Blar i SINTEF Ocean på tittel

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    • Decarbonization of maritime transport: Sustainability assessment of alternative power systems 

      Zanobetti, Francesco; Pio, Gianmaria; Jafarzadeh, Sepideh; Muñoz Ortiz, Miguel; Cozzani, Valerio (Peer reviewed; Journal article, 2023)
      The growing concern for the emission of greenhouse gases and several recent international regulations promote the introduction of innovative solutions aiming at the reduction of pollutant production in all human activities, ...

    • Decarbonizing bulk shipping combining ship design and alternative power 

      Lindstad, Elizabeth; Polic, Drazen; Rialland, Agathe Isabelle; Sandaas, Inge; Stokke, Tor (Peer reviewed; Journal article, 2022)
      The Sixth Assessment Report by the Intergovernmental Panel on Climate Change (IPCC) stresses the urgency to rapidly reduce global Greenhouse Gas (GHG) emissions to contain global warming. The main focus in the design of ...

    • Decarbonizing Maritime Transport: The Importance of Engine Technology and Regulations for LNG to serve as a Transition Fuel 

      Lindstad, Elizabeth; Eskeland, Gunnar; Rialland, Agathe Isabelle; Valland, Anders (Journal article; Peer reviewed, 2020)
      Current Greenhous gas emissions (GHG) from maritime transport represent around 3% of global anthropogenic GHG emissions and will have to be cut in half by 2050 to meet Paris agreement goals. Liquefied natural gas (LNG) is ...

    • Deep neural networks for analysis of fisheries surveillance video and automated monitoring of fish discards 

      French, Geoff; Mackiewicz, Michal; Fisher, Mark; Holah, Helen; Kilburn, Rachel; Cambell, Neil; Needle, Coby (Journal article; Peer reviewed, 2019)
      We report on the development of a computer vision system that analyses video from CCTV systems installed on fishing trawlers for the purpose of monitoring and quantifying discarded fish catch. Our system is designed to ...

    • 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 ...

    • Defining Ship Autonomy by Characteristic Factors 

      Rødseth, Ørnulf Jan (SINTEF Proceedings;3, Chapter, 2019)
      Several papers have proposed ways to define levels of autonomy (LOA), i.e. how responsibility is shared between an automation system and a human when the automation system to some degree can operate independently of the ...

    • Definition of the INO WINDMOOR 12 MW base case floating wind turbine 

      Silva de Souza, Carlos Eduardo; Berthelsen, Petter Andreas; Eliassen, Lene; Bachynski, Erin Elizabeth; Engebretsen, Espen; Haslum, Herbjørn (SINTEF Ocean rapporter;OC2020 A-044, Research report, 2021-01-08)
      WINDMOOR is a Competence Building Project (KPN), with the main objective of improving the under-standing of loads governing the mooring system design of floating wind turbines (FWTs). As a base case, the project adopts a ...

    • Deformasjon av not og Permaskjørt og krefter på fortøyning 

      Lien, Andreas Myskja; Volent, Zsolt (SINTEF Fiskeri og havbruk rapporter;A23184, Research report, 2012-06-28)
      Deformasjon av not og permaskjørt og krefter på fortøyning For å studere hvordan et skjørt vil kunne påvirke krefter på fortøyning, notdeformasjon og vannstrømninger inn i og rundt merden, ble det gjennomført modellforsøk ...

    • Den norske fiskeflåten - HMS - status pr. 2010 

      Aasjord, Halvard Laurits (SINTEF Fiskeri og havbruk rapporter;A103048, Research report, 2010-12-29)
      Oppdraget for denne statusrapporten ble gitt av Sjøfartsdirektoratet i form av et spesifisert notat datert 31-03-09 med undertittel/mandat: "En beskrivelse og vurdering av situasjonen i fiskeflåten anno 2009. D.v.s. ...

    • Description of the processes in the value chain and risk assessment of decomposition substances and oxidation products in fish Oils. Opinion of Steering Committee of the Norwegian Scientific Committee for Food Safety 

      Aursand, Marit; Hamre, Kristin; Knutsen, Helle Katrine; Maage, Amund; Arukwe, Augustine; Alexander, Jan; Amlund, Heidi; Bernhoft, Aksel; Brantsæter, Anne Lise; Eriksen, Gunnar Sundstøl; Fæste, Christiane Kruse; Krogdahl, Åshild; Haugen, Margaretha; Hemre, Gro Ingunn; Lassen, Jørgen Fr; Nerland, Audun Helge; Nesse, Live Lingaas; Næss, Bjørn; Ringø, Einar; Ruus, Anders; Skåre, Janneche Utne; Steffensen, Inger-Lise; Sundheim, Leif; Sverdrup, Line Emilie; Svihus, Birger; Thomsen, Cathrine; Torrissen, Ole; Østerås, Olav; Torstensen, Bente Elisabeth; Ørnsrud, Robin; Mozuraityte, Revilija (VKM Report;2011:19, Research report, 2011-10-19)
      The Norwegian Scientific Committee for Food Safety (VKM) has been asked by the Norwegian Food Safety Authority to perform a health risk assessment on decomposition substances and oxidation products in fish oils intended ...

