Blar i SINTEF Industri på forfatter "Johansen, Stein Tore"
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On the validity of the two-fluid-KTGF approach for dense gravity-driven granular flows as implemented in ANSYS Fluent R17.2
Busch, Alexander; Johansen, Stein Tore (Peer reviewed; Journal article, 2020)( Engelsk ) As a subproblem of solid transport in wellbores, we have investigated the cliff collapse problem by means of the Two-Fluid-Model (TFM), where the rheological description of the second phase (sand) is governed ... -
Performance evaluation of a complete Lagrangian KTGF approach for dilute granular flow modelling
Cloete, Schalk; Johansen, Stein Tore; Amini, Shahriar (Peer reviewed; Journal article, 2012)Finely resolved gas–solid flow simulations were carried out using an improved Lagrangian method known as the dense discrete phase model (DDPM). The DDPM differs from the traditional Eulerian two fluid model (TFM) approach ... -
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. ... -
Rheological characterization of Polyanionic Cellulose solutions with application to drilling fluids and cuttings transport modeling
Busch, Alexander; Myrseth, Velaug; Khatibi, Milad; Skjetne, Paal; Hovda, Sigve; Johansen, Stein Tore (Journal article; Peer reviewed, 2018)In petroleum drilling, aqueous Polyanionic Cellulose solutions (PAC) are often used as a drilling fluid model system in experimental laboratory studies to investigate cuttings transport. Cuttings transport refers to the ... -
A simulation concept for generic simulation of multi-material flow using staggered cartesian grids
Meese, Ernst A.; Johansen, Stein Tore (SINTEF proceedings;2387-4295, Chapter; Peer reviewed, 2017)Simulation of multiphase flows is 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 ... -
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 ... -
Soft: a framework for semantic interoperability of scientific software
Hagelien, Thomas Fjæstad; Chesnokov, Andrey; Johansen, Stein Tore; Meese, Ernst A.; Løvfall, Bjørn Tore (Chapter, 2017-06)In this paper we present our strategy and implementation of a datacentric modelling framework (SOFT, SINTEF Open Framework and Tools) with focus on information interchange in throughprocess and multiscale applications. ... -
Soft: a framework for semantic interoperability of scientific software
Hagelien, Thomas Fjæstad; Chesnokov, Andrey; Johansen, Stein Tore; Meese, Ernst A.; Løvfall, Bjørn Tore (SINTEF proceedings;2387-4295, Chapter; Peer reviewed, 2017)In this paper we present our strategy and implementation of a datacentric modelling framework (SOFT, SINTEF Open Framework and Tools) with focus on information interchange in throughprocess and multiscale applications. ... -
SOFT: A FRAMEWORK FOR SEMANTIC INTEROPERABILITY OF SCIENTIFIC SOFTWARE
Hagelien, Thomas Fjæstad; Chesnokov, Andrey; Johansen, Stein Tore; Meese, Ernst A.; Løvfall, Bjørn Tore (SINTEF proceedings;2, Chapter, 2017)In this paper we present our strategy and implementation of a datacentric modelling framework (SOFT, SINTEF Open Framework and Tools) with focus on information interchange in throughprocess and multiscale applications. ... -
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 ... -
VLES turbulence model for an Eulerian–Lagrangian modeling concept for bubble plumes
Olsen, Jan Erik; Skjetne, Paal; Johansen, Stein Tore (Peer reviewed; Journal article, 2017)Traditional Reynolds-averaged Navier–Stokes (RANS) approaches to turbulence modeling, such as the k-ϵ model, have some well-known shortcomings when modeling transient flow phenomena. To mitigate this, a filtered URANS model ...