• 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-DOMAIN 1D PARTICLE-REACTOR MODEL FOR PACKED BED REACTOR REACTOR APPLICATIONS 

      Tabib, Mandar; Cloete, Schalk Willem Petrus; Morud, John; Lysberg, Magne; Amini, Shahriar (Chapter, 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 ...
    • 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; Conference object, 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 ...
    • Aluminium Filtration by Bonded Particle Filters 

      Kvithyld, Anne; Syvertsen, Martin; Bao, Sarina; Eriksen, Ulrik Aalborg; Johansen, Inge; Gundersen, Eilif; Akhtar, Shahid; Haugen, Terje; Gihleengen, Britt Elin (The Minerals, Metals & Materials Series;2367-1181, Chapter, 2019)
      Non-metallic inclusions such as oxides, borides and carbides in aluminium melts are a major cause of product failure during both processing and use. To remove these inclusions, molten aluminium is usually filtered through ...
    • Artificial Intelligence for Well Integrity Monitoring Based on EM Data 

      Hosseini, Seyed Ehsan; Zonetti, Simone; Romdhane, Anouar; Dupuy, Bastien; Arntsen, Børge (SINTEF Proceedings;7, Chapter; Peer reviewed; Conference object, 2021)
      Monitoring of integrity of plugged and abandoned (P&A'ed) wells is of interest for the oil and gas industry and for CO2 storage. The purpose of this study is to develop artificial intelligence (AI)-based approaches to ...
    • Beryllium Reduction Potential in AlMg Cast Alloys 

      Steglich, Jan; Basa, Alexandra; Kvithyld, Anne; Smith, Nicholas Albert; Zerbin, Ines (The Minerals, Metals & Materials Series;2367-1181, Chapter; Peer reviewed, 2020)
      Beryllium is used in many aluminium-magnesium alloys to minimize molten metal oxidation and oxide entrainment. As beryllium containing dust and fumes have detrimental effects on health, its use has to be limited. The ...
    • Calibration of Pipeline Steel Model for Computational Running Ductile Fracture Assessment 

      Gruben, Gaute; Dumoulin, Stephane; Nordhagen, Håkon Ottar; Hammer, Morten; Munkejord, Svend Tollak (ISOPE - International Offshore and Polar Engineering Conference. Proceedings;29, Chapter; Peer reviewed, 2019)
      A novel fracture calibration method is presented for material models applied in finite element analysis of pipeline steels exposed to running ductile fracture. The calibration is based on the drop-weight tear test which ...
    • A cartesian cut-cell method, based on formal volume averaging of mass, momentum equations 

      Dang, Son Tung; Johansen, Stein Tore; Meese, Ernst A. (SINTEF proceedings;2387-4295, Chapter; Peer reviewed, 2017)
      Simulation of multiphase flows are generally treated by various classes of Eulerian methods, Lagrangian methods and various combinations of these. In the SIMCOFLOW initiative we have set out to develop a framework for ...
    • 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 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 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)
    • 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 ...
    • Charcoal and Use of Green Binder for Use in Carbon Anodes in the Aluminium Industry 

      Sommerseth, Camilla; Darell, Ove; Øye, Bjarte Arne; Støre, Anne; Rørvik, Stein (The Minerals, Metals & Materials Series;2367-1181, Chapter; Peer reviewed, 2020)
      Carbon anodes for aluminium production are produced from calcined petroleum coke (CPC), recycled anode butts and coal tar pitch (CTP). The CO2 produced during anode consumption contributes to a substantial amount of the ...
    • Cleaning of polycyclic aromatic hydrocarbons (PAH) obtained from ferroalloys plant 

      Panjwani, Balram; Andersson, Stefan; Wittgens, Bernd; Olsen, Jan Erik (Chapter, 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. ...
    • 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. ...
    • CO2 Capture Opportunities in the Norwegian Silicon Industry 

      Mathisen, Anette; Normann, Fredrik; Biermann, Maximilian; Skagestad, Ragnhild; Haug, Alf Tore (SINTEF Proceedings;4, Chapter; Conference object; Peer reviewed, 2019)
      CO2 capture opportunities for the Norwegian silicon industry have been assessed through a techno-economic investigation. Two silicon plants have been studied for integration with a split-flow MEA-based CO2 capture plant. ...
    • CO2 Capture with Structured Sorbents Containing Multiwalled Carbon Nano Tubes and Polyethyleneimine (PEI) 

      Krishnamurthy, Shreenath; Blom, Richard; Andreassen, Kari Anne; Grande, Carlos; Middelkoop, Vesna; Rombouts, Marleen; Borras, Adolfo Benedito (SINTEF Proceedings;7, Chapter; Peer reviewed; Conference object, 2021)
      In this work monolithic adsorbents containing polyethyleneimine (PEI) and multiwalled carbon nanotubes obtained by 3D printing. CO2 and N2 isotherms were measured using a commercial volumetric apparatus. Breakthrough ...
    • Combined calcination and CO2 capture in cement clinker production by use of electrical energy 

      Tokheim, Lars-Andre; Mathisen, Anette; Øi, Lars Erik; Jayarathna, Chameera; Eldrup, Nils Henrik; Gautestad, Tor (SINTEF proceedings;4, Chapter; Peer reviewed, 2019)
      The technical feasibility of electrifying the calcination process in a precalciner cement kiln system was assessed by studying different electrification concepts. Resistance-based heating was selected as it requires no CO2 ...
    • Combined Calcination and CO2 Capture in Cement Clinker Production by Use Of Electrical Energy 

      Tokheim, Lars-André; Mathisen, Anette; Øi, Lars Erik; Jayarathna, Chameera; Eldrup, Nils; Gautestad, Tor (SINTEF Proceedings;4, Chapter; Conference object; Peer reviewed, 2019)
      The technical feasibility of electrifying the calcination process in a precalciner cement kiln system was assessed by studying different electrification concepts. Resistance-based heating was selected as it requires no CO2 ...