• A 2D sediment bed morphodynamics model for turbulent, non-Newtonian, particle-loaded flows 

      Busch, Alexander; Khatibi, Milad; Johansen, Stein Tore; Time, Rune Wiggo (Chapter, 2017)
      In petroleum drilling, cuttings transport problems, i.e. an accumulation of drilled of solids in the wellbore, are a major contributor to well downtime and have therefore been extensively researched over the years, both ...
    • A multi-scale model for oxygen carrier selection and reactor design applied to packed bed chemical looping combustion 

      Tabib, Mandar; Morud, John; Johansen, Stein Tore; Amini, Shahriar (SINTEF Proceedings;1, Chapter, 2015)
      Proper selection of a catalyst shape (or a particle shape) can improve the performance of a gas-solid packed bed reactor. The particle shape affects the packing structure and the transport phenomena within the packed bed. ...
    • A multi‐domain 1D particle‐reactor model for packed bed reactor applications 

      Tabib, Mandar; Cloete, Schalk; Morud, John; Lysberg, Magne; Amini, Shahriar (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      A validated multi-domain 1D particle-reactor model has been developed to simulate packed bed reactor operation. Two main components of the model are: (1) a particle model for simulating the radial distribution of chemical ...
    • CFD modeling of dynamic emulsion stability 

      Patil, A.V.; Johansen, S.T. (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      Assuring transport and separation of oil and water crude emulsions is of significant importance to the oil and gas industries. The crude oil, due to its profuse chemical composition, has complex dispersion and emulsion ...
    • CFD simulations of the two-phase flow of different mixtures in a closed system flow wheel 

      Roca R., Jose F.; Carneiro, Joao N.E.; Oliveira, Jose E.S.; Mo, Sjur; Fossen, Martin; Johansen, Stein T. (SINTEF Proceedings;1, Chapter, 2015)
    • Cleaning of polycyclic aromatic hydrocarbons (PAH) obtained from ferroalloys plant 

      Panjwani, Balram; Andersson, Stefan; Wittgens, Bernd; Olsen, Jan Erik (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      Polycyclic Aromatic hydrocarbons (PAHs) are organic compounds consisting of only hydrogen and aromatic carbon rings. PAHs are neutral, non-polar molecules that are produced due to incomplete combustion of organic matter. ...
    • Comparison of particle‐resolved direct numerical simulation and 1D modelling of catalytic reactions in a packed bed 

      Singhal, Arpit; Cloete, Schalk; Radi, Stefan; Quinta-Ferreira, Rosa; Amini, Shahriar (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      The work presents a comparison of catalytic gas-solid reactions in a packed bed as simulated on two widely different scales: direct numerical simulation (capable of accurately predicting transfer phenomena in and around a ...
    • Estimation of flow rates and parameters in two-phase stratified and slug flow by an ensemble kalman filter 

      Ferrari, Marco; Bonzanini, Arianna; Arioli, Gianni; Poesio, Pietro (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      Data assimilation methods were introduced to reduce production costs and to optimize processes in different industrial fields, such as oil & gas reservoir industry or transport of multiphase flows in pipelines. In flow ...
    • Governing physics of shallow and deep subsea gas release 

      Olsen, Jan Erik; Skjetne, Paal (SINTEF Proceedings;1, Chapter; Conference object; Peer reviewed, 2015)
      A modelling concept for studying the resulting bubble plume from a subsea gas release is presented. Simulation results show good consistency with available experimental data. The modelling concept is applied to assess the ...
    • Hydrodynamic investigation into a novel IC-CLC reactor concept for power production with integrated CO2 capture 

      Zaabout, Abdelghafour; Cloete, Schalk; Amini, Shahriar (SINTEF Proceedings;1, Chapter; Conference object; Peer reviewed, 2015)
      This paper presents an investigation of the hydrodynamics of a new Chemical Looping Combustion (CLC) reactor concept for power generation with integrated CO2 capture. This concept consists of an internal circulating fluidized ...
    • Modelling of interaction between turbines and terrain wakes using pragmatic approach 

      Røkenes, Kjersti; Panjwani, Balram; Lund, Berit Floor; Samseth, Jon (SINTEF Proceedings;2, Chapter, 2017)
      Kongsberg Digital (KDI) is currently developing a decision support system for wind farms (Kongsberg EmPower). The objectives of Kongsberg EmPower are to optimize the total power production from a wind farm, forecast the ...
    • Modelling of the Ferrosilicon furnace: effect of boundary conditions and burst 

      Panjwani, Balram; Olsen, Jan Erik; Wittgens, Bernd (SINTEF Proceedings;1, Chapter; Conference object; Peer reviewed, 2015)
      A by-product from the ferrosilicon process is process gas which escapes into the furnace hood were it reacts with air. The process gas mainly consists of CO with some SiO and moisture. Modeling the gas behavior inside the ...
    • On pragmatism in industrial modeling 

      Zoric, Josip; Johansen, Stein Tore; Einarsrud, Kristian Etienne; Solheim, Asbjørn (SINTEF Proceedings;1, Chapter, 2015)
      Many natural or industrial processes are of extreme complexity, and where the time- and length scales range from an atomistic level to years and kilometers. Often the processes or phenomena consist of multiple sub processes ...
    • On pragmatism in industrial modeling. Part III: Application to operational drilling 

      Johansen, Stein T.; Meese, Ernst A.; Zoric, Josip; Islam, Amunial; Martins, Dwayne W. (SINTEF Proceedings;2, Chapter, 2017)
      In this paper, we will apply the concepts of pragmatic industrial modelling to the development of a real time drilling support tool. We develop requirements to such a modelling tool, regarding both input and output, model ...
    • Progress in Applied CFD – CFD2017. Selected papers from 10th International Conference on Computational Fluid Dynamics in the Oil & Gas, Metallurgical and Process Industries 

      Johansen, Stein Tore; Olsen, Jan Erik (SINTEF Proceedings;2, Book; Peer reviewed; Conference object, 2017)
      Preface. This book contains all manuscripts approved by the reviewers and the organizing committee of the 12th International Conference on Computational Fluid Dynamics in the Oil & Gas, Metallurgical and Process Industries. ...
    • Repeatability in a multiphase pipe flow case study 

      Strand, Andreas; Brekken, Christian; Leinan, Paul Roger; Steinsland, Ingelin; Hellevik, Leif Rune (Peer reviewed; Journal article, 2021)
      A high degree of repeatability is most often an underlying assumption for research and development based on multiphase flow experiments. In this paper repeatability in multiphase flow experiments are studied through an ...
    • Simulation of two-phase viscous oil flow 

      Johansen, Stein Tore; Mo, Sjur; Kjølaas, Jørn; Brekken, Christian; Smith, Eskerud (SINTEF Proceedings;1, Chapter; Conference object; Peer reviewed, 2015)
      Multiphase flows of heavy oils and other fluids with high apparent viscosity is a particular industrial challenge. Main challenges here is that interfacial waves, atomization at the large scale gas–liquid interface as well ...
    • A standardized Approach to Multi-criteria Assessment of CCS Chains 

      Jakobsen, Jana Poplsteinova; Roussanaly, Simon; Mølnvik, Mona J.; Tangen, Grethe (Peer reviewed; Journal article, 2013)
      For a commercial Carbon Capture and Storage (CCS) chain to be successful, it must satisfy a whole range of requirements: technical, economic, environmental, safety, and societal. A comprehensive, understandable and ...
    • The Influence of Snow and Ice Coverage on the Energy Generation from Photovoltaic Solar Cells 

      Andenæs, Erlend; Jelle, Bjørn Petter; Ramlo, Kristin; Kolås, Tore; Selj, Josefine Helene Krogh; Foss, Sean Erik (Journal article; Peer reviewed, 2018)
      This literature study examines previous studies of the optical properties of snow, and attempts to tie them together with studies on the effects of shading on photovoltaic solar panels. The study presents some information ...
    • The parametric sensitivity of fluidized bed reactor simulations carried out in different flow regimes 

      Cloete, Schalk; Cloete, Jan H.; Johansen, Stein Tore; Amini, Shahriar (SINTEF Proceedings;1, Chapter; Conference object; Peer reviewed, 2015)
      Fluidized bed simulations carried out within the Kinetic Theory of Granular Flows framework utilize a number of model coefficients which are strongly case dependent and difficult to determine accurately. The most important ...