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    • Lattice Boltzmann simulations applied to understanding the stability of multiphase interfaces 

      Periera, Gerald G. (SINTEF Proceedings;1, Chapter, 2015)
      Multiphase flow occurs in a multitude of industrial and technological situations ranging from oil and minerals recovery to microfluidics and nanofluidics. In all these cases we are interested in modelling the flow of two ...

    • Modelling of particle transport and bed-formation in pipelines 

      Narayanan, C.; Gupta, S.; Lakehal, D. (SINTEF Proceedings;1, Chapter, 2015)
      Particle transport and bed formation in gas and condensate pipelines could occur under various flow regimes, from dilute flows to high mass-loading conditions, to conditions where particle beds form in the pipeline. Proper ...

    • Comparing Euler-Euler and Euler-Lagrange based modelling approaches for gas-particle flows 

      Braun, Markus; Lamert, Markus; Ozarkar, Shailesh; Sanyal, Jay (SINTEF Proceedings;1, Chapter, 2015)
      Comparative assessment of Euler-Euler and Euler-Lagrange modelling approaches for gas-particle flows is performed by comparing their predictions against experimental data of two fluidization challenge problems put forth ...

    • CFD simulations of flow in random packed beds of spheres and cylinders: analysis of the velocity field 

      Dorai, Ferdaous; Rolland, Matthieu; Wachs, Anthony; Marcoux, Manuel; Climent, Eric (SINTEF Proceedings;1, Chapter, 2015)
      In this work, we aim to better understand the flow patterns in a random arrangement of particles that might affect local mass transfer and effective reactor performance. Using the DEM code Grains3D, spherical or cylindrical ...

    • 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. ...

    • Modelling thermal effects in the molten iron bath of the HIsmelt reduction vessel 

      Witt, Peter J.; Feng, Yuqing; Davis, Mark P. (SINTEF Proceedings;1, Chapter, 2015)
      Over a thirty year period the HIsmelt process has been developed as an alternative to the traditional blast furnace for the production of pig iron. This process involves the injection of fine iron ore and non-coking coal ...

    • Multi-scale modeling of hydrocarbon injection into the blast furnace raceway 

      Maier, C.; Jordan, C.; Thaler, C.; Harasek, M. (SINTEF Proceedings;1, Chapter, 2015)

    • Numerical model for flow in rocks composed of materials of different permeability 

      Li, R.R.; Yang, Y.S.; Pereira, G.G.; Taylor, J.A.; Clennell, M.B.; Zou, C. (SINTEF Proceedings;1, Chapter, 2015)
      In the oil and gas industry permeability measurements on rock samples give an indication of the capacity to produce the output (oil/gas etc). Permeability of small samples can be derived from x-ray Computed Tomography (CT) ...

    • CFD modelling to predict mass transfer in pulsed sieve plate extraction columns 

      Sen, Nirvik; Singh, K.K.; Patwardhan, A.W.; Mukhopadhyay, S.; Shenoy, K.T.; Mohan, S. (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      A 2D CFD-PBM based numerical model to predict interphase mass transfer in a Pulsed Sieve Plate Column (PSPC) is reported. The model is based on Euler-Euler interpenetrating continuum approach. Drag law due to Schiller and ...

    • Parallel multiphase flow software for solving the Navier‐Stokes equations 

      Al-Rashed, Fahad S.; Shariff, Maher M. (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      A code based on finite element method was built and applied on the variable density incompressible Navier-Stokes equations for accurately simulating immiscible two phase flows. The algorithm simulates the interface ...

    • Novel efficient hybrid‐DEM collision integration scheme 

      Buist, Kay A.; Seelen, Luuk J.H.; Deen, Niels G.; Padding, Johan T.; Kuipers, Hans J.A.M. (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      A hybrid collision integration scheme is introduced, benefiting from the efficient handling of binary collisions in the hard sphere scheme and the robust time scaling of the soft sphere scheme. In typical dynamic dense ...

    • Direct numerical simulation of proppant transport in a narrow channel for hydraulic fracturing application 

      Maitri, R.V.; Koimtzoglou, I.; Das, S.; Kuipers, J.A.M.; Padding, J.T.; Peters, E.A.J.F. (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      An efficient and accurate model for the direct numerical simulations (DNS) of liquid-solid flows is presented in this work. In this numerical model, fluid-solid coupling is achieved by implementing the no-slip boundary ...

    • Numerical predictions of the shape and size of the raceway zone in a blast furnace 

      Safronov, Dmitry; Richter, Andreas; Meyer, Bernd (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      A 3D transient numerical model has been developed to predict the shape and size of the raceway zone created by the force of the blast air injected through the tuyeres in the coke bed of a blast furnace. The model is based ...

    • Influence of the upstream cylinder and wave breaking point on the breaking wave forces on the downstream cylinder 

      Kamath, Arun; Alagan Chella, Mayilvahanan; Bihs, Hans; Arntsen, Øivind A. (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      The interaction of breaking waves with marine structures involves complex free surface deformation and instantaneous loading on the structural members. A typical offshore platform or a coastal structure consists of ...

    • Granular flow described by fictitious fluids: a suitable methodology for process simulations 

      Sparta, Manuel; Halvorsen, Svenn Anton (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      The flow of granular materials is often present in metallurgical reactors. Metallurgical simulations are typically multidisciplinary and the granular flow will often have a significant effect on the temperature distribution. ...

    • 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 ...

    • Using CFD analysis to optimise top submerged lance furnace geometries 

      Gwynn-Jones, Stephen; Conradie, Phil; Nikolic, Stanko; Henning, Bennie; Bakker, Martin; Joubert, Hugo; Francis, Brett (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      The gas offtake design is an important aspect of the Top Submerged Lance (TSL) furnace technology. CFD modelling has been used to investigate the gas offtake geometry to better understand and address common industrial ...

    • Validation of a rapid slag viscosity measurement by CFD 

      Vandensande, B.; Nagels, E.; Arnout, S. (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      Slag viscosity is an important property in daily process practice, as well as for modelling flows in metallurgical processes accurately. Measuring slag viscosities is a challenging task, and usually requires a specific ...

    • Use of CFD as a design tool for a phospheric acid plant cooling pond 

      Davailles, Aurelien; Devynck, Sylvain (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      Phosphate fertilizer plants are installations constantly evolving which make their design a challenging task. Phosphogypsum, a by-product of the manufacture of phosphoric acid, is piled up, forming stacks which may ...

    • Numerical simulations of turbulent liquid‐liquid dispersions with quadrature‐based moment methods 

      Buffo, Antonio; Li, Dongyue; Podgorska, Wioletta; Vanni, Marco; Marchisio, Daniele L. (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      The accurate description of droplet dynamics in turbulent liquidliquid dispersions is of great importance in many industrial applications, especially when the economy of the process is determined by the involved mass ...