgave, 2024-05-31)Denne masteroppgaven utforsker potensialet for solceller i rehabilitering av gjenreisningsboliger i Nord-Norge gjennom en detaljert livssyklusanalyse (LCA) for å evaluere miljøpåvirkningen av solskifertak sammenlignet med tradisjonelle skifertak. Ved hjelp av modellering i PVsyst v6.88, ble energiproduksjonen for et system på 11m2 med nominell ytelse 1.4 kW simulert og effekten av viktige ... -
Exploring methane detection with Sentinel-2 data: capabilities for monitoring landfill emissions
(Master thesis; Mastergradsoppgave, 2024-06-01)Methane is an extremely potent greenhouse gas, as it is about 80 times more effective at trapping heat than carbon dioxide. To mitigate global warming and the related consequences, reducing our emissions of methane is crucial. Therefore, being able to detect unknown releases and monitor the effects of emission mitigation efforts is essential. A few satellites with methane monitoring as one of their ... -
Antarctic ice shelf response to ocean tides and atmospheric pressure variations using satellite interferometry
(Master thesis; Mastergradsoppgave, 2024-06-02)Ice shelves, the floating extensions of the Antarctic ice sheet, are supporting the upstream ice and regulates the outflow into the ocean. They are a key component in future predictions of sea level rise, as their direct contact with both the ocean and the atmosphere makes them subject to changing climatic conditions. This thesis aims to investigate how Fimbulisen, a large ice shelf in East ... -
Implementing renewable energy technologies in buildings: impacts of local-specific conditions, intermittency and volatile power markets
(Master thesis; Mastergradsoppgave, 2024-05-31)Increased implementations of small-scale renewable energy technologies in buildings can potentially save costs and reduce greenhouse gas emissions. The aim of this thesis is to analyse the total costs and climatic impact of implementations in major cities in Norway. Basing the analysis in data of hourly resolutions captures effects of how intermittency and volatility in the power market ... -
Seasonal Thermal Energy Storage Using Sand Batteries: Feasibility and Economic Analysis in Northern Norway
(Master thesis; Mastergradsoppgave, 2024-05-31)The global shift from fossil fuels to renewable energy sources necessitates effective energy storage solutions to address the intermittent nature of renewable power. This thesis investigates the feasibility and economic viability of using sand batteries for seasonal thermal energy storage in Northern Norway. Sand batteries leverage the high heat capacity of sand to store excess thermal energy during ... -
Assessing ice rate and ice load at Davvi wind farm using WRF model with wind turbine scheme
(Master thesis; Mastergradsoppgave, 2024-05-31)Wind farms located in cold climates are exposed to temperatures under the design limit and icing conditions, where the main challenges are production losses and mechanical failures. The goal of this thesis is to investigate the impact related to icing on the location of Davvi wind farm using Weather Research and Forecasting (WRF) model. The thesis have investigated the icing intensity and production ... -
Efficient Fuel Consumption Minimization for Green Vehicle Routing Problems using a Hybrid Neural Network-Optimization Algorithm
(Master thesis; Mastergradsoppgave, 2023-06-01)Efficient routing optimization yields benefits that extend beyond mere financial gains. In this thesis, we present a methodology that utilizes a graph convolutional neural network to facilitate the development of energy-efficient waste collection routes. Our approach focuses on a Waste company in Tromsø, Remiks, and uses real-life datasets, ensuring practicability and ease of implementation. In ... -
Wind resource assessment and siting for the expansion of Fakken wind park
(Master thesis; Mastergradsoppgave, 2023-05-31)Norway is anticipated to experience an energy deficit in the coming years, and one solution to address this issue is the implementation of new renewable energy sources. To mitigate the projected energy deficit, increased energy production is required. With its considerable wind potential, the country offers ample opportunities for wind energy development. Consequently, there is a growing demand for ... -
Optimal sizing and placement of Electrical Vehicle charging stations to serve Battery Electric Trucks
(Master thesis; Mastergradsoppgave, 2023-06-01)For Norway to reach the emission limits in the Paris Agreement, a substantial amount of CO2 must be reduced. Road traffic alone accounts for a high percentage of the total emissions during 2021. This thesis will focus on electrifying the transport sector and analyzing charging infrastructure for heavy-duty electric vehicles. New charging infrastructure for heavy-duty Electric Vehicles (EVs) provides ... -
Smart Senja electrical network expansion modeling
(Master thesis; Mastergradsoppgave, 2023-05-30)The addition of variable renewable energy sources into the electrical energy systems of the world has been increasing in recent years. This form of distributed energy production with high production volatility can introduce massive challenges in operating a lower voltage distribution network. One of these affected networks is on the island of Senja in northern Norway, with an eldering radial electrical ... -
