Blar i Fakultet for teknologi, naturvitenskap og maritime fag på tittel

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    • Near Well Simulation and Modelling of Oil Production From Heavy Oil Reservoirs 

      Malagalage, Anjana; Halvorsen, Britt (Conference object; Peer reviewed, 2015-11-25)
      Heavy oil reservoirs cover up two third of the world's hydrocarbon reservoirs. Even though it is vast energy resource, heavy oil recovery is not considered economical due to its high viscous properties. Generally horizontal ...

    • Near Well Simulation of CO2 Injection for Enhanced Oil Recovery (EOR) 

      Chathurangani, L.B.J.; Halvorsen, Britt (Journal article; Peer reviewed, 2015-11-25)
      A major challenge in oil industry is the declining oil production and the relatively low recovery rate. Estimates show that although the oil is localized and mobile, more than half of the oil is remaining in the reservoir ...

    • Near Well Simulation of Extra-Heavy Oil Production Using SAGD 

      Kou, Guandong; Halvorsen, Britt (Conference object; Peer reviewed, 2015-11-25)
      Heavy oil and bitumen represent a massive world resource more than twice the size of global reserves of light or conventional oil. In reservoirs with extra heavy oil and bitumen, thermal methods are used to reduce the oil ...

    • Near-well simulation of oil production from a horizontal well with ICD and AICD completions in the Johan Sverdrup field using OLGA/ROCX 

      Moradi, Ali; Moldestad, Britt Margrethe Emilie (Journal article; Peer reviewed, 2020)
      One of the main principles of improving oil recovery is maximizing the contact area between the well and the reservoir. To achieve this purpose especially in reservoirs with a thin oil column, long horizontal wells are ...

    • Nearwell Simulation of a horizontal well in Atlanta Field in Brazil with AICV® completion using OLGA/Rocx 

      Aparecida Da Silva, Katia; Halvorsen, Britt (Journal article; Peer reviewed, 2015-11-25)
      Brazil has special attention in the world oil scenario due its recent findings of oil reservoirs. Most of these reservoirs are heavy oil. The increasing energy consumption and discovery of heavy oil reservoirs require more ...

    • The Need for Systems Awareness to Support Early-Phase Decision-Making—A Study from the Norwegian Energy Industry 

      Engen, Siv; Falk, Kristin; Muller, Gerrit (Peer reviewed; Journal article, 2021)
      In this paper, we explore the need to improve systems awareness to support early-phase decision-making. This research uses the Norwegian energy industry as context. This industry deals with highly complex engineering systems ...

    • NEQ rate based modeling of an absorption column for post combustion CO2 capturing 

      Jayarathna, Sanoja A.; Lie, Bernt; Melaaen, Morten Christian (Journal article; Peer reviewed, 2011-04-01)
      Post combustion CO2 capture via absorption into aqueous alkanolamine systems is considered to be the most mature and potential technique for CO2 removal from the power plants' exhaust gases. Modeling and simulation of such ...

    • Net-baryon fluctuations measured with ALICE at the CERN LHC 

      Acharya, Shreyasi; Adam, Jaroslav; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Nazeer; Ahn, Sang Un; Aiola, Salvatore; Akindinov, Alexander; Alam, Sk Noor; Alba, José Luis Bazo; Aleksandrov, Dimitry; Allesandro, B.; 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; Lindal, Svein; Lønne, Per-Ivar; Mahmood, Sohail Musa; Milosevic, Jovan; Nesbø, Simon Voigt; Nystrand, Joakim; Rehman, Attiq ur; Richter, Matthias; 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; ALICE, Collaboration (Journal article; Peer reviewed, 2017)
      First experimental results are presented on event-by-event net-proton fluctuation measurements in Pb- Pb collisions at √sNN = 2.76 TeV, recorded by the ALICE detector at the CERN LHC. The ALICE detector is well suited for ...

