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    • Optimizing Jack-up vessel strategies for maintaining offshore wind farms 

      Stålhane, Magnus; Christiansen, Marielle; Kirkeby, Odin; Mikkelsen, Andreas Jebsen (Journal article; Peer reviewed, 2017-10)
      In this paper we present a new two-stage stochastic mathematical programming model that determines the optimal jack-up vessel strategy for an offshore wind farm. Given an offshore wind farm site, and distance to shore the ...

    • Optimizing size selectivity and catch patterns for hake (Merluccius merluccius) and blue whiting (Micromesistius poutassou) by combining square mesh panel and codend designs 

      Cuende, Elsa; Sistiaga, Manu; Herrmann, Bent; Arregi, Luis (Peer reviewed; Journal article, 2022)
      Gear modifications in fisheries are usually implemented to obtain catch patterns that meet management objectives. In the Basque bottom trawl fishery, gear regulations include the use of a square mesh panel (SMP) placed at ...

    • Organic additive release from plastic to seawater is lower under deep-sea conditions 

      Fauvelle, Vincent; Garel, Marc; Tamburini, Christian; Nerini, David; Castro-Jiménez, Javier; Schmidt, Natascha; Paluselli, Andrea; Fahs, Armand; Papillon, Laure; Booth, Andy; Sempéré, Richard (Peer reviewed; Journal article, 2021)
      Plastic garbage patches at the ocean surface are symptomatic of a wider pollution affecting the whole marine environment. Sinking of plastic debris increasingly appears to be an important process in the global fate of ...

    • Organic chemicals associated with rubber are more toxic to marine algae and bacteria than those of thermoplastics 

      Sørensen, Lisbet; Gomes, Tania; Igartua, Amaia; Lyngstad, Inger Larsen; Almeida, Ana Catarina; Wagner, Martin; Booth, Andy (Journal article; Peer reviewed, 2023)
      The current study investigated the chemical complexity of fifty plastic (36) and elastomer/rubber (14) methanol extracts from consumer products, focusing on the association with toxicity in two screening assays (bacteria ...

    • Organisational safety indicators in aquaculture – a preliminary study 

      Holmen, Ingunn Marie; Utne, Ingrid Bouwer; Haugen, Stein (Chapter, 2017)
      The aquaculture industry has since the 70’s grown to become one of the most important industries in Norway. A safety challenge for the Norwegian fish farming companies is escape of salmon. During the last decade, the main ...

    • Outcomes From a Study of Validation of Ship Specific Models for Shiphandling Simulator 

      Berg, Tor Einar; Selvik, Ørjan (ASME Proceedings | Ocean Engineering;OMAE2017-61400, Chapter, 2017-06-25)
      This paper presents some outcomes from a four years (2013 – 2016) long research project investigating validation of ship specific simulation models. In contrast to the other initiatives such as SIMMAN 2008 [1] and SIMMAN ...

    • Outcomes of the DeepWind conceptual design 

      Paulsen, Uwe S.; Borg, Michael; Madsen, Helge Aa.; Pedersen, Troels Friis; Hattel, Jesper; Ritchie, Ewen; Ferreira, C. Simoa; Svendsen, Harald; Berthelsen, Petter Andreas; Smadja, Charles (Journal article, 2015)
      DeepWind has been presented as a novel floating offshore wind turbine concept with cost reduction potentials. Twelve international partners developed a Darrieus type floating turbine with new materials and technologies for ...

    • Ova lipid profiling and egg quality in wild and captive lumpfish, Cyclopterus lumpus (Linnaeus, 1758) 

      Hansen, Bjørn Henrik; Kjørsvik, Elin; Malzahn, Arne; Sarno, Antonio; Kulild, Ole Martin; Farkas, Julia; Nordtug, Trond; Rye, Rebecca; Kvæstad, Bjarne; Lein, Ingrid; Hagemann, Andreas (Peer reviewed; Journal article, 2022)
      Lumpfish (Cyclopterus lumpus) serves an important role as cleaner fish for removing salmon lice in salmon aquaculture. For this use, cultivated lumpfish are preferred over wild-caught fish to avoid overexploitation of ...

    • Overexploitation, Recovery, and Warming of the Barents Sea Ecosystem During 1950–2013 

      Pedersen, Torstein; Mikkelsen, Nina; Lindstrøm, Ulf; Renaud, Paul Eric; Nascimento, Marcela C.; Blanchet, Marie-Anne; Ellingsen, Ingrid H.; Jørgensen, Lis L.; Blanchet, Hugues (Peer reviewed; Journal article, 2021)
      The Barents Sea (BS) is a high-latitude shelf ecosystem with important fisheries, high and historically variable harvesting pressure, and ongoing high variability in climatic conditions. To quantify carbon flow pathways ...

    • Overpumping av makrell (II) Effekt pa fangstkvalitet 

      Aursand, Ida Grong; Digre, Hanne; Schei, Marte (SINTEF Fiskeri og havbruk;A25816, Research report, 2014-01-27)
      Prosjektets hovedmål er å klarlegge hvorvidt det kan registreres forskjeller i makrellens kvalitet når den er pumpet direkte om bord i fangstfartøyet og når den er pumpet til et annet fartøy (overpumping). Kvaliteten på ...

    • Overpumping av makrell (Ill) Effekt pa fangstkvalitet, resultater fra tokt 2014 

      Digre, Hanne; Tveit, Guro Møen; Solvang-Garten, Torfinn; Eilertsen, Aleksander; Schei, Marte (SINTEF Fiskeri og havbruk;A26559, Research report, 2014-12-18)
      Prosjektets hovedmål er å klarlegge hvorvidt det kan registreres forskjeller i makrellens kvalitet når den er pumpet direkte om bord i fangstfartøyet og når den er pumpet til et annet fartøy (overpumping). Dette er 3. ...

