Blar i SINTEF Open på tidsskrift "Energy Procedia"

Viser treff 41-60 av 205

    • CO2 pipeline integrity: A coupled fluid-structure model using a reference equation of state for CO2 

      Aursand, Eskil; Aursand, Peder; Berstad, Torodd; Dørum, Cato; Hammer, Morten; Munkejord, Svend Tollak; Nordhagen, Håkon Ottar (Peer reviewed; Journal article, 2013)
      We present a coupled fluid-structure model to study crack propagation and crack arrest in pipelines. Numerical calculations of crack arrest, crack velocity and pressure profiles have been performed for steel pipes with an ...

    • CO2 pipeline integrity: A new evaluation methodology 

      Berstad, Torodd; Dørum, Cato; Jakobsen, Jana Poplsteinova; Kragset, Steinar; Li, Hailong; Lund, Halvor; Morin, Alexandre; Munkejord, Svend Tollak; Mølnvik, Mona Jacobsen; Nordhagen, Håkon Ottar; Østby, Erling (Peer reviewed; Journal article, 2011)
      A coupled fluid-structure model for pipeline integrity simulations has been developed. The pipe material and fracture propagation have been modelled using the finite-element method with a local fracture criterion. The ...

    • CO2 Pipeline Integrity: Comparison of a Coupled Fluid-structure Model and Uncoupled Two-curve Methods 

      Aursand, Eskil; Dørum, Cato; Hammer, Morten; Morin, Alexandre; Munkejord, Svend Tollak; Nordhagen, Håkon Ottar (Peer reviewed; Journal article, 2014)
      One challenge in CCS is related to the prevention of running-ductile fracture in CO2-carrying pipelines. Commonly used tools for ensuring crack arrest in pipelines hinge mainly on semi-empirical models, which may not be ...

    • CO2 removal at high temperature from multi-component gas stream using porous ceramic membranes infiltrated with molten carbonates 

      Fontaine, Marie-Laure; Peters, Thijs; McCann, M.; Kumakiri, Izumi; Bredesen, Rune (Peer reviewed; Journal article, 2013)
      This work reports on the investigation of CO2 selective membranes for pre-combustion and post- combustion processes, in which CO2 is extracted from multi-component gas streams at intermediate temperature (400 – 600 °C). ...

    • CO2Mix Project: Experimental Determination of Thermo Physical Properties of CO2-Rich Mixtures 

      Løvseth, Sigurd Weidemann; Skaugen, Geir; Stang, Hans Georg Jacob; Jakobsen, Jana Poplsteinova; Wilhelmsen, Øivind; Span, Roland; Wegge, Robin (Peer reviewed; Journal article, 2013)
      The CO2Mix project is established in order to fill important knowledge gaps regarding thermophysical properties of CO2-rich mixtures relevant for CCS conditioning and transport. Even small amounts of impurities can have a ...

    • Combining thermodynamic and fluid flow modelling for CO2 flow assurance 

      Munkejord, Svend Tollak; Bernstone, Christian; Clausen, Sigmund; de Koeijer, Gelein; Mølnvik, Mona J. (Journal article; Peer reviewed, 2013)
      The present paper concerns the importance of a combined modelling and experimental effort to develop physicsbased combined thermodynamic and transient flow models for CO2-transport pipelines. Such models need to handle ...

    • Comparison of different solvents from the solvent degradation rig With real samples 

      Vevelstad, Solrun Johanne; Grimstvedt, Andreas Magnar; Haugen, Geir; Kupfer, Rene; Brown, Nathan; Einbu, Aslak; Vernstad, Kai; Zahlsen, Kolbjørn (Journal article; Peer reviewed, 2017)

    • COMPOSITE: A concept for high efficiency power production with integrated CO2 capture from solid fuels 

      Larring, Yngve; Cloete, Schalk Willem Petrus; Giuffrida, Antonio; Romano, Matteo C.; Chiesa, Paolo; Morud, John; Pishahang, Mehdi; Chikukwa, Actor; Amini, Shahriar; Tobiesen, Finn Andrew (Peer reviewed; Journal article, 2017)
      The COMPOSITE concept combines packed bed chemical looping combustion (PBCLC) with chemical looping for oxygen production (CLOP) in an integrated gasification combined cycle for high efficiency power production. Detailed ...

    • Comprehensive assessment of CCS chains–Consistent and transparent methodology 

      Jakobsen, Jana Poplsteinova; Brunsvold, Amy; Husebye, Jo; Hognes, Erik Skontorp; Myhrvold, Tore; Friis-Hansen, P.; Hektor, E A; Torvanger, Asbjørn (Peer reviewed; Journal article, 2011)
      Through combining insights from engineering, natural sciences, economics, and political science, one consistent, transparent, and comprehensive analytical framework for assessing and evaluating various CCS chains is ...

