Now showing items 593-612 of 956

    • New hydrate risk evaluation for processing and transport of natural gas containing water and impurities 

      Kulkarni, Anuli Avinash (The University of Bergen, 2014-10-16)
      The growth of natural gas transport by pipeline has led to the establishment of a large network of pipelines throughout the world [1]. Transport of natural gas through a network of pipelines is a challenging issue, mainly ...
      Master thesis
    • The new Inner Tracking System of the ALICE experiment 

      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; Qvigstad, Henrik; Aiola, Salvatore; Akindinov, Alexander; Alam, Sk Noor; Alba, José Luis Bazo; Aleksandrov, Dimitry; Allesandro, B.; ALICE, Collaboration (Elsevier, 2017-11)
      The ALICE experiment will undergo a major upgrade during the next LHC Long Shutdown scheduled in 2019–20 that will enable a detailed study of the properties of the QGP, exploiting the increased Pb-Pb luminosity ...
      Journal article
    • A new method reveals more TGFs in the RHESSI data 

      Gjesteland, Thomas; Østgaard, Nikolai; Collier, A. B.; Carlson, B. E.; Eyles, C.; Smith, D. M. (American Geophysical Union, 2012-03-07)
      Peer reviewedJournal article
    • New method to detect rotation in high-energy heavy-ion collisions 

      Csernai, Laszlo; Svelle, Sindre; Wang, Du-Juan (American Physical Society, 2014-03-31)
      With increasing beam energies the angular momentum of the fireball in peripheral heavy-ion collisions increases, and the proposed differential Hanbury Brown and Twiss analysis is able to estimate this angular momentum ...
      Journal article
    • New Phenomenological Constraints on the Gaugino Mediation Model 

      Murphy, Nick (The University of Bergen, 2016-05-31)
      In this thesis, phenomenological consequences of the Gaugino Mediation model for SUSY breaking are explored. First, the very important trilinear coupling is proven to exist in Gaugino Mediation. Then, the parameter space ...
      Master thesis
    • A new population of Terrestrial Gamma-ray Flashes 

      Berge, Nini Lykke Susanne Aandahl (The University of Bergen, 2017-06-21)
      Terrestrial Gamma-ray Flashes (TGFs) consist of large numbers of highenergy photons produced in thunderstorms in connection with the lightning flash, and are the most energetic photon phenomenon naturally occurring ...
      Master thesis
    • A new population of terrestrial gamma-ray flashes in the RHESSI data 

      Østgaard, Nikolai; Albrechtsen, Kjetil; Gjesteland, Thomas; Collier, Andrew B. (AGU Publications, 2015-12-23)
      Terrestrial gamma-ray flashes (TGFs) are the most energetic photon phenomenon occurring naturally on Earth. An outstanding question is as follows: Are these flashes just a rare exotic phenomenon or are they an intrinsic ...
      Journal article
    • NMR measurements of wettability alternation in Berea Sandstone 

      Vevle, Joar (The University of Bergen, 2011-11-28)
      When a new oil reservoir is discovered and a production strategy is chosen the knowledge about wettability characteristics for the field is of outermost importance. Wettability is a key factor for fluid distribution ...
      Master thesis
    • Noise and Cluster Size Studies of ALPIDE-CMOS Pixel Sensor for pCT 

      Afroz, Susmita (The University of Bergen, 2018-07-04)
      The use of proton beam has been introduced in medical physics for therapeutic purposes in cancer treatment and it has been proven much more efficient than conventional X-ray. Treatment planning in proton therapy is usually ...
      Master thesis
    • Non-invasive studies of multiphase flow in process equipment. Positron emission particle tracking technique 

      Balakin, Boris; Adamsen, Tom Christian Holm; Chang, Yu-Fen; Kosinski, Pawel Jan; Hoffmann, Alex Christian (IOP, 2017)
      Positron emission particle tracking (PEPT) is a novel experimental technique for non-invasive inspection of industrial fluid/particle flows. The method is based on the dynamic positioning of a positron-emitting, flowing ...
      Journal article
    • A Nonlinear Differential Equation Solver With Potential Application to Pelton Turbines 

      Tveit, Jesper (The University of Bergen, 2016-05-02)
      The focus in this thesis is the development and implementation of a new method for solving nonlinear differential equations on a grid. The method’s novelty lies in the way it represents continuously distributed variables ...
      Doctoral thesis
    • Nonlinear echoes from encapsulated antibubbles 

      Johansen, Kristoffer; Kotopoulis, Spiros; Poortinga, Albert T.; Postema, Michiel (Elsevier B.V., 2015-09-19)
      An antibubble consists of a liquid droplet, surrounded by a gas, often with an encapsulating shell. Antibubbles of microscopic sizes suspended in fluids are acoustically active in the ultrasonic range. Antibubbles have ...
      Journal article
    • North-south asymmetries in cold plasma density in the magnetotail lobes: Cluster observations 