    • Overpumping av makrell - Effekt på fangstkvalitet - Sammendrag av resultater fra tokt gjennomført i 2012, 2013 og 2014 

      Tveit, Guro Møen; Digre, Hanne; Aursand, Ida Grong; Solvang-Garten, Torfinn; Eilertsen, Aleksander; Schei, Marte (SINTEF Fiskeri og Havbruk;A26694, Research report, 2015-02-10)
      Prosjektets hovedmål er å klarlegge hvorvidt det kan registreres forskjeller i makrellens kvalitet når den er pumpet direkte om bord i fangstfartøyet og når den er pumpet til et an·net fartøy (overpumping) etter at pumping ...

    • Overpumping av makrell Effekt på fangstkvalitet 

      Digre, Hanne; Aursand, Ida Grong (SINTEF Fiskeri og havbruk rapporter;A23827, Research report, 2013-01-14)
      Prosjektets hovedmål er å klarlegge hvorvidt det kan registreres forskjeller i makrellens kvalitet når den er pumpet direkte om bord i fangstfartøyet og når den er pumpet til et annet fartøy (overpumping). Resultatene viser ...

    • Oversikt over påvirkningsfaktorer for produksjonsformers bærekraft - for vurdering av påvirkning på klima, natur og miljø, samt sosial og økonomisk bærekraft 

      Slette, Hans Tobias; Olsen, Marit Schei; Misund, Bård; Tveterås, Ragnar; Strand, Andrea Viken; Wetterwald, Vibeke Emilsen; Misund, Andreas; Osmundsen, Tonje; Johansen, Ellie (SINTEF Ocean rapporter;2023:01035 A, Research report, 2023-09-29)
      Denne rapporten gir en oversikt over påvirkningsfaktorer som kan beskrive produksjonsformers påvirkning på klima, natur og miljø, samt deres sosiale og økonomiske bærekraft. Kunnskapsstatus for påvirkningsfaktorer blir ...

    • Overview of the development and status of carbon dioxide (R-744) refrigeration systems onboard fishing vessels 

      Söylemez, Engin; Widell, Kristina Norne; Gabrielii, Cecilia H; Ladam, Yves; Lund, Thomas; Hafner, Armin (Peer reviewed; Journal article, 2022)
      Globally, most fishing vessels still use the ozone-depleting and climate-harmful R-22 in their freezing and refrigerated seawater (RSW) systems. However, in some regions, the natural refrigerant ammonia is the preferred ...

    • Oxidation of methane in seawater - Laboratory experiments and the use of models - OC2022 A-114 

      Brakstad, Odd Gunnar; Nordam, Tor; Øverjordet, Ida B.; Almås, Inger Kjersti; Rønsberg, Marianne Unaas; Molid, Marianne A.; Aas, Marianne; Hakvåg, Sigrid (SINTEF Ocean rapporter;OC2022 A-114, Research report, 2022-12-16)
      Oxidation of methane was determined in this project by two methods: Stable isotope analyses (13CH4) and by the use of tritium-labelled methane (3H-CH4). The intentions of the project were to obtain methane oxidation rates ...

    • Paradigms to assess the human health risks of nano- and microplastics 

      Noventa, Seta; Boyles, Matthew S.P.; Seifert, Andreas; Belluco, Simone; Sánchez Jiménez, Aracaeli; Johnston, Helinor J.; Tran, Lang; Fernandes, Teresa F.; Mughini-Gras, Lapo; Corami, Fabiana; Castro, Kepa; Mutinelli, Franco; Boldrin, Massimo; Puntes, Victor; Sotoudeh, Mahshid; Mascarello, Giulia; Tiozzo, Barbara; McLean, Polly; Ronchi, Francesca; Booth, Andy; Koelmans, Albert A.; Losasso, Carmen (Peer reviewed; Journal article, 2021)
      Human exposure to nano- and microplastics (NMPs) has raised major societal concerns, yet no framework to assess the risks of NMPs for human health exists. A substantial proportion of plastic produced worldwide is not ...

    • A Parameterization Scheme for Wind Wave Modules that Includes the Sea Ice Thickness in the Marginal Ice Zone 

      Liu, Dongang; Yang, Qinghua; Tsarau, Andrei; HUANG, Yongtao; Li, Xuewei (Journal article; Peer reviewed, 2023)
      The global wave model WAVEWATCH III®; works well in open water. To simulate the propagation and attenuation of waves through ice-covered water, existing simulations have considered the influence of sea ice by adding the ...

    • Parametric study of low-temperature thermal energy storage using carbon dioxide as the phase change material in pillow plate heat exchangers 

      Mastani Joybari, Mahmood; Selvnes, Håkon; Vingelsgård, Erling; Sevault, Alexis; Hafner, Armin (Peer reviewed; Journal article, 2022)
      Industrial low-temperature freezing applications are often batch processes, requiring a lot of energy, exerting stress on the electrical grid. To relieve this stress, thermal energy storage can be used. However, there is ...

    • Path Following Control of Underactuated Surface Vessels in the Presence of Multiple Disturbances 

      Caharija, Walter; Sørensen, Asgeir Johan; Pettersen, Kristin Ytterstad; Greco, Marilena; Gravdahl, Jan Tommy (Chapter, 2019-06-25)
      An integral version of the line-of-sight guidance method is shown to compensate for both kinematic and dynamic disturbances generated by wind, waves and sea currents. The guidance law is designed for path following tasks ...