• Enhancing higher-energy spectral resolution for electron particle simulations in air 

      Schmalzried, Anthony; Luque, Alejandro; Lehtinen, Nikolai Grigorievich (Journal article; Peer reviewed, 2022)
      In the presence of an electric field, electrons would theoretically accelerate asymptotically to relativistic energies. However, regular collisions with air molecules limit the increase in electron energy. The stochastic ...
    • Enhancing Light In-Coupling for Thin-Film Solar Cells Using Plasmonic Nanostructures 

      To, Minh Chi (Master thesis, 2021-06-01)
      The increase in energy use, and the subsequent emission of greenhouse gases from fossil fuel usage has led Earth to the global climate crisis we are facing today. The goal of the Paris agreement is to limit global warming ...
    • Enhancing Radiotherapy for Locally Advanced Non-Small Cell Lung Cancer Patients with iCE, a Novel System for Automated Multi-Criterial Treatment Planning Including Beam Angle Optimization 

      Fjellanger, Kristine; Hysing, Liv Bolstad; Heijmen, Ben J.M.; Pettersen, Helge Egil Seime; Sandvik, Inger Marie; Sulen, Turid Husevåg; Breedveld, Sebastiaan; Rossi, Linda (Journal article; Peer reviewed, 2021)
      In this study, the novel iCE radiotherapy treatment planning system (TPS) for automated multi-criterial planning with integrated beam angle optimization (BAO) was developed, and applied to optimize organ at risk (OAR) ...
    • Enthalpies of Hydrate Formation and Dissociation from Residual Thermodynamics 

      Aromada, Solomon Aforkoghene; Kvamme, Bjørn; Wei, Na; Saeidi, Navid (Journal article; Peer reviewed, 2019-12-11)
      We have proposed a consistent thermodynamic scheme for evaluation of enthalpy changes of hydrate phase transitions based on residual thermodynamics. This entails obtaining every hydrate property such as gas hydrate ...
    • Establishing a homogeneous and stable sand pack to study parameters during spontaneous imbibition 

      Saunes, Anders Sundgot (Master thesis, 2018-06-20)
      Spontaneous imbibition is an important process for oil production during water flooding in porous media and has been widely studied for decades to understand the physics of the process for different boundary conditions. ...
    • Estimating the fate of oxygen ion outflow from the high-altitude cusp 

      Krcelic, Patrik; Haaland, Stein; Maes, Lukas; Slapak, Rikard; Schillings, Audrey (Journal article; Peer reviewed, 2020)
      We have investigated the oxygen escape-to-capture ratio from the high-altitude cusp regions for various geomagnetic activity levels by combining EDI and CODIF measurements from the Cluster spacecraft. Using a magnetic field ...
    • Estimating the Rate of Cessation of Magnetospheric Activity in AMPERE Field‐Aligned Currents 

      Moretto, T; Hesse, Michael; Vennerstrøm, Susanne; Tenfjord, Paul (Peer reviewed; Journal article, 2018-12)
      The decay of magnetospheric activity when driving is turned off (to a minimum) was measured in total field‐aligned current estimates from the Active Magnetosphere and Planetary Electrodynamics Response Experiment (AMPERE) ...
    • Estimation of cold plasma outflow during geomagnetic storms 

      Haaland, Stein; Eriksson, A.; Maes, L.; Baddeley, Lisa; Barakat, A.; Chappell, R.; Eccles, V.; Johnsen, C.; Lybekk, Bjørn; Li, K.; Pedersen, A; Schunk, R.; Welling, D. (Peer reviewed; Journal article, 2015-12-01)
      Low-energy ions of ionospheric origin constitute a significant contributor to the magnetospheric plasma population. Measuring cold ions is difficult though. Observations have to be done at sufficiently high altitudes and ...
    • Estimation of In-situ Polymer Rheology by Simulation of Radial Flow Experiment 

      Nielsen, Tonje (Master thesis, 2017-06-22)
      Most experiments about in-situ rheology of polymer flow in porous media presented in literature is executed on linear cores and hence, performed during steady state conditions where the pressure drop is constant over the ...
    • Estimation of Relative Permittivity and Thickness for Dielectric Materials Using an Open-Ended Waveguide Sensor 

      Nikparvar, Bahareh (Master thesis, 2016-09-10)
      The main goal of this thesis has been to conduct a feasibility study on an open-ended waveguide sensor as a tool for estimating the relative permittivity and thickness of dielectric layers in the thickness range 0.5-5 cm. ...
    • Et kritisk og konstruktivt blikk på naturfaget i norsk skole 

      Nilsen, Trude; Frøyland, Merethe; Henriksen, Ellen Karoline; Kolstø, Stein Dankert; Jorde, Doris; Korsager, Majken; Knain, Erik; Ødegaard, Marianne; Teig, Nani; Jensen, Fredrik; Kjærnsli, Marit; Bungum, Berit; Løken, Marianne; Stadler, Matthias Gregor (Chapter, 2021)
      Dette kapitlet retter et kritisk, men konstruktivt blikk på naturfag, og foretar en gjennomgang av naturfag og naturfagdidaktikk innen forskning og i praksis. Kapitlet starter med å beskrive og diskutere naturfagets ...
    • Ethernet-Based Control System and Data Readout for a Proton Computed Tomography Prototype 