    • Neutral meson production and correlation with charged hadrons in pp and Pb-Pb collisions with the ALICE experiment at the LHC 

      Acharya, Shreyasi; Adam, Jaroslav; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Nazeer; Ahn, Sang Un; 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; Lindal, Svein; Lønne, Per-Ivar; Mahmood, Sohail Musa; Milosevic, Jovan; Nesbø, Simon Voigt; Nystrand, Joakim; Rehman, Attiq ur; Richter, Matthias; 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; De Albuquerque, Danilo Silva; Aleksandrov, Dimitry; Allesandro, B.; ALICE, Collaboration (Journal article; Peer reviewed, 2017)
      Among the probes used to investigate the properties of the Quark-Gluon Plasma, the measurement of the energy loss of high-energy partons can be used to put constraints on energy-loss models and to ultimately access medium ...

    • Neutral pion and η meson production at midrapidity in Pb-Pb collisions at √sNN=2.76 TeV 

      Acharya, Shreyasi; Acosta, Fernando T.; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahn, Sang Un; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Fionda, Fiorella Maria Celeste; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Zhang, Hui; Zhou, Zhuo; Zhu, Hongsheng; Arsene, Ionut Cristian; Bätzing, Paul Christoph; Dordic, Olja; Lardeux, Antoine Xavier; Lindal, Svein; Mahmood, Sohail Musa; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Langøy, Rune; Lien, Jørgen; Aiola, Salvatore; Akindinov, Alexander; Al-Turany, Mohammed; Alam, Sk Noor; De Albuquerque, Danilo Silva; Aleksandrov, Dimitry; ALICE, Collaboration (Journal article; Peer reviewed, 2018)
      Neutral pion and η meson production in the transverse momentum range 1 < pT < 20 GeV/c have been measured at midrapidity by the ALICE experiment at the Large Hadron Collider (LHC) in central and semicentral Pb-Pb collisions ...

    • Neutral pion and η meson production in p–Pb collisions at √sNN = 5.02 TeV 

      Acharya, Shreyasi; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Shafiq F.; Ahn, Sang Un; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Fionda, Fiorella Maria Celeste; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Zhang, Hui; Zhou, Zhuo; Zhu, Hongsheng; Arsene, Ionut Christian; Bätzing, Paul Christoph; Dordic, Olja; Lardeux, Antoine Xavier; Lindal, Svein; Mahmood, Sohail Musa; Richter, Matthias Rudolph; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Langøy, Rune; Lien, Jørgen; Aiola, Salvatore; Akindinov, Alexander; Al-Turany, Mohammed; De Albuquerque, Danilo Silva; Aleksandrov, Dimitry; Alessandro, Bruno; Alfaro Molina, José Rubén; ALICE, Collaboration (Journal article; Peer reviewed, 2018)
      Neutral pion and η meson invariant differential yields were measured in non-single diffractive p–Pb collisions at √sNN = 5.02 TeV with the ALICE experiment at the CERN LHC. The analysis combines results from three ...

    • Neutral pion production at midrapidity in pp and Pb–Pb collisions at √ sNN TeV 

      Abelev, Betty; Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Agnello, Michelangelo; Agostinelli, Andrea; Agrawal, Nikita; Aguilar Salazar, Saul; 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; Kanaki, Kalliopi; Liu, Lijiao; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Skjerdal, Kyrre; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Yang, Shiming; Zhou, Zhuo; 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; Ahmed, Ijaz; Ahn, Sang Un; Ahn, Sul-Ah; Aiola, Salvatore; ALICE, Collaboration (Journal article, 2014)
      Invariant yields of neutral pions at midrapidity in the transversemomentum range 0.6 < pT < 12 GeV/cmeasured in Pb–Pb collisions at √sNN = 2.76 TeV are presented for six centrality classes. The pp reference spectrumwas ...

