Now showing items 2066-2085 of 2125

    • An Updated Geomagnetic Index-Based Model for Determining the Latitudinal Extent of Energetic Electron Precipitation 

      Babu, Eldho Midhun; Nesse, Hilde; Hatch, Spencer Mark; Olsen, Nils; Salice, Josephine Alessandra; Richardson, Ian G. (Journal article; Peer reviewed, 2023)
      Energetic Electron Precipitation (EEP) from the Earth's plasma sheet and the radiation belts is an important feature of atmospheric dynamics through their destruction of ozone in the lower thermosphere and mesosphere. ...
    • Upgrade of the ALICE central barrel tracking detectors: ITS and TPC 

      Gasik, P.; Acharya, Shreyasi; Acosta, Fernando T.; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Neelima; Ahammed, Zubayer; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Nystrand, Joakim; Rehman, Attiq Ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Zhou, Zhuo; Arsene, Ionut Cristian; Bätzing, Paul Christoph; Dordic, Olja; Lardeux, Antoine Xavier; Lindal, Svein; Mahmood, Sohail Musa; Malik, Qasim Waheed; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Helstrup, Håvard; Langøy, Rune; Lien, Jørgen André; Ahn, Sang Un; Aiola, Salvatore; Akindinov, Alexander; Al-Turany, Mohammad; Alam, Sk Noor; Albuquerque, D. S. D.; Aleksandrov, Dmitry; Alessandro, Bruno; ALICE, Collaboration (Peer reviewed; Journal article, 2019-02)
      The ALICE Collaboration will undertake a major upgrade of the detector apparatus during the second LHC Long Shutdown LS2 (2019–2020) in view of the Runs 3 and 4 (2021–2029). The objective of the upgrade is two-fold: i) an ...
    • The upgrade of the ALICE TPC with GEMs and continuous readout 

      Tpc Collaboration, Alice; Adolfsson, J.; Ahmed, M.; Aiola, Salvatore; Alme, Johan; Alt, T.; Amend, W.; Anastasopoulos, F.; Andrei, C.; Angelsmark, M.; Anguelov, V.; Anjam, A.; Appelshauser, H.; Aprodu, V.; Arnold, O.; Arslandok, M.; Baitinger, D.; Ball, M.; Barnaföldi, Gergely Gábor; Bartsch, E.; Becht, P.; Bellwied, R.; Berdnikova, A.; Berger, M.; Bialas, N; Bialas, P.; Biswas, S.; Blidaru, B.; Boldizsár, L.; Bratrud, L.; Braun-Munzinger, P.; Bregant, M.; Britton, C.L.; Brucker, S.; Brucken, E.J.; Buesching, H.; Soto Camacho, Camacho; Campos, A.L.; Caragheorgheopol, G.; Carvalho, D.D.; Castro, A.J.; Chatzidaki, P.; Christiansen, P.; Clonts, L.G.; Cormier, T.M.; Couto, A.L.D.; Cubas, H.G.A.; Deisting, A.; Dhankher, P.; Dittrich, S.; Duta, V.; Ehlers, R.J.; Engel, M.; Ericson, M.N.; Ezell, N.B.; Fabbietti, L.; Flor, F.; Föhner, G.; Frankenfeld, U.; Futo, E.; Gaardhoje, J.J.; Munhoz, M.G.; Garabatos, C.; Gasik, P.; Geiger, T.; Gera, A.; Glässel, P.; Goh, D.J.Q.; Grachov, Oleg; Grein, A.; Gul, M.; Gunji, T.; Habib, M.K.; Hamagaki, H.; Hamar, G.; Hansen, J.C.; Harlenderova, A.; Harris, J.W.; Hassan, S.; Hauer, P.; Hayashi, S.; Heckel, S.T.; Hehner, J.; Heino, J.K.; Hellbär, E.; Helstrup, Håvard; Herghelegiu, A.; Hernandes Da Costa Porto, Da; Hernandez, R.A.; Hernandez Herrera, Herrera; Herold, T.; Hilden, T.E.; Hohlweger, B.; Hornung, S.; Hughes, C.; Hummel, S.; Ivanov, M.; Jung, J.; Jung, M.; Just, D.; Kangasaho, E.; Karayan, L.; Ketzer, B.; Kirsch, S.; Kleiner, M.; Klemenz, T.; Klewin, S.; Knospe, A.G.; Koskinen, E.; Kowalski, M.; Kreis, L.; Krüger, M.; Kupfer, N.; Lang, R.; Lautner, L.; Lesch, M.; Lesenechal, Y; Liebske, F.; Lippmann, C.; Litichevskyi, V.; Ljunggren, M.; Llope, W.J.; Mahmood, Sohail Musa; Mahmoud, T.; Majka, R.D.; Markert, C.; Martinez, J.L.; Martins, T.A.; Masciocchi, S.; Mathis, A.M.; Matonoha, O.; Matsuyama, Y.; Matyja, A.; Meres, M.; Mihaylov, D.L.; Miśkowiec, D.; Mittelstaedt, T.; Montali, L.S.; Moraes, D.; Mordasini, C.; Morhardt, T.; Muley, S.; Mulligan, J.D.; Munzer, R.H.; Murakami, H.; Münning, K.; Nassirpour, A.F.; Natal Da Luz, Da; Nattrass, C.; Negrao De Oliveira, De; Neves, H.G.; Nielsen, B.S.; Noije, W.A.V.; Ogino, M.; Oliveira Da Silva, Da; Oskarsson, A.; Ottnad, J.; Oyama, K.; Onnerstad, A.; Osterman, L.; Pabon, A.A.; Pachmayer, Y.; Paić, G.; Parkkila, J.E.; Pathak, S.P.; Patra, R.N.; Peskov, V.; Petris, M.; Petrovici, M.; Planinic, M.; Pompei, F.; Prodan, L.; Radu, A.; Radulescu, L.; Rak, J.; Rasson, J.; Ratza, V.; Read, K.F.; Rehman, Attiq Ur; Renfordt, R.; Roed, K.; Röhrich, Dieter Rudolf Christian; Rubio, E.; Rudzki, T.; Rusu, A.; Saleh, M.; Sanches, B.C.S.; Schambach, J.; Scheid, S.; Schmidt, C.; Schmier, A.R.; Schulte, H.; Schweda, K.; Sekihata, D.; Shimizu, N.; Siebig, S.; Silva, R.W.D.; Silvermyr, D.; Simpson, D.; Sitar, B.; Smirnov, N.; Snellman, T.W.; Soltveit, H.K.; Sorensen, S.; Sozzi, F.; Stachel, J.; Szabo, A.; Šerkšnytė, L.; Takeuchi, Y.; Tambave, Ganesh Jagannath; Tanaka, Y.; Terasaki, K.; Turpeinen, R.J.; Ullaland, Kjetil; Ulukutlu, B.; Umaka, E.N.; Utrobicic, A.; Varga, D.; Vargas, A.; Vargyas, M.; Varma, R.; Vazquez Rueda, Rueda; Velure, Arild; Vereschagin, S.; Vergara Limón, Limon; Vergara Urrutia, Urrutia; Vorbach, O.; Voss, B.; Vranic, D; Warmack, R.J.; Weber, T.O.; Weidlich, C.; Wiechula, J.; Windelband, B.; Winkler, S.; Witt, W.E. (Journal article; Peer reviewed, 2021)
      The upgrade of the ALICE TPC will allow the experiment to cope with the high interaction rates foreseen for the forthcoming Run 3 and Run 4 at the CERN LHC. In this article, we describe the design of new readout chambers ...
    • Upscaling on Fracture Flow Models 

      Dugstad, Martin Sandanger (Master thesis, 2017-08-25)
      Fractures have a great impact on the quality of a porous media. The understanding of the fractures is important to describe the challenges linked to flow of geothermal heat, the transport of groundwater or transport of ...
    • Use of biodegradable colloids and carbon black nanofluids for solar energy applications 

      Kosinska, Anna Dorota; Balakin, Boris; Kosinski, Pawel Jan (Journal article; Peer reviewed, 2021)
      The conversion of solar energy to heat can be performed in direct absorption solar collectors, where the radiation from the sun is absorbed by a fluid. There are various types of fluids that can be used, and recently, ...
    • Use of market ready light dosimeters for patients with erythropoietic protoporphyria disorder 

      Nedrebø, Svein (Master thesis, 2017-06-21)
      Erythropoietic protoporphyria (EPP) disorder causes severe pain in the skin when patients are overexposed to light, particularly blue light. These patients can only stay exposed to sunlight for a short amount of time, and ...
    • Using machine learning to characterize solar wind driving of convection in the terrestrial magnetotail lobes 

      Cao, Xin; Halekas, Jasper; Haaland, Stein Egil; Ruhunusiri, Suranga; Glassmeier, Karl-Heinz (Journal article; Peer reviewed, 2023)
      In order to quantitatively investigate the mechanism of how magnetospheric convection is driven in the region of magnetotail lobes on a global scale, we analyzed data from the ARTEMIS spacecraft in the deep tail and data ...
    • Using Multivariate Data Analysis and ATR-FTIR Spectroscopy for Modeling Components Present During CO2 Capture with Amines 

      Sjo, Helene Irgens (Master thesis, 2018-06-20)
      This master thesis is a collaboration between Technology Centre Mongstad (TCM) and University of Bergen. The project is to develop a method to accurately predict total inorganic carbon, total alkalinity and density using ...
    • UV and aerosol climatology based on simulations and measurements by satellites and ground station 

      Chen, Yi-Chun (Doctoral thesis, 2013-03-22)
      Solar radiation (200–4,000 nm) is very important for the climate system on Earth. It provides heat and drives the photosynthesis in plants to fuel all life. It plays a major role in the original synthesis of biomolecules ...
    • Validating the Space Weather Modeling Framework (SWMF) for applications in northern Europe: Ground magnetic perturbation validation 

      Kwagala, Norah Kaggwa; Hesse, Michael; Moretto, Therese; Tenfjord, Paul; Norgren, Astrid Elisabet Cecilia; Tóth, Gábor; Gombosi, Tamás I.; Kolstø, Håkon Midthun; Spinnangr, Susanne Flø (Journal article; Peer reviewed, 2020)
      In this study we investigate the performance of the University of Michigan’s Space Weather Modeling Framework (SWMF) in prediction of ground magnetic perturbations (ΔB) and their rate of change with time (dB/dt), which is ...
    • Vannbasert eor i oppsprukne bergarter - økt oljeutvinning ved kjemikalietilsetning i injeksjonsvannet 

      Nyheim, Arita (Master thesis, 2010-06-01)
      En stor del av verdens hydrokarbonreserver finnes i karbonater. Karbonatreservoarer er komplekse fordi reservoarbergarten ofte er sprø og sprekker lett. Mineralsammensetningen av karbonater gjør poreoverflaten mer tilbøyelig ...
    • Vanninjektivitet og svekking av kalk under injeksjon av kaldt vann 

      Selvåg, Julia (Master thesis, 2014-12-05)
      Primær oljeutvinning ved trykkavlastning gir ofte lav utvinningsgrad, og etterlater stor restoljemetning i reservoaret. For å forbedre oljeutvinningsgraden kan andre produksjonsmetoder benyttes; vanninjeksjon har i lang ...
    • Vannutfelling på rustoverflater i gassrør 

      Haynes, Martin (Master thesis, 2009-06-12)
      Målet for denne oppgaven har vært å legge et grunnlag for beregninger av vannegenskaper i adsorbert fase på rust. Egenskaper bestemmes av et antall kompliserte termodynamiske og kinetiske mekanismer, som gjør at problemstillingen ...
    • Variation in relative biological effectiveness for cognitive structures in proton therapy of pediatric brain tumors 

      Otterlei, Ole Marius; Indelicato, Daniel J.; Toussaint, Laura; Ytre-Hauge, Kristian; Pilskog, Sara; Fjæra, Lars Fredrik; Rørvik, Eivind; Pettersen, Helge Egil Seime; Muren, Ludvig Paul; Lassen-Ramshad, Yasmin; Di Pinto, Marcos; Stokkevåg, Camilla Hanquist (Journal article; Peer reviewed, 2021)
      Background Clinically, a constant value of 1.1 is used for the relative biological effectiveness (RBE) of protons, whereas in vitro the RBE has been shown to vary depending on physical dose, tissue type, and linear energy ...
    • Variation of bending rigidity with material density: bilayer silica with nanoscale holes 

      Tømterud, Martin; Eder, Sabrina Daniela; Büchner, Christin; Heyde, Markus; Freund, Hans Joachim; Manson, Joseph R.; Holst, Bodil (Journal article; Peer reviewed, 2022)
      Two dimensional (2D) materials are a young class of materials that is foreseen to play an important role as building blocks in a range of applications, e.g. flexible electronics. For such applications, mechanical properties ...
    • Vector meson photoproduction in UPCs with FoCal 

      Bylinkin, Aleksandr; Nystrand, Joakim Ingemar; Tapia Takaki, Takaki (Journal article; Peer reviewed, 2023)
      We discuss the physics prospects of photon-induced measurements using the high-granularity FoCal detector to be installed at the ALICE experiment, covering the pseudorapidity interval 3.4 ≤ η ≤ 5.8. This new detector, ...
    • Veksling mellom ulike fokus i et utvalg av læreres veiledning av elever under praktisk natufagsarbeid 

      Sinnes, Svein Tore (Master thesis, 2015-06-08)
      Dialogue and discourse in science classrooms have been well studied, and multiple articles have been written about both challenges and opportunities related to classroom dialogue between teacher and students. In my master's ...
    • Velocity distributions in microskimmer supersonic expansion helium beams: High precision measurements and modeling 

      Eder, Sabrina Daniela; Palau, Adria Salvador; Kaltenbacher, Thomas; Bracco, Gianangelo; Holst, Bodil (Peer reviewed; Journal article, 2018)
      Supersonic molecular beams are used in many applications ranging from spectroscopy and matter wave optics to surface science. The experimental setup typically includes a conically shaped, collimating aperture, the skimmer. ...
    • Vented gas and dust explosions - External explosions 

      Klausen, Mads-Jørgen (Master thesis, 2016-06-01)
      The use of explosion venting is a widely applied safety measure, mitigating the effects of an internal gas and dust explosion. Implementation of this safety measure does however not eliminate all risks and hazards associated ...
    • Vented hydrogen deflagrations in weak enclosures: Experimental results and implications for industrial practice 

      Skjold, Trygve (Peer reviewed; Journal article, 2019)
      It is common practice in industry to install equipment for hydrogen energy applications in containers and smaller enclosures. Fires and explosions represent a significant hazard for such installations (Skjold et al., 2018), ...