      Bohne, Karl Emil Sandvik (Master thesis, 2018-06-23)
      At the University of Bergen (UiB), work is underway to develop a proton based computed tomography prototype. Proton CT (pCT) is an alternative to photonbased imaging that shows great promise as a technology for use in ...
    • Eulerian CFD model of direct absorption solar collector with nanofluid 

      Bårdsgård, Runa By; Kuzmenkov, Dmitriy M.; Kosinski, Pawel Jan; Balakin, Boris (Journal article; Peer reviewed, 2020)
      Solar energy is the most promising source of renewable energy. However, the solar energy harvesting process has relatively low efficiency, while the practical use of solar energy is challenging. Direct absorption solar ...
    • Evaluating tertiary water based EOR methods on the Veslefrikk field, with emphasis on analyzing sodium silicate injection by numerical simulation 

      Hansen, Beate (Master thesis, 2009-04-29)
      The applicability of some water based EOR methods was evaluated for the Veslefrikk field. Diversion of injection water, by injection of sodium silicate, was regarded as having an EOR potential. This was analyzed by numerical ...
    • Evaluating the price of tiny kinetic mixing 

      Gherghetta, Tony; Kersten, Jörn; Olive, Keith A.; Pospelov, Maxim (Peer reviewed; Journal article, 2019)
      We consider both “bottom-up” and “top-down” approaches to the origin of gauge kinetic mixing. We focus on the possibilities for obtaining kinetic mixings ϵ which are consistent with experimental constraints and are much ...
    • Evaluation and design of readout electronics for electron and proton detectors 

      Nes, Aleksander Kårstad (Master thesis, 2017-06-16)
      Researchers at Birkeland center of space science have initiated a project where the precipitating flux of energetic electrons and protons into the middle atmosphere will be measured. An instrument will be attached to a low ...
    • Evaluation of Methane and Water Structure at a Hematite Surface - A Hydrate Prevention Perspective 

      Austrheim, Marthe Haaland (Master thesis, 2017-09-25)
      In Norway oil and gas is found in reservoirs below the North Sea and the Barents Sea. When this is transported through pipelines it is exposed to temperatures and pressures in the hydrate stability zone. If sufficient ...
    • Evaluation of Turbulence Models in Gas Dispersion 

      Moen, Alexander (Master thesis, 2016-06-01)
      Several earlier model validation studies for predicting gas dispersion scenarios have been conducted for the three RANS two-equation eddy viscosity turbulence models, the standard k-ε (SKE), Re- Normalisation group k-ε ...
    • Event activity-dependence of jet production in p-Pb collisions at \(\sqrt{s_{\rm NN}} = 5.02\) TeV measured with semi-inclusive hadron+jet correlations by ALICE 

      Acharya, Shreyasi; Adam, Jaroslav; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, G; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, N; Ahn, SU; Alme, Johan; Altenkaemper, Lucas; Arsene, Ionut Christian; Bätzing, Paul Christoph; Djuvsland, Øystein; Dordic, Olja; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Langøy, Rune; Lardeux, Antoine Xavier; Lien, Jørgen André; Lindal, Svein; Lønne, Per-Ivar; Mahmood, Sohail Musa; Milosevic, Jovan; Nesbø, Simon Voigt; Nystrand, Joakim; Rehman, Attiq Ur; Richter, Matthias Rudolph; Røed, Ketil; Røhrich, Dieter; Skaali, Toralf Bernhard; Tambave, Ganesh Jagannath; Tveter, Trine Spedstad; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Wikne, Jon Christopher; Zhang, Hui; Zhao, Chengxin; Zhou, Zhuo; Zhu, Hongsheng; Aiola, Salvatore; Akindinov, Alexander; Alam, Sk Noor; Alba, José Luis Bazo; Aleksandrov, Dimitry; Allesandro, B.; ALICE, Collaboration (Peer reviewed; Journal article, 2017-11)
      We report measurement of the semi-inclusive distribution of charged-particle jets recoiling from a high transverse momentum \(p_{\rm T}\) hadron trigger, for p-Pb collisions at \(\sqrt{s_{\rm NN}} = 5.02\) TeV, in p-Pb ...
    • Event-by-event mean pT fluctuations in pp and Pb–Pb collisions at the LHC 

      Abelev, Betty; Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agostinelli, Andrea; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Nazeer; Alme, Johan; Erdal, Hege Austrheim; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Altinpinar, Sedat; Djuvsland, Øystein; Fehlker, Dominik; Haaland, Øystein Senneset; Huang, Meidana; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Skjerdal, Kyrre; Szostak, Artur Krzysztof; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Yang, Shiming; Zhou, Zhuo; Røhrich, Dieter; Arsene, Ionut Christian; Bätzing, Paul Christoph; Dordic, Olja; Lindal, Svein; Mahmood, Sohail Musa; Milosevic, Jovan; Qvigstad, Henrik; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Langøy, Rune; Lien, Jørgen André; Ahmed, Ijaz; Ahn, Sang Un; Ahn, Sul-Ah; Aiola, Salvatore; ALICE, Collaboration (Peer reviewed; Journal article, 2014-10)
      Event-by-event fluctuations of the mean transverse momentum of charged particles produced in pp collisions at s√ = 0.9, 2.76 and 7 TeV, and Pb–Pb collisions at √sNN = 2.76 TeV are studied as a function of the charged-particle ...