Blar i Geophysical Institute på emneord "752903"
Viser treff 1-20 av 108
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3D mechanical and thermal analysis of an Aluminium piston for a high-speed Diesel laboratory engine
(Master thesis, 2018-06-22)A cast aluminium piston of a single cylinder Petter Diesel engine is modelled using the finite element method. The engine is intended to be supercharged, which will increase the thermal loading on the piston, and so the ... -
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 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 POD-Based Reduced Order Model for Offshore Wind Applications, using LiDAR Measurements and WRF-PALM Simulations
(Master thesis, 2022-06-03)Wind flow fields within a wind farm, including wake dynamics, are a complex system of large degrees of freedom. The wake shape and velocity deficit downstream of a turbine may be calculated using numerical modeling, such ... -
A Study of Wind-Wave Interactions using Offshore High-Frequency Wind and Wave Measurements
(Master thesis, 2022-06-01) -
Akvakultur og små vindturbinar: Eit moglegheitsstudie av i kva grad små vindturbinar kan dekkje energiforbruket ved norske oppdrettsanlegg
(Master thesis, 2018-06-21)The world’s population is growing rapidly, and it will become necessary, to a greater extent, to use the ocean for harvesting food. Norway is the largest exporter of salmon in the world. Prognosis says that aquaculture in ... -
An Experimental and Numerical Study of the Performance of Carbon Black Nanofluids in a Direct Absorption Solar Collector
(Master thesis, 2023-06-01) -
An Investigation of the Optical Properties of Metal Nanoparticles for the Application in a Diffuse Light Solar Cell
(Master thesis, 2020-06-25)The need of renewable energy is increasing as the global energy demand increases concurrently with greenhouse gas emissions from energy use. According to the International Energy Agency, the energy demand will rise by 1.3 ... -
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 energi, eksergi og eksergoøkonomi for en stempelmotorbasert CHP-enhet kombinert med en organisk Rankine-syklus (ORC)
(Master thesis, 2015-08-17)Waste heat recovery is a concept that is relevant for reducing consumption and emissions from thermal machinery. Waste heat recovery can performed in two ways: by Combined Heat and Power production (CHP) or Waste Heat ... -
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 ... -
Analyses of the potential role of hydrogen for Norway in the transition to a zero-emission society
(Master thesis, 2017-06-23)The objective of this thesis is to analyze the potential role of hydrogen for Norway in the transition to a zero-emission society. The main sector of focus is the transport sector. Here, socioeconomic analyses are carried ... -
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 ... -
Avansert styringssystem for optimalisering av energilagring i distribusjonsnett
(Master thesis, 2019-01-17)I distribusjonsnettet har det lenge blitt opererert med tradisjonell nettutbygging for handtering av kapasitetsproblem eller spenningsproblem. Med stor vekst i tal el-bilar, meir energikrevjande apparat, samt befolkningsvekst ... -
Avvik mellom estimert og faktisk energiproduksjon for småkraftverk
(Master thesis, 2016-06-01)I denne oppgaven har jeg sett på årsakene til avviket mellom estimert og faktisk energiproduksjon for tre av kraftverkene som Småkraft AS sammen med grunneier har hatt i drift i 8-9 år. Kraftverkene jeg har sett på er Ytre ... -
Batterilading i hybride fremdriftssystemer ved hjelp av tapsenergi fra forbrenningsmotoren
(Master thesis, 2017-06-23)In a time when emission standards are getting stricter, the search for more environmentally friendly propulsion is more relevant than ever. Hybridization and electric propulsion has, thus, become more common in some sectors, ... -
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. ...