Browsing SINTEF by Title

Now showing items 1344-1363 of 10126

    • CFD based study of dense medium drum separation processes 

      Eggers, Arne; Baelmans, Martine; Vanierschot, Maarten (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      Dense Medium Drum (DMD) separation is applied particularly in the coal and recycling industries. Characteristic of the process is a separation based on density, driven by the buoyancy and gravitational forces acting on an ...

    • CFD Erosion Modeling of Blind Tees 

      Sanchis, Arnaud; Skorgen, Alexander (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      In subsea components such as Production Trees (XT) where the production flow path is machined out of steel blocks, the flow changes direction abruptly at blind tees or sharp elbows, causing increased erosion risks compared ...

    • CFD modeling of a commercial‐size circle‐draft biomass gasifier 

      Liu, Hui; Cattolica, Robert J.; Seiser, Reinhard; Liao, Chang-hsien; Summers, Matthew (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      This work was focused on a commercial-size (2MWth.) circle-draft biomass gasifier. In this work a threedimensional transient CFD (computational fluid dynamics) model was established to simulate the circledraft biomass ...

    • 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 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 ...

    • CFD modelling of an accidental release of a methane and hydrogen sulfide mixture in an offshore platform 

      Ledda, Gianmario; Moscatello, Alberto; Uggenti, Anna Chiara; Gerboni, Raffaella; Carpignano, Andrea (SINTEF Proceedings;6, Chapter; Peer reviewed, 2020)
      Oil & Gas plants are complex systems involving dangerous substances, potential origin of severe accidental scenarios. Therefore, according to Directive 2013/30/EU, a Risk Assessment (RA) is mandatory. A fundamental step ...

    • 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 ...

    • 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 ...

    • CFD Simulation Delivered as SaaS for Building and HVAC Design Testing 

      Wilde, Jon (SINTEF Proceedings;5, Chapter; Peer reviewed; Conference object, 2020)
      This paper discusses the application of cloud-based simulation in the early stages of an HVAC and building design process. Its goal is to show the benefits of the technology through a thermal comfort case study. The ...

    • CFD simulation of the droplet size distribution of liquid‐liquid emulsions in stirred tank reactors 

      Farzad, Reza; Schneiderbauer, Simon (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      Predicting the drop size distribution (DSD) is essential in particulate flows such as emulsions as it affects mass transfer and heat transfer. In the current work we developed a novel numerical method to account for droplet ...

    • CFD SIMULATIONS OF AN ADDITIONAL H2 COMBUSTOR FOR IMPROVING EFFICIENCY IN CHEMICAL LOOPING COMBUSTION POWER PLANTS 

      Scharff, Tijmen; Cloete, Schalk; Cloete, Jan Hendrik; Bastiaans, Rob (SINTEF Proceedings;6, Chapter; Peer reviewed, 2020)
      Chemical looping combustion (CLC) is a promising technology for hydrocarbon fuel combustion with integrated CO2 capture. The CLC process imposes almost no direct energy penalty for separating CO2, but a large indirect ...

    • 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 ...

    • 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)

    • CFD Study of Diffuse Ceiling Ventilation through Perforated Ceiling Panels 

      Nocente, Alessandro; Arslan, Tufan; Grynning, Steinar; Goia, Francesco (Peer reviewed; Journal article, 2020)
      Diffuse Ceiling Ventilation (DCV) is a promising concept to address internal air quality and thermal comfort requirements in contemporary buildings. Sound-absorbing perforated ceiling panels are common in office rooms and ...

    • A CFD Study of the Fluid Flow through Air Distribution Hoses in a Greenhouse 

      Sannan, Sigurd; Jerca, Ionut Ovidiu; Bädulescu, Liliana (Peer reviewed; Journal article, 2023)
      The indoor climate of a greenhouse provides the plants with favorable growing conditions that can result in faster growth and higher yields. Important parameters to control in a greenhouse are the temperature, the humidity, ...

    • A CFD STUDY ON THE IMPACT OF BARRIERS AND NONUNIFORMITIES ON FURNACE TAPPING 

      Olsen, Jan Erik (SINTEF Proceedings;6, Chapter; Peer reviewed, 2020)
      Tapping of slag and metal from metal producing furnaces are often inconsistent and it is difficult to predict the outcome of the process. Nonuniformities in the particle bed has been hypothesized as reasons for inconsistent ...

    • CFD-based design algorithm for CO2 ejectors 

      Ringstad, Knut Emil; Banasiak, Krzysztof; Hafner, Armin (Chapter; Peer reviewed, 2021)

    • CFD‐DEM modelling of blast furnace tapping 

      Vango, Mathias; Pirker, Stefan; Lichtenegger, Thomas (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      The campaign length of a blast furnace is limited by the hearth inner lining lifetime. In order to maximize the campaign length and ensure a good draining of hot metal and slag, a good understanding of the flow in the ...

    • CFD‐simulation of boiling in a heated pipe including flow pattern transitions using a multi‐field concept 

      Höhne, Thomas; Krepper, Eckhard; Lucas, Dirk (SINTEF Proceedings;2, Chapter; Conference object; Peer reviewed, 2017)
      The paper presents the extension of the GENTOP model for phase transfer and discusses the sub-models used. Boiling flow inside a wall heated vertical pipe is simulated by a multi-field CFD approach. Sub-cooled water ...

    • The challenge of a real, complex hybrid project 

      Nøvik, Hanne; Krogh, Espen; Stokke, Maria Kristina; Marstein, Erik Stensrud; Kong, Jiehong; Ramos, Daryl Homer (Chapter, 2023)
      This paper explores the implementation process of a hybrid power plant project (HyPP) in the Philippines' deregulated and complex energy market. SN Aboitiz Power (SNAP) owns and operates the Magat HyPP which involves ...