Recent Submissions

  • Centrality, rapidity and transverse momentum dependence of J/ψ suppression in Pb-Pb collisions at √sNN= 2.76TeV 

    Alme, Johan; Erdal, Hege Austrheim; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Altinpinar, Sedat; Djuvsland, Øystein; Fehlker, Dominik; Haaland, Øystein Senneset; Huang, Meidana; Langøy, Rune; Lien, Jørgen; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røhrich, Dieter; Skjerdal, Kyrre; Ullaland, Kjetil; Wagner, Boris; Yang, Shiming; Arsene, Ionut Christian; Bätzing, Paul Christoph; Dordic, Olja; Eyyubova, Gyulnara; Lindal, Svein; Milosevic, Jovan; Qvigstad, Henrik; Richter, Matthias Rudolph; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Abelev, Betty; Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agocs, Andreas Gabor; Agostinelli, Andrea; Ahammed, Zubayer; Ahmad, Nazeer; Ahmad Masoodi, Arshar; Ahn, Sang Un; Ahn, Sul-Ah; Ajaz, Muhammad; Akindinov, Alexander; Aleksandrov, Dimitry; Alessandro, Bruno; Alici, Andrea; Alkin, Anton; ALICE, Collaboration (Journal article; Peer reviewed, 2014)
    The inclusive [?] nuclear modification factor ([?]) in Pb–Pb collisions at root snn=2.76 TeV has been measured by ALICE as a function of centrality in the e+e- decay channel at mid-rapidity ([?]) and as a function of ...
  • Centrality dependence of the pseudorapidity density distribution for charged particles in Pb-Pb collisions at root s(NN)=2.76 TeV 

    Alme, Johan; Erdal, Hege Austrheim; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Altinpinar, Sedat; Djuvsland, Øystein; Fehlker, Dominik; Haaland, Øystein Senneset; Huang, Meidana; Langøy, Rune; Lien, Jørgen; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røed, Ketil; Røhrich, Dieter; Skjerdal, Kyrre; Ullaland, Kjetil; Wagner, Boris; Yang, Shiming; Bätzing, Paul Christoph; Dordic, Olja; Eyyubova, Gyulnara; Kværnø, Henning; Lindal, Svein; Løvhøiden, Gunnar; Milosevic, Jovan; Nilsson, Mads Stormo; Qvigstad, Henrik; Richter, Matthias; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Abbas, Eham Gamal; Abelev, Betty; Adam, Jaroslav; Adamová, Dagmar; Adare, Andrew Marshall; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agocs, Andreas Gabor; Agostinelli, Andrea; Aguilar Salazar, Saul; Ahammed, Zubayer; Ahmad, Nazeer; Ahmad Masoodi, Arshar; Ahn, Sang Un; Ajaz, Muhammad; Akindinov, Alexander; ALICE, Collaboration (Journal article; Peer reviewed, 2013)
    We present the first wide-range measurement of the charged-particle pseudorapidity density distribution, for different centralities (the 0–5%, 5–10%, 10–20%, and 20–30% most central events) in Pb–Pb collisions at root ...
  • Multiplicity dependence of the average transverse momentum in pp, p-Pb, and Pb-Pb collisions at the LHC 

    Alme, Johan; Erdal, Hege Austrheim; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Altinpinar, Sedat; Djuvsland, Øystein; Fehlker, Dominik; Haaland, Øystein Senneset; Huang, Meidana; Langøy, Rune; Lien, Jørgen; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røed, Ketil; Røhrich, Dieter; Skjerdal, Kyrre; Ullaland, Kjetil; Wagner, Boris; Yang, Shiming; Bätzing, Paul Christoph; Dordic, Olja; Eyyubova, Gyulnara; Kværnø, Henning; Lindal, Svein; Løvhøiden, Gunnar; Milosevic, Jovan; Nilsson, Mads Stormo; Qvigstad, Henrik; Richter, Matthias; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Abelev, Betty; Adam, Jaroslav; Adamová, Dagmar; Adare, Andrew Marshall; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agocs, Andreas Gabor; Agostinelli, Andrea; Ahammed, Zubayer; Ahmad, Nazeer; Ahmad Masoodi, Arshar; Ahn, Sang Un; Ajaz, Muhammad; Akindinov, Alexander; Aleksandrov, Dimitry; Alessandro, Bruno; ALICE, Collaboration (Journal article; Peer reviewed, 2013)
    The average transverse momentum 〈pT〉〈pT〉 versus the charged-particle multiplicity NchNch was measured in p–Pb collisions at a collision energy per nucleon–nucleon pair root sNN=5.02 TeV and in pp collisions at collision ...
  • Long-range angular correlations of pi, K and p in p-Pb collisions at root s(NN)=5.02 TeV 