    • A new Approach for Scaling Up from a Small Cold to a Large Hot Bed for Biomass Conversion in a Bubbling Fluidized Bed Reactor 

      Agu, Cornelius Emeka; Thapa, Rajan Kumar; Pfeifer, Christoph; Tokheim, Lars-Andre; Moldestad, Britt Margrethe Emilie (Peer reviewed; Journal article, 2020)
      Bubbling fluidized beds are simple and attractive means of achieving efficient conversion of biomass if particle segregation and the associated effects are minimized. To improve the knowledge of fluidized bed reactor design, ...

    • New Encapsulation Concepts for Medical Ultrasound Probes – A Heat Transfer Simulation Study 

      Do, Nu Bich Duyen; Andreassen, Erik; Edwardsen, Stephen; Lifjeld, Anders; Nguyen, Hoang-Vu; Aasmundtveit, Knut; Imenes, Kristin (Chapter, 2019)
      Thermal management is important for medical ultrasound probes to maintain optimal performance, reliability, and lifetime of the devices, as well as to avoid heat-induced damage to the patients’ tissue. This paper presents ...

    • Next-Day Bitcoin Price Forecast 

      Munim, Ziaul Haque; Shakil, Mohammad Hassan; Alon, Ilan (Peer reviewed; Journal article, 2019)
      This study analyzes forecasts of Bitcoin price using the autoregressive integrated moving average (ARIMA) and neural network autoregression (NNAR) models. Employing the static forecast approach, we forecast next-day Bitcoin ...

    • NMR spectroscopy applied to amine–CO2–H2O systems relevant for post-combustion CO2 capture: A review 

      Perinu, Cristina; Arstad, Bjørnar; Jens, Klaus-Joachim (Journal article; Peer reviewed, 2014)
      Nuclear Magnetic Resonance (NMR) spectroscopy is a powerful non-invasive analytical technique for chemical analyses since direct measurements at a molecular level can be performed. In this work, a survey of NMR spectroscopy ...

    • 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 ...

    • No change – no gain; The effect of age, sex, selected genes and training on physiological and performance adaptations in cross-country skiing 

      Johansen, Jan-Michael; Goleva-Fjellet, Sannija; Sunde, Arnstein; Gjerløw, Lars Erik; Skeimo, Lars Arne Fostvedt; Freberg, Baard Ingegerdsson; Sæbø, Mona; Helgerud, Jan; Støren, Øyvind (Peer reviewed; Journal article, 2020)
      The aim was to investigate the effect of training, sex, age and selected genes on physiological and performance variables and adaptations before, and during 6 months of training in well-trained cross-country skiers. ...

    • Noise handling capabilities of multivariate methods 

      Ergon, Rolf (Journal article; Peer reviewed, 2002)
      The noise handling capabilities of principal component regression (PCR) and partial least squares regression (PLSR) are somewhat disputed issues, especially regarding regressor noise. In an attempt to indicate an answer ...

    • Non-linear flow modes of identified particles in Pb-Pb collisions at √sNN = 5.02 TeV 

      Acharya, Shreyasi; Adamová, Dagmar; Adler, Clemens; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Shafiq F.; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Eikeland, Viljar Nilsen; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Grøttvik, Ola Slettevoll; Lofnes, Ingrid Mckibben; Nystrand, Joakim; Rehman, Attiq Ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Yang, Shiming; Yuan, Shiming; Zhou, Zhuo; Arsene, Ionut Cristian; Dordic, Olja; Lardeux, Antoine Xavier; Mahmood, Sohail Musa; Malik, Qasim Waheed; Neagu, Alexandra; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Langøy, Rune; Lien, Jørgen André; Ahn, Sang Un; Akindinov, Alexander; Al-Turany, Mohammed; Alam, Sk Noor; De Albuquerque, Danilo Silva; ALICE, Collaboration (Peer reviewed; Journal article, 2020)
      The pT-differential non-linear flow modes, v4,22, v5,32, v6,33 and v6,222 for π ±, K±, K0 S , p + p, Λ + Λ and φ-meson have been measured for the first time at √ sNN = 5.02 TeV in Pb-Pb collisions with the ALICE detector ...