Probabilistic Wind Power Forecasting with Deep Neural Sequence Models
(Master thesis; Mastergradsoppgave, 2023-05-27)As the world strives to fulfill the goal of zero-emission established during the Paris agreement, an increasing amount of wind power is integrated into the liberalized electricity markets. With this escalation comes the need for wind power forecasting (WPF) due to the intermittent nature of wind, and WPF is therefore becoming an important field of study to successfully incorporate wind power to the ... -
Attention-Based Neural Network for Solving the Green Vehicle Routing Problem in Waste Management
(Master thesis; Mastergradsoppgave, 2023-06-04)The transport sector is a major contributor to the emission of greenhouse gases and air pollution. As urbanization and population growth continue to increase, the demand for transportation services grows, emphasizing the need for sustainable practices. Therefore, incorporating sustainability into the transport sector can effectively reduce its negative impacts on the environment and optimize the ... -
Utilizing batteries in the Norwegian distribution grid
(Master thesis; Mastergradsoppgave, 2023-06-04)Recent research indicates that photovoltaic (PV) induced overvoltage can occur in high PVpenetration low voltage distribution networks, due to reverse power flow from power injected to the grid. Since January 2020, the number of PV installations in Norway has seen a 2.7-fold increase in a rising trend. Simultaneously there have been several reports of grid-overvoltage and PV curtailment in the ... -
Comparison of numerical wind modelling on hectometric and km scales at Kvitfjell wind power plant
(Master thesis; Mastergradsoppgave, 2023-06-01)Evaluating the performance of numerical weather models (NWMs) is crucial to identify the best choice of model for wind resource assessments. This thesis has investigated how well NWMs with different horizontal resolutions reproduced the wind directions, the wind speeds and the associated power production at a wind power plant located in complex terrain. The evaluated models included NORA3, ... -
Feasibility analysis of capacity expansion in Skjerka power station based on production simulation in ProdRisk.
(Master thesis; Mastergradsoppgave, 2023-05-31)The Norwegian energy system has traditionally had an energy surplus with a large share of hydro power. Due to increasing demand of power from large scale electrification, the power system is estimated to experience hours of national power deficient in 2030 even with moderate increase of consumption. Extensive increase of variable production renewable power from wind and solar in Northern Europe has ... -
Forecasting Wind Turbine Production Losses due to Icing
(Master thesis; Mastergradsoppgave, 2023-05-31)In order for wind energy producers to avoid the extra costs of inaccurate production estimates for the day-ahead energy market, precise forecasts of power production during the next day have to be made. For renewables such as wind energy, power production is particularly difficult to predict as it depends on the fluctuating wind speed. In addition, forecasting the power production in cold climates ... -
Comparative performance analysis of two high-latitude solar photovoltaic systems
(Master thesis; Mastergradsoppgave, 2023-05-30)The global energy demand and the urgency to limit greenhouse gas emissions require a transition to cleaner energy sources. Solar energy harvesting is a compelling solution because it can harness the sun’s enormous resources. Solar photovoltaic technology is widely adopted worldwide due to being versatile, adaptable, and mature. However, low solar irradiation and harsh weather conditions limit its ... -
Optical Remote Sensing of Oil Spills by using Machine Learning Methods in the Persian Gulf: A Multi-Class Approach
(Master thesis; Mastergradsoppgave, 2023-06-15)Marine oil spills are harmful for the environment and costly for society. Coastal areas are particularly vulnerable since they provide habitats for organisms, animals and marine ecosystems. This thesis studied machine learning methods to classify thick oil in a multi-class case, using remotely sensed multi-spectral data in the Persian Gulf. The study area covers a large area between United Arab ... -
Solenergi i mikronett ved gårdsbruk på Røros
(Master thesis; Mastergradsoppgave, 2023-06-01)I denne masteroppgaven har jeg undersøkt hvilket solenergisystem som vil være det mest hensiktsmessige for å minimere belastningen på det lokale strømnettet på Røros. Dette ble gjort ved å se på dimensjonering av solenergianlegg og batteripakker i et mikronett. Dette gjorde jeg ved å bruke solstrålingsdatabaser, og basert på dagens solcelle- og batteriteknologi, beregne hvor mye strøm som kan ... -
Machine learning approach for identification and tracking of coherent structures in turbulent fluids and plasmas
(Master thesis; Mastergradsoppgave, 2022-12-15)In a fusion reactor, coherent structures of hot and dense plasma can drift radially outwards due to the conditions of the edge plasma and can cause erosion of the outer walls. This erosion can release impurities into the plasma and harm equipment at the walls. This thesis presents two methods of tracking blobs in the boundary region of fusion experiments. The first model is a simple Long Short-Term ...
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