    Alme, Johan; Erdal, Hege Austrheim; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Altinpinar, Sedat; Djuvsland, Øystein; Fehlker, Dominik; Haaland, Øystein Senneset; Huang, Meidana; Langøy, Rune; Lien, Jørgen; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røed, Ketil; Røhrich, Dieter; Skjerdal, Kyrre; Ullaland, Kjetil; Wagner, Boris; Yang, Shiming; Bätzing, Paul Christoph; Dordic, Olja; Eyyubova, Gyulnara; Lindal, Svein; Løvhøiden, Gunnar; Milosevic, Jovan; Nilsson, Mads Stormo; Qvigstad, Henrik; Richter, Matthias; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Abelev, Betty; Adam, Jaroslav; Adamová, Dagmar; Adare, Andrew Marshall; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agocs, Andreas Gabor; Agostinelli, Andrea; Ahammed, Zubayer; Ahmad, Nazeer; Ahmad Masoodi, Arshar; Ahn, Sang Un; Ajaz, Muhammad; Akindinov, Alexander; Aleksandrov, Dimitry; Alessandro, Bruno; Alici, Andrea; ALICE, Collaboration (Journal article; Peer reviewed, 2013)
    Angular correlations between unidentified charged trigger particles and various species of charged associated particles (unidentified particles, pions, kaons, protons and antiprotons) are measured by the ALICE detector in ...
  • Multi-strange baryon production at mid-rapidity in Pb-Pb collisions at √sNN=2.76 TeV 

    Alme, Johan; Erdal, Hege Austrheim; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Altinpinar, Sedat; Djuvsland, Øystein; Haaland, Øystein Senneset; Huang, Meidana; Langøy, Rune; Lien, Jørgen; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røed, Ketil; Røhrich, Dieter; Skjerdal, Kyrre; Ullaland, Kjetil; Wagner, Boris; Yang, Shiming; Arsene, Ionut Christian; Bätzing, Paul Christoph; Dordic, Olja; Eyyubova, Gyulnara; Lindal, Svein; Løvhøiden, Gunnar; Milosevic, Jovan; Nilsson, Mads Stormo; Qvigstad, Henrik; Richter, Matthias Rudolph; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Abelev, Betty; Adam, Jaroslav; Adamová, Dagmar; Adare, Andrew Marshall; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agocs, Andreas Gabor; Agostinelli, Andrea; Aguilar Salazar, Saul; Ahammed, Zubayer; Ahmad, Nazeer; Ahmad Masoodi, Arshar; Ahn, Sang Un; Ahn, Sul-Ah; Akindinov, Alexander; Aleksandrov, Dimitry; Alessandro, Bruno; ALICE, Collaboration (Journal article; Peer reviewed, 2014)
    The production of Ξ−Ξ− and Ω−Ω− baryons and their anti-particles in Pb–Pb collisions at sNN=2.76 TeV has been measured using the ALICE detector. The transverse momentum spectra at mid-rapidity (|y|[?]0.5|y|[?]0.5) for ...
  • Analyzing the effects of particle density, size, size distribution and shape for minimum fluidization velocity with Eulerian-Lagrangian CFD simulation 

    Bandara, Janitha C.; Eikeland, Marianne Sørflaten; Moldestad, Britt Margrethe Emilie (Journal article; Peer reviewed, 2017)
    Fluidized bed reactor systems are widely used due to excellent heat and mass transfer characteristics followed by uniform temperature distribution throughout the reactor volume. The importance of fluidized beds is further ...
  • Analysis of the effect of steam-to-biomass ratio in fluidized bed gasification with multiphase particle-in-cell CFD Simulation 

    Bandara, Janitha C.; Eikeland, Marianne Sørflaten; Moldestad, Britt Margrethe Emilie (Journal article; Peer reviewed, 2017)
    Biomass has been identified as a key renewable energy source to cope with upcoming environmental challenges. Gasification of biomass is becoming interested in large scale operation, especially in synthesis of liquid fuels. ...
  • Computational fluid dynamics study of flow depth in an open Venturi channel for Newtonian fluid 

    Welahettige, Prasanna Kuma; Lie, Bernt; Vågsæther, Knut (Journal article; Peer reviewed, 2017)
    Open Venturi channel flow measurement could be a cheap method to be used in drill bit pressure control. The main objective of this study is to identify the factors related with the flow depth in an open Venturi channel. A ...
  • Methane from Syngas by Anaerobic Digestion 

    Shah, Sanjay; Bergland, Wenche Hennie; Bakke, Rune (Journal article; Peer reviewed, 2017)
    Anaerobic digestion (AD) is a prominent green technology used for methane production from organic waste. Previous studies have shown that the amount of CH4 produced during anaerobic digestion can be increased by adding ...
  • Modeling N/S ratio and temperature effects in simultaneous biological denitrification and sulfide oxidation 