    • Consequences of energy retrofitting for daylight availability in Norwegian apartments based on measurements and simulations 

      Lolli, Nicola; Haase, Matthias (Journal article; Peer reviewed, 2017)
      Substituting existing windows for highly insulated glazing systems in Norwegian residential buildings may have a strong impact during the winter season due to the reduction of daylight availability. This paper investigates ...

    • Consequences of energy retrofitting on the daylight availability in Norwegian apartments 

      Lolli, Nicola; Haase, Matthias (Journal article; Peer reviewed, 2017)
      Energy retrofitting solutions applied in residential building envelopes often consist in adding an insulation layer on the building facade and substituting the old windows with better performing ones. Such measures increase ...

    • Control system for start-up and shut-down of a floating vertical axis wind turbine 

      Svendsen, Harald Georg; Merz, Karl Otto (Peer reviewed; Journal article, 2013)
      A baseline control system for the Deepwind floating vertical axis wind turbine (VAWT) concept is analysed with em- phasis on start-up and shut-down schemes. The turbine concept includes a rotating spar with a 2-bladed rotor ...

    • Coordinated Control between Wind and Hydro Power Systems through HVDC Links 

      Endegnanew, Atsede Gualu; Øyslebø, Eirik Veirød; Huertas-Hernando, Daniel; Bakken, Bjørn Harald (Peer reviewed; Journal article, 2012)
      The main objective of this paper is to show how the control systems on wind farm turbines, HVDC cables and power generating units can be coordinated to improve power system balance in the event of a wind farm shut down due ...

    • Correlation between Acceleration and Drivetrain Load Effects for Monopile Offshore Wind Turbines 

      Rasekhi Nejad, Amir; Bachynski, Erin Elizabeth; Li, Lin; Moan, Torgeir (Journal article; Peer reviewed, 2016-09)
      This paper investigates the correlation between the tower-top axial acceleration and the load effects in drivetrain components in a monopile (bottom-fixed) offshore wind turbine. In designing offshore wind turbines, it is ...

    • Corrosion Evaluation of MEA Solutions by SEM-EDS, ICP-MS and XRD 

      Fytianos, Georgios; Ucar, Seniz; Grimstvedt, Andreas Magnar; Svendsen, Hallvard Fjøsne; Knuutila, Hanna K. (Journal article; Peer reviewed, 2016)
      The target of this work is to evaluate three analytical techniques, ICP-MS, SEM-EDS and XRD, which can be applied in corrosion monitoring of ethanolamine based post-combustion CO2 capture plants. The work is based on ...

    • Cost Optimal Retrofitting Of Shopping Malls In Europe 

      Haase, Matthias; Lolli, Nicola; Skeie, Kristian Stenerud; Noris, Federico (Conference object; Peer reviewed, 2015)
      The aim of this study was to assess the possible retrofitting actions with a cost-optimal vision for shopping mall managers. Cost optimization was analysed with state-of-the-art evaluation tools, taking initial, operational ...

    • DeepWind-from Idea to 5 MW Concept 

      Paulsen, Uwe S.; Madsen, Helge A.; Kragh, Knud A.; Nielsen, Per H.; Baran, I; Hattel, Jesper; Ritchie, Ewen; Leban, Krisztina; Svendsen, Harald Georg; Berthelsen, Petter Andreas (Journal article; Peer reviewed, 2014)
      The DeepWind concept has been described previously on challenges and potentials, this new offshore floating technology can offer to the wind industry [1]. The paper describes state of the art design improvements, new ...

    • Degradation and emission results of amine plant operations from MEA testing at the CO2 technology centre Mongstad 

      Morken, Anne Kolstad; Pedersen, Steinar; Kleppe, Eirik Romslo; Wisthaler, Armin; Vernstad, Kai; Ullestad, Øyvind; Flø, Nina Enaasen; Faramarzi, Leila; Hamborg, Espen Steinseth (Peer reviewed; Journal article, 2017)
      In 2015, the CO2 Technology Centre Mongstad (TCM DA), operated a test campaign using aqueous monoethanolamine (MEA) solvent at 30 wt%. The main objective was to demonstrate and document the performance of the TCM DA Amine ...

    • Demonstrating the impact of bidirectional coupling on the performance of an ocean-met model 

      Rasheed, Adil; Süld, Jakob Kristoffer; Tabib, Mandar; Kvamsdal, Trond; Kristiansen, Jørn (Journal article; Peer reviewed, 2017)
      The mass, momentum and energy fluxes between the atmosphere and ocean surface depend on the state of the ocean surface. The fluxes in turn can significantly alter the nature of the marine boundary layer and the state of ...

    • Depressurization of carbon dioxide in pipelines- Models and methods 

      Lund, Halvor; Flåtten, Tore; Munkejord, Svend Tollak (Journal article; Peer reviewed, 2011)
      A model for two-phase carbon dioxide transport with phase transfer in pipelines is presented. The stiffened-gas equation of state is used for calculating thermodynamical properties. The convergence and accuracy of two ...