      Haaland, Stein; Lybekk, Bjørn; Maes, Lukas; Laundal, Karl Magnus; Pedersen, Amund; Tenfjord, Paul; Ohma, Anders; Østgaard, Nikolai; Reistad, Jone Peter; Snekvik, Kristian (American Geophysical Union, 2017-01)
      In this paper, we present observations of cold (0–70 eV) plasma density in the magnetotail lobes. The observations and results are based on 16 years of Cluster observation of spacecraft potential measurements converted ...
      Journal article
    • North–South Asymmetries in Earth’s Magnetic Field. Effects on High-Latitude Geospace 

      Laundal, Karl Magnus; Cnossen, Ingrid; Milan, Stephen Eric; Haaland, Stein; Coxon, John C.; Pedatella, Nick; Förster, Matthias; Reistad, Jone Peter (Springer, 2017-03)
      The solar-wind magnetosphere interaction primarily occurs at altitudes where the dipole component of Earth’s magnetic field is dominating. The disturbances that are created in this interaction propagate along magnetic field ...
      Journal article
    • A Novel Approach to Acoustic Liquid Density Measurements Using a Buffer Rod Based Measuring Cell 

      Bjørndal, Erlend; Frøysa, Kjell-Eivind; Engeseth, Svein-Atle (IEEE, 2008-08-08)
      A new method for measuring the pressure reflection coefficient in a buffer rod configuration is presented, together with experimental results for acoustic measurements of the liquid density, based on the measurement of the ...
      Peer reviewedJournal article
    • A novel synthesis of tin oxide thin films by the sol-gel process for optoelectronic applications 

      Maharajan, Marikkannan; Venkatachalapathy, Vishnukanthan; Asokan, Vijayshankar; Jeyanthinath, Mayandi; Pearce, Joshua M. (AIP, 2015)
      A novel and simple chemical method based on sol-gel processing was proposed to deposit metastable orthorhombic tin oxide (SnOx) thin films on glass substrates at room temperature. The resultant samples are labeled according ...
      Journal article
    • A novel synthesis of tin oxide thin films by the sol-gel process for optoelectronic applications 

      Maharajan, Marikkannan; Venkatachalapathy, Vishnukanthan; Asokan, Vijayshankar; Jeyanthinath, Mayandi; Pearce, Joshua M. (AIP Publishing, 2015-02-13)
      A novel and simple chemical method based on sol-gel processing was proposed to deposit metastable orthorhombic tin oxide (SnOx) thin films on glass substrates at room temperature. The resultant samples are labeled according ...
      Journal article
    • Nuclear methods for subsea fluid characterization 

      Meriç, Ilker (The University of Bergen, 2012-06-20)
      Doctoral thesis
    • Nuclear modification factor for charged pions and protons at forward rapidity in central Au plus Au collisions at 200 GeV 

      Arsene, Ionut Christian; Bearden, Ian G.; Beavis, Dana; Besliu, Calin; Budick, Barton; Bøggild, Hans; Boggild, H; Chasman, Chellis; Christensen, Claus Hviid; Christiansen, Peter C.; Debbe, Ramiro; Enger, Elin; Gaardhoje, Jens Jørgen; Germinario, Marco; Hagel, Krys; Holm, Anders; Ito, Hironori; Jipa, Alexandru; Jundt, Francis; Jørdre, Jens Ivar; Jorde, JI; Jørgensen, Claus E.; Jorgensen, CE; Karabowicz, R.; Kim, EunJu; Kozik, Tomasz; Larsen, Truls Martin; Lee, Jeong-Hun; Lee, Yung K.; Lindal, Svein; Lystad, G; Lystad, Ronny; Løvhøiden, Gunnar; Majka, Zbigniew; Makeev, Andrew; Mikelsen, Mads; Murray, Michael J.; Natowitz, Joseph B.; Nielsen, Børge Svane; Ouerdane, Djamel; Planeta, Roman; Rami, Fouad; Ristea, Carmen; Ristea, Oana; Røhrich, Dieter; Rhrich, D; Samset, Bjørn Hallvard; Sandberg, Daniel; Sanders, Stephen J.; Staszel, Pawel; Tveter, Trine Spedstad; Videbaek, F; Videbæk, Flemming; Wada, Ryoichi; Yang, Hongyan; Yin, Zhongbaao; Zgură, Ion Sorin; Zgura, IS (Elsevier, 2007-07)
      We present spectra of charged pions and protons in 0–10% central Au + Au collisions at View the MathML sourcesNN=200 GeV at mid-rapidity (y=0y=0) and forward pseudorapidity (η=2.2η=2.2) measured with the BRAHMS experiment ...
      Journal article
    • The number of link and cluster states: the core of the 2D q state Potts model 

      Hove, Joakim (Institute of Physics Publishing, 2005-11-30)
      Due to Fortuin and Kastelyin the q state Potts model has a representation as a sum over random graphs, generalizing the Potts model to arbitrary q is based on this representation. A key element of the random cluster ...
      Journal articlePeer reviewed