    Sposob, Michal; Bakke, Rune; Dinamarca, Carlos (Journal article; Peer reviewed, 2017)
    A model describing the simultaneous removal of NO3- and HS- by microorganisms is presented here. The oxidation of HS- (electron donor) can be controlled by the appropriate dosage of NO3-. The developed model, which includes ...
  • Use of Orthogonal Collocation Method for a Dynamic Model of the Flow in a Prismatic Open Channel: For Estimation Purposes 

    Jinasena, Ansanthi; Kaasa, Glenn-Ole; Sharma, Roshan (Journal article; Peer reviewed, 2017)
    The modeling and simulation of free surface flows are complex and challenging. Especially, the open channel hydraulics are often modeled by the well–known and efficient Saint–Venant equations. The possibility of efficiently ...
  • Evaluation of drag models for CFD simulation of fluidized bed biomass gasification 

    Solli, KjellArne; Agu, Cornelius Emeka (Journal article; Peer reviewed, 2017)
    Gasification of biomass into suitable feedstock has become a feasible alternative technology for reducing the use of energy feedstock from fossil sources. Usually, fluidized bed technology is used in the biomass gasification ...
  • Study of Fluidization Regimes using OpenFOAM Computational Fluid Dynamics 

    Welahettige, Prasanna; Lie, Bernt; Vågsæther, Knut; Moldestad, Britt M.E (Journal article; Peer reviewed, 2017)
    The objective of this study was using computational fluid dynamics simulation with OpenFOAM to study the fluidization properties for four types of particles classified as Geldart A, B, C and D. Fluidization regimes were ...
  • Validation of results from Barracuda® CFD modelling to predict the minimum fluidization velocity and the pressure drop of Geldart A particles 

    Jayarathna, Chameera K; Moldestad, Britt E; Tokheim, Lars Andre (Journal article; Peer reviewed, 2017)
    Fluidization characteristics such as the minimum fluidization velocity and the bed pressure drop are important for the design of an efficient fluidized bed. These characteristics can be measured experimentally, but also ...
  • Numerical modeling of the calcination process in a cement kiln system 

    Kahawalage, Amila Chandra; Melaaen, Morten Christian; Tokheim, Lars Andre (Journal article; Peer reviewed, 2017)
    The calcium carbonate decomposition into calcium oxide and carbon dioxide is a key process step in a cement kiln. The reaction requires thermal energy input, and pulverized coal is the fuel typically used for this purpose ...
  • Caught in the mesh : roads and their network-scale impediment to animal movement 

    Bischof, Richard; Steyaert, Sam; Kindberg, Jonas (Journal article; Peer reviewed, 2017)
    Roads have a pervasive multi-faceted influence on ecosystems, including pronounced impacts on wildlife movements. In recognition of the scale-transcending impacts of transportation infrastructure, ecologists have been ...
  • A Mathematical Theory for Mixing of Particulate Materials 

    Ghaderi, Ali (Doctoral thesis, 2006)
    A theoretical framework for sampling theory is developed. In this relation, concepts like mixture heterogeneity and representative samples are mathematically defined. Further, the relation between Gy's concepts of accuracy ...
  • The multifaceted role of the network orchestrator - a longitudinal study. 

    Nilsen, Etty Ragnhild; Gausdal, Anne Haugen (Journal article; Peer reviewed, 2017)
    This longitudinal empirical case study develops a new framework for the role of the orchestrator of networks of Small and Medium-sized Enterprises (SMEs). The SME network under study is followed during six years, through ...
  • Raman Spectroscopy as an Online Monitoring Tool for CO2 Capture Process: Demonstration Using a Laboratory Rig 

    Jinadasa, Migel Hewage Wathsala N.; Jens, Klaus-Joachim; Øi, Lars Erik; Halstensen, Maths (Journal article; Peer reviewed, 2017)
    A laboratory CO2 capture rig at USN was used as a demonstration plant to show the feasibility of Raman spectroscopy for online monitoring of speciation in CO2 capture process. The spectroscopy was integrated to lean and ...
  • NMR-based carbamate decomposition constants of linear primary alkanolamines for CO2 capture 

    Perinu, Cristina; Arstad, Bjørnar; Bouzga, Aud Mjærum; Svendsen, John Arild; Jens, Klaus-Joachim (Journal article; Peer reviewed, 2014)
    The amine carbamate related equilibrium (RNHCOO– + H2O ⇆ RNH2 + HCO3–) has been investigated with 13C NMR (Nuclear Magnetic Resonance) spectroscopy for a series of linear primary alkanolamines, and the apparent carbamate ...

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