Blar i NTNU Open på forfatter "Støvneng, Jon Andreas"
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Development of a 3D Particle-Based Device Simulator: A Self-Consistent Monte Carlo Approach Using Tetrahedral Grids
Bolstad, Andreas (Master thesis, 2020)Essensielt for optimering av halvlederkomponenter er å kunne simulere dem med realistiske geometri- og material-egenskaper. Et nytt simuleringsprogram presenteres som kombinerer en partikkelbasert simuleringsmetode med ... -
Development of CMS Tracker monitoring software and database, with analysis of power cycles in the Pixel detector
Lunde, Jenny (Master thesis, 2023)Compact Muon Solenoid (CMS) er en av de fire hovedeksperimentene ved partikkelakseleratoren LHC (Large Hadron Collider). For å teste og utfordre eksisterende teorier, og får å utvikle nye teorier, brukes CMS til å identifisere ... -
Digital threshold markers of atypical sheep movement on rangeland pastures by the use of the machine learning models k-means and DBSCAN
Salvesen, Nina (Master thesis, 2022)Determining the data driven description of the behaviour in sheep on rangeland grazing pastures is in demand to ensure welfare and sustainability in both Norwegian and worldwide modern pastoral systems. This study investigated ... -
Drop-on-demand i presisjonsjordbruk
Klungerbo, Alexander Tallund (Master thesis, 2013)Denne oppgaven beskriver et eksperiment der vi har skutt dråper gjennom luft med hastighet 4 m/s pluss/minus 10%. Hensikten var å skyte dråper så langt som mulig med definert presisjon og uten oppbrytning ved å justere 3 ... -
Elastic Full Waveform Inversion of Synthetic Data: Marmousi2 Model Test Study
Skot-Hansen, Johan (Master thesis, 2014)Full waveform inversion (FWI) is a computationally extensive technique used to obtain estimates of subsurface rock parameters from seismic data. Initial models are iteratively improved by fitting forward modeled data to ... -
Electronic and Optical Properties of TiO2, and the Potential of Doped TiO2 for the Use in Intermediate Band Solar Cells
Hoholm, Rasmus (Master thesis, 2023)Titandioksid (TiO2), med sine særegne egenskaper og kostnadseffektive, ikke-giftige, og stabile natur, er mye brukt i ulike sektorer, inkludert avanserte energiteknologier som fotovoltaiske enheter. Et eksempel på sistnevnte ... -
Electronic Properties of Si as an Intermediate Band Solar Cell - A Density Functional Theory Study
Hammarbeck, Haakon (Master thesis, 2018)Crystalline silicon is widely used as a solar cell material in modern day society. This report investigates the possibility of adding an additional energy band placed within the conventional band gap, in order to increase ... -
En EXAFS-studie av DFT-modellerte AuCu-nanopartikler: Cupiditas de SmAug
Tungodden, Leif Kristian (Master thesis, 2014)En strukturstudie av AuCu-nanopartikler har blitt gjennomført ved hjelp av DFT og EXAFS. Det ble i alt undersøkt 18 DFT-modellerte AuCu-nanopartikler med størrelser fra 38 til 80 atomer og varierende støkiometrisk ... -
Ensemble averaged and single Particle Auger Lifetimes in Zincblende Structure Semiconductors
Falch, Ken Vidar (Master thesis, 2013)In this master?s thesis, ensemble averaged and k-dependent Augerrecombination processes are studied using Monte Carlo integration. Effectsof introducing kp-overlap integrals, as opposed to constant overlap integrals, ... -
Estimation of Design Snow Loads on Offshore Structures in the Barents Sea
Lie, Bjørnar Berge (Master thesis, 2016)Snow accumulating on offshore structures can reduce freeboard and stability, block equipment and valves, and reduce operability of the platform or ship. It is thus important to evaluate snow conditions before starting long ... -
Estimation of Skin Optical Parameters for Real-Time Hyperspectral Imaging Applications using GPGPU Parallel Computing
Bjørgan, Asgeir (Master thesis, 2013)Hyperspectral imaging with a high spatial and spectral resolution can be used to analyze materials using spectroscopic methods. This can be applied on skin as a general purpose real-time diagnostic tool.Light transport ... -
Experimental Evaluation of Broadband Wave Propagation in Plates
Talberg, Andreas Sørbrøden (Master thesis, 2016)As the number of aging oil field in the North Sea is increasing, the number of plug and abandonment (P&A) jobs which has to be conducted on the wells going out of production, e.g. to prevent hydrocarbons from leaking out ... -
Extracting room geometry from impulse response measurements
Narum, Eva Chantal Singh (Master thesis, 2014)An algorithm for establishing room parameters from measured impulse responses is created and implemented in matlab. The script is defined for synthetic and measured impulse responses. The setup is optional placement of a ... -
Finite Element Modeling of Heat Generation in 1-3 Piezocomposite Transducers for Underwater Ultrasonic Applications
Myrstuen, Lars Erik (Master thesis, 2018)Today, piezoelectric ultrasound transducers are used extensively for underwater applications such as sonar. In such transducers, operating in thickness mode, the active part is often a 1-3 piezocomposite, usually made of ... -
Fluorohectorite as a CO2 adsorbent: a DFT and DFTB study.
McDougall, Siv-Marie (Master thesis, 2020)I denne oppgaven gjøres beregninger med tetthetsfunksjonalteori (DFT) og tetthetsfunksjonalteori tight binding (DFTB) på leirematerialet fluorhektoritt for å finne hvilke kationer som passer best for interkalasjon av CO2. ... -
Flux Optimisation of the Cold Neutron Source in the JEEP II Reactor
Kaald, Sindre Hestnes (Master thesis, 2019)The purpose of this thesis is to describe the optimisation of the cold moderator setup in the JEEP II research reactor. This includes the development of a MCNP model of the tangential beam channel of the JEEP II, combining ... -
Formation of intermediate bands in silicon by transition metal doping - A DFT/DFTB computational study
Solevåg-Hoti, Kenny (Master thesis, 2016)The intermediate band solar cell offers the possibility of increasing the efficiency of modern-day solar cells. By having a narrow intermediate band placed in the conventional band gap, sequential absorption of photons is ... -
Friction Models for Oscillating Flow in a U-tube
Thon, Bjørn Olav (Master thesis, 2014)The basic theory of friction in pipe flow was reviewed in the first part of this thesis. Using the results from this review, steady state friction relations were derived for laminar and turbulent pipe flow.Steady state ... -
Full Waveform Inversion of Gas Hydrates: Application to estimate of hydrate saturation
Hovland, Rebecca Petterteig (Master thesis, 2014)Through seismic acquisitions there have been discovered layers beneath the seabedthat consist of pores filled with gas hydrates (GH). These reservoirs are potentialenergy reserves and it is therefore desirable to get an ... -
GAN Based Super-Resolution of Near-Surface 3D Atmospheric Wind Flow with Physics Informed Loss Function
Wold, Jacob Wulff (Master thesis, 2023)I møte med økende behov for grønn energi er det forventet med stor økning i vindkraftutbygging de neste årene. Billig høyoppløslig vinddata kan hjelpe vindutviklere å optimere produksjon og redusere risiko ved vindutbygging. For ...