• Streamer and surface charge dynamics in non-uniform air gaps with a dielectric barrier 

      Meyer, Hans Kristian Hygen; Mauseth, Frank; Maskar, Robert; Pedersen, Per Atle; Balszczyk, Andreas (Journal article; Peer reviewed, 2019)
      Streamer behaviour near dielectric surfaces is an important characteristic of air-solid electrical insulation systems. Accurate predictions are important for dielectric design, but dynamic aspects such as surface charging ...
    • Streamer propagation along a profiled dielectric surface 

      Meyer, Hans Kristian Hygen; Marskar, Robert; Gjemdal, Henrik; Mauseth, Frank (Peer reviewed; Journal article, 2020)
      We investigate the propagation of positive streamers along a profiled dielectric surface in air at atmospheric pressure. Results from experiments and two-dimensional planar low-temperature plasma fluid simulations are ...
    • Streamer Propagation along Profiled Insulator Surfaces under Positive Impulse Voltages 

      Meyer, Hans Kristian Hygen; Marskar, Robert; Bilsbak, Henriette Graverholt; Mauseth, Frank; Schueller, Michael (Peer reviewed; Journal article, 2022)
      Controlling discharge growth on insulator surfaces is important in high voltage gaseous insulation systems. In this study, the effect of small-scale surface profiles on streamer discharge propagation is examined experimentally. ...
    • Streamer Propagation in Rod-Plane Air Gaps with a Dielectric Barrier 

      Hygen Meyer, Hans Kristian; Mauseth, Frank; Pedersen, Per Atle; Ekeberg, Jonas (Conference on Electrical Insulation and Dielectric Phenomena. Annual Report;2016, Chapter; Peer reviewed, 2016)
      High-voltage design optimization requires a fun- damental understanding of electrical breakdown mechanisms under different stress situations. The impulse withstand voltage is normally used as dimensioning criterion for ...
    • Streamline simulation of a reactive advective flow with discontinuous flux function 

      Zefreh, Masoud Ghaderi; Nilsen, Halvor Møll; Lie, Knut-Andreas; Raynaud, Xavier; Doster, Florian (Journal article; Peer reviewed, 2018)
      Reactive transport in porous media with dissolution and precipitation has important applications in oil and gas industry and ground-water remediation. In this work, we present a simulation method for reactive flow in porous ...
    • Streamline-Based History Matching: A Review 

      Stenerud, Vegard Røine; Lie, Knut-Andreas (Research report, 2007)
      In recent years, several methods for streamline-based history matching have been developed. These methods have proved to be efficient for three reasons: First, streamlines delineate flow patterns and can therefore be used ...
    • Strength and filtration stability of cement grouts at room and true tunnelling temperatures 

      Bohloli, Bahman; Morgan, Elin Katrine; Grøv, Eivind; Skjølsvold, Ola; Hognestad, Hans Olav (Journal article; Peer reviewed, 2017)
      The overall objective of this work, carried out under the research project “True Improvement in Grouting High pressure Technology for tunnelling (TIGHT)” is to understand the behavior of cement grouts under true tunnelling ...
    • Strength and stiffness of glued laminated timber beams 

      Moe, Johannes (Særtrykk (Norges byggforskningsinstitutt);58, Others, 1961)
    • Strengthening Industrial Heat Pump Innovation : Decarbonizing Industrial Heat 

      de Boer, Robert; Marina, Andrew; Zühlsdorf, Benjamin; Arpagaus, Cordin; Bantle, Michael; Wik, Veronika; Elmegaard, Brian; Corberan, Jose M.; Benson, Jessica (Research report, 2020)
    • Strengthening of RC beams using bottom and side NSM reinforcement 

      Sabau, Cristian; Popescu, Cosmin; Sas, Gabriel; Schmidt, Jacob Wittrup; Blanksvärd, Thomas; Täljsten, Björn (Journal article; Peer reviewed, 2018)
    • Streptomyces tardus sp. nov.: A Slow-Growing Actinobacterium Producing Candicidin, Isolated From Sediments of the Trondheim Fjord 

      Králová, Stanislava; Sandoval-Powers, Megan; Fawwal, Dorelle V