    • Design and verification of a sway-yaw control system for Surface Effect Ships using vent valves 

      Teigland, Håkon; Hassani, Vahid; Auestad, Øyvind Fidje (Journal article; Peer reviewed, 2019)
      For an offshore worker in the oil and gas industry, the helicopter transport is the activity associated with the highest risk. An alternative to helicopter crew transfers is to use Surface Effect Ships (SES) to transport ...

    • Design Parameters for Increased Operability of Offshore Crane Vessels 

      Gutsch, Martin; Sprenger, Florian; Steen, Sverre (ASME Proceedings | Torgeir Moan Honoring Symposium;OMAE2017-62307, Chapter, 2017-06-25)
      Marine subsea operations are performed by highly specialized ships, referred to as Inspection, Maintenance, and Repair (IMR) and Offshore Construction Vessels (OCV). Although the ships and their on-board equipment are ...

    • Design Study of a Hybrid Power System for a Ferry Using Open Simulation Platform 

      Yum, Kevin Koosup; Ludvigsen, Kristine Bruun (Peer reviewed; Journal article, 2021)
      In a hybrid power system, an energy storage device unlocks the possibility of optimizing the design and operation. Only a properly tuned control strategy with correctly sized machinery under specific operation profiles ...

    • Design, Modelling and Analysis of a Large Floating Dock for Spar Floating Wind Turbine Installation 

      Jiang, Zhiyu; Yttervik, Rune; Gao, Zhen; Sandvik, Peter Christian (Journal article; Peer reviewed, 2020-07)
      Installation of floating wind turbines at the offshore site is a challenging task. A significant part of the time efficiency and costs are related to the installation methods which are sensitive to weather conditions. This ...

    • Designing Composite Adaptive Propeller Blades with Passive Bend–Twist Deformation for Periodic-Load Variations Using Multiple Design Concepts 

      Rokvam, Sondre Østli; Vedvik, Nils-Petter; Savio, Luca; Echtermeyer, Andreas Thorsten (Journal article; Peer reviewed, 2023)
      Four plausible design concepts are applied together to investigate composite bend–twist propeller-blade designs that show high twisting per bending deflection. The design concepts are first explained on a simplified blade ...

    • Designing vortices in pipe flow with topography-driven Langmuir circulation 

      Ellingsen, Simen Andreas Ådnøy; Akselsen, Andreas Holm; Chan, Leon (Peer reviewed; Journal article, 2021)
      We present direct numerical simulation of a mechanism for creating longitudinal vortices in pipe flow, compared with a model theory. By furnishing the pipe wall with a pattern of crossing waves, secondary flow in the form ...

    • Detection of mooring line failures using Dynamic Hypothesis Testing 

      Hassani, Vahid; Pascoal, António M.; Sørensen, Asgeir Johan (Journal article; Peer reviewed, 2018-07-01)
      This article proposes a novel methodology for the detection of mooring line breakage in thruster assisted position mooring (PM) systems, when no measurements of the tensions on the mooring lines are available. For dynamic ...

    • Determinants of airborne benzene evaporating from fresh crude oils released into seawater 

      Gjesteland, Ingrid; Hollund, Bjørg Eli; Kirkeleit, Jorunn; Daling, Per Snorre; Sørheim, Kristin Rist (Journal article; Peer reviewed, 2019-03)
      Benzene, toluene, ethylbenzene, xylenes, naphthalene and n-hexane evaporating from a thin oil film was measured for 30 min in a small-scale test system at 2 and 13 °C and the impact of physicochemical properties on airborne ...

    • Determining spatial feed distribution in sea cage aquaculture using an aerial camera platform 

      Lien, Andreas Myskja; Schellewald, Christian; Stahl, Annette; Frank, Kevin; Skøien, Kristoffer Rist; Tjølsen, Jan Inge (Journal article; Peer reviewed, 2019-11)
      Within this paper we describe an unmanned aerial vehicle (UAV) based method to estimate the spatial feed pellet distribution in salmon fish-cages and exploit it within a case study to determine the radial pellet distribution ...

    • Development and assessment of novel technologies improving the fishing operation and on board processing with respect to environmental impact and fish quality (DANTEQ) 

      Aursand, Ida Grong; Digre, Hanne; Ladstein, Jarle; Kyllingstad, Lars Tandle; Erikson, Ulf Gøran; Tveit, Guro Møen; Backi, Christoph Josef; Reite, Karl Johan (SINTEF Fiskeri og havbruk reports;A27309, Research report, 2015)
      This is a final report of the project DANTEQ (2010-2015). Through this project new competence and new methods for optimal handling of whitefish onboard with respect to raw material quality and energy efficiency have been ...