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    • Bulk Resistivity of Materials in the Si/FeSi Furnace 

      Hoover, Haley Iris; Fromreide, Mads; Sævarsdottir, Gudrun Arnbjörg; Tangstad, Merete (Journal article, 2023)
      The formation of silicon carbide (SiC) and the energy distribution in the furnace are two important parameters in evaluating furnace operations. The energy distribution is determined by the resistivity of the materials in ...

    • Investigating the representation of heatwaves from an ensemble of km-scale regional climate simulations within CORDEX-FPS convection 

      Sangelantoni, L.; Sobolowski, Stefan Pieter; Lorenz, Torge; Hodnebrog, Øivind; Cardoso, R.M.; Soares, P.M.M.; Ferretti, R.; Lavín-Gullón, A.; Fernandez, J.; Goergen, K.; Milovac, J.; Katragkou, E.; Kartsios, S.; Coppola, E.; Pichelli, E.; Adinolfi, M.; Mercogliano, P.; Berthou, S.; de Vries, Vries; Dobler, Andreas; Belušić, D.; Feldmann, H.; Tölle, M.H.; Bastin, S. (Journal article; Peer reviewed, 2023)
      Heatwaves (HWs) are high-impact phenomena stressing both societies and ecosystems. Their intensity and frequency are expected to increase in a warmer climate over many regions of the world. While these impacts can be ...

    • Arctic Ocean simulations in the CMIP6 Ocean Model Intercomparison Project (OMIP) 

      Shu, Qi; Wang, Qiang; Guo, Chuncheng; Song, Zhenya; Wang, Shizhu; He, Yan; Qiao, Fangli (Journal article; Peer reviewed, 2023)
      Arctic Ocean simulations in 19 global ocean–sea-ice models participating in the Ocean Model Intercomparison Project (OMIP) of the Coupled Model Intercomparison Project Phase 6 (CMIP6) are evaluated in this paper. Our ...

    • Overview of the Potential of Energy Harvesting Sources in Electric Vehicles 

      Bentouba, Said; Zioui, Nadjet; Breuhaus, Peter Helmut Herbert; Bourouis, Mahmoud (Peer reviewed; Journal article, 2023)
      Energy harvesting, a cutting-edge technology that captures wasted energy from vehicles, constitutes a means to improve the efficiency of electric vehicles. Dissipated energy can be converted into electricity using regenerative ...

    • Southern ocean carbon and heat impact on climate 

      Sallée, J.B.; Abrahamsen, E.P.; Allaigre, C.; Auger, M.; Ayres, H.; Badhe, R.; Boutin, J.; Brearley, J.A.; De Lavergne, Lavergne; Ten Doeschate, Doeschate; Droste, E.S.; Du Plessis, Plessis; Ferreira, D.; Giddy, I.S.; Gülk, B.; Gruber, N.; Hague, M.; Hoppema, M.; Josey, S.A.; Kanzow, T.; Kimmritz, Madlen; Lindeman, M.R.; Llanillo, P.J.; Lucas, N.S.; Madec, G.; Marshall, D.P.; Meijers, A.J.S.; Meredith, M.P.; Mohrmann, M.; Monteiro, P.M.S.; Mosneron Dupin, Dupin; Naeck, K.; Narayanan, A.; Naveira Garabato, Garabato; Nicholson, S.-A.; Novellino, A.; Ödalen, M.; Østerhus, Svein; Park, W.; Patmore, R.D.; Piedagnel, E.; Roquet, F.; Rosenthal, H.S.; Roy, T.; Saurabh, R.; Silvy, Y.; Spira, T.; Steiger, Nadine; Styles, A.F.; Swart, S.; Vogt, L.; Ward, B.; Zhou, S. (Peer reviewed; Journal article, 2023)
      The Southern Ocean greatly contributes to the regulation of the global climate by controlling important heat and carbon exchanges between the atmosphere and the ocean. Rates of climate change on decadal timescales are ...

    • Evaluation of brewer's spent grain-derived lignocellulosic hydrolysate as a feedstock for amino acid production by submerged fermentation 

      Karlsen, Freja Manø Busk; Skov, Peter V.; Boccadoro, Catherine; Gaykawad, Sushil (Peer reviewed; Journal article, 2023)
      This study evaluated the potential of utilizing a lignocellulosic hydrolysate from brewer’s spent grain (BSG) as a substrate for amino acid (AA) production by submerged fermentation. The main objective was to explore AA ...

    • Experimental investigation of the rock cutting process and derivation of the 3D spatial distribution of the formation strength using in-cutter sensing 

      Koulidis, Alexis; Pelfrene, Gilles; Ahmed, Shehab (Peer reviewed; Journal article, 2023)
      Recent advances in downhole measurements allow to accurately measure drilling forces at the drill bit, and estimate the evolution of the rock strength along the well profile. This paper presents an experimental methodology ...

    • Electrification of Oil and Gas Platforms by Wind Energy 

      Saadallah, Nejm; Heggelund, Yngve (Peer reviewed; Journal article, 2023)
      In this paper, we address the problem of high greenhouse gas emissions from oil and gas platforms in Norway. We look at the potential of integrating an energy system composed of wind turbines and battery systems to unload ...

    • Status of Foam as a Liquid Blocking Agent in Porous Media: A Review 

      Solbakken, Jonas (Journal article; Peer reviewed, 2023)
      Abstract This article summarizes the state-of-the-art knowledge gained from field observations and laboratory studies regarding foam as a liquid controlling agent in porous media. Being the least explored property of foam, ...

    • Underestimation of oceanic carbon uptake in the Arctic Ocean: ice melt as predictor of the sea ice carbon pump 

      Richaud, Benjamin; Fennel, Katja; Oliver, Eric C. J.; Degrandpre, Michael D.; Bourgeois, Timothée; Hu, Xianmin; Lu, Youyu (Peer reviewed; Journal article, 2023)
      The Arctic Ocean is generally undersaturated in CO2 and acts as a net sink of atmospheric CO2. This oceanic uptake is strongly modulated by sea ice, which can prevent air–sea gas exchange and has major impacts on stratification ...

    • Characterization of a novel cold-adapted intracellular serine protease from the extremophile Planococcus halocryophilus Or1 

      Rasmussen, Casper Bøjer; Scavenius, Carsten; Thøgersen, Ida B.; Harwood, Seandean Lykke; Larsen, Øivind; Bjerga, Gro Elin Kjæreng; Stougaard, Peter; Enghild, Jan J.; Thøgersen, Mariane Schmidt (Peer reviewed; Journal article, 2023)
      The enzymes of microorganisms that live in cold environments must be able to function at ambient temperatures. Cold-adapted enzymes generally have less ordered structures that convey a higher catalytic rate, but at the ...

    • COBRA Master Class: Providing deep-sea expedition leadership training to accelerate early career advancement 

      Rotjan, Randi D.; Bell, Katherine L. C.; Huber, Julie A.; Wheat, Charles Geoffrey; Fisher, Andrew T.; Sylvan, Rosalynn Lee; McManus, James; Bigham, Katharine T.; Cambronero-Solano, Sergio; Cordier, Tristan; Goode, Savannah; Leonard, Juliana; Murdock, Sheryl; Paula, Fabiana S.; Ponsoni, Leandro; Roa-Varón, Adela; Seabrook, Sarah; Shomberg, Russell; Van Audenhaege, Loïc; Orcutt, Beth N. (Peer reviewed; Journal article, 2023)
      Leading deep-sea research expeditions requires a breadth of training and experience, and the opportunities for Early Career Researchers (ECRs) to obtain focused mentorship on expedition leadership are scarce. To address ...

    • Helicopter-borne RGB orthomosaics and photogrammetric digital elevation models from the MOSAiC Expedition 

      Neckel, Niklas; Fuchs, Niels; Birnbaum, Gerit; Hutter, Nils; Jutila, Arttu; Buth, Lena; Albedyll, Luisa von; Ricker, Robert; Haas, Christian (Peer reviewed; Journal article, 2023)
      The Multidisciplinary Drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition took place between October 2019 and September 2020 giving the rare opportunity to monitor sea-ice properties over a full annual ...

    • Improving predictive models for rate of penetration in real drilling operations through transfer learning 

      Pacis, Felix James Cardano; Ambrus, Adrian; Alyaev, Sergey; Khosravanian, Rasool; Kristiansen, Tron Golder; Wiktorski, Tomasz (Peer reviewed; Journal article, 2023)
      The rate of penetration (ROP) is a key performance indicator in the oil and gas drilling industry as it directly translates to cost savings and emission reductions. A prerequisite for a drilling optimization algorithm is ...

    • Deepening of Southern Ocean Gateway Leads to Abrupt Onset of a Deep-Reaching Meridional Overturning Circulation 

      Xing, Qianjiang; Klocker, Andreas; Munday, David; Whittaker, Joanne (Journal article; Peer reviewed, 2023)
      Around 50–34 million years ago, the Southern Hemisphere witnessed a major reorganization of continents. This led to the opening and deepening of two Southern Ocean gateways (OGs)—the Tasmanian Gateway between Australia and ...

    • Stick-slip and torsional friction factors in inclined wellbores 

      Aarsnes, Ulf Jakob Flø; Shor, Roman (Peer reviewed; Journal article, 2018)
      Stick slip is usually considered a phenomenon of bit-rock interaction, but is also often observed in the field with the bit off bottom. In this paper we present a distributed model of a drill string with an along-string ...

    • Constrained optimization of offshore wind turbine positions under uncertain wind conditions with correlated data 

      Pettersson, Per; Aursjø, Olav; Helland, Johan Olav; Jettestuen, Espen (Peer reviewed; Journal article, 2023)
      Offshore wind power production is subject to substantial uncertainty due to variability in wind conditions. Planning of new wind parks should take these uncertainties into account by means of stochastic modeling and ...

    • Registerdataanalyse – sjukefråvær og fråfall frå arbeidslivet 

      Holmås, Tor Helge; Monstad, Karin; Rydland, Håvard T. (Research report, 2024)
      Kartlegginga av arbeidsretta tiltak blant sjukmelde viste at i perioden 1.1.2011-31.12.2018 var det 56937 tilfelle (4,3 prosent) der eit arbeidsretta tiltak tok til under sjukefråværet. Tiltaksmottakarane er gjennomsnittleg ...

    • Overvåking av rippede arealer i Suldalslågen 2023 

      Pulg, Ulrich; Espedal, Espen Olsen; Postler, Christoph (LFI - Laboratorium for ferskvannsøkologi og innlandsfiske, Research report, 2024)
      En rekke studier har pekt på mangel av skjul i regulerte Suldalslågen som flaskehals for produksjon av laks og sjøaure. For å avbøte dette og å gjenskape mer naturtypiske sedimentforhold, slik som store flommer hadde gjort ...

    • Fiskebiologiske undersøkelser i Eidfjordvassdraget. Årsrapport for undersøkelser i 2023 

      Skoglund, Helge; Skår, Bjørnar; Gabrielsen, Sven-Erik; Wiers, Tore (LFI - Laboratorium for ferskvannsøkologi og innlandsfiske;, Research report, 2024)
      Det er utført fiskebiologiske undersøkelser i Eidfjordvassdraget siden 2004. Denne rapporten er rapport for undersøkelsene gjort i 2023 og ettervinteren 2024, men inneholder også data for hele undersøkelsesperioden. ...