Blar i SINTEF Proceedings på utgivelsesdato

Viser treff 1-20 av 402

    • 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 ...

    • Progress in Applied CFD : Selected papers from 10th International Conference on Computational Fluid Dynamics in the Oil & Gas, Metallurgical and Process Industries 

      Olsen, Jan Erik; Johansen, Stein Tore (SINTEF Proceedings;1, Book; Conference object; Peer reviewed, 2015)

    • Drop breakup modelling in turbulent flows 

      Lalanne, Benjamin; Tanguy, Sebastien; Vejrazka, Jiri; Masbernat, Olivier; Risso, Frederic (SINTEF Proceedings;1, Chapter; Conference object; Peer reviewed, 2015)
      This paper deals with drop and bubble break-up modelling in turbulent flows. We consider the case where the drop/bubble slip velocity is smaller than or of the order of the turbulent velocity scales, or when the drop/bubble ...

    • State of the art in mapping schemes for dilute and dense Euler-Lagrange simulations 

      Radl, Stefan; Gonzales, Begona C.; Goniva, Christoph; Pirker, Stefan (SINTEF Proceedings;1, Chapter; Conference object; Peer reviewed, 2015)
      Euler-Lagrange (EL) simulations are an extremely important tool for academia and industry to better understand gas-particle flows. We present simulation results for various gas-particle flow configurations using a variety ...

    • 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 ...

    • 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)

    • 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 ...

    • Modelling argon injection in continuous casting of steel by the DPM+VOF technique 

      Ramirez Lopez, Pavel Ernesto; Jalali, Pooria Nazem; Sjöström, Ulf; Nilsson, Christer (SINTEF Proceedings;1, Chapter; Conference object; Peer reviewed, 2015)
      An advanced numerical model able to predict transiently the multiphase flow, heat transfer and solidification in a Continuous Casting mould based on the Volume of Fluid Method (VOF) in combination with the tracking of ...

    • 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 ...

    • Pragmatic CFD modelling approaches to complex multiphase processes 

      Schwarz, M. Philip; Feng, Yuqing (SINTEF Proceedings;1, Chapter; Conference object; Peer reviewed, 2015)
      Modelling of complex multiphase processes in the minerals and energy resources industries requires a balance between the pursuit for detail and recognition of computational resource limitations, if it is to lead to effective ...

    • 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 ...

    • An enhanced front tracking method featuring volume conservative remeshing and mass transfer 

      Roghair, Ivo; Van Sint Annaland, Martin; Kuipers, Hans (SINTEF Proceedings;1, Chapter; Conference object; Peer reviewed, 2015)

    • CFD modeling of oil-water separation efficiency in three-phase separators 

      Oshinowo, Lanre; Elsaadawy, Ehab; Vilagines, Regis (SINTEF Proceedings;1, Chapter; Conference object; Peer reviewed, 2015)
      Variations in oil properties or water content influence the rate of crude oil-water separation. This presents a challenge for separator operations when conditions change as fields mature, and for the design of new internals ...

    • 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 ...

    • CFD modelling of gas entrainment at a propagating slug front 

      Hua, Jinsong; Nordbø, Jørgen; Foss, Martin (SINTEF Proceedings;1, Chapter, 2015)
      Slug flow is encountered frequently during multiphase fluid transport in pipes. The gas entrainment process at a slug front significantly affects the hydrodynamic behaviour of slug flows. Due to the complexity of the flow ...

    • Multi-scale process models to enable the embedding of CFD derived functions: Curtain drag in flighted rotary dryers 

      Lee, Andrew; Sheehan, Madoc; Schneider, Philip (SINTEF Proceedings;1, Chapter, 2015)
      Flighted rotary dryers are large industrial devices which are commonly used to dry mineral ores and mineral concentrates, as well as other valuable commodity products. They are high capital cost units as well as large ...

    • Prediction of mass transfer between liquid steel and slag at continuous casting mold 

      Gardin, Pascal; Gauthier, Segolene; Vincent, Stephane (SINTEF Proceedings;1, Chapter, 2015)
      For the prediction of steel desulphurization and dephosphorization or the evolution of slag composition at continuous casting mould, mass transfer between two immiscible fluids in a turbulent situation should be calculated. ...

    • A Baseline model for monodisperse bubbly flows 

      Rzehak, Roland; Krepper, Eckhard; Ziegenhein, Thomas; Lucas, Dirk (SINTEF Proceedings;1, Chapter, 2015)
      For practical applications the Euler-Euler two-fluid model relies on suitable closure relations describing interfacial exchange processes. The quest for models with a broad range of applicability allowing predictive ...

    • A six chemical species CFD model of alumina reduction in a Hall-Héroult cell 

      Witt, Peter J.; Feng, Yuqing; Snook, Graeme A.; Eick, Ingo; Cooksey, Mark (SINTEF Proceedings;1, Chapter, 2015)
      The industrial process for producing primary aluminium metal is the reduction of powdered alumina in a Hall-Héroult reduction cell. These cells operate at temperatures above 940 °C with a highly corrosive electrolyte making ...

    • Cool down simulations of subsea equipment 

      Jensen, Atle; Grafsrønningen, Stig (SINTEF Proceedings;1, Chapter, 2015)
      Experiments and numerical conjugate heat transfer simulations are performed on a simple T-pipe geometry. The T-pipe geometry is partially insulated and mimics subsea equipment which is subject to cool-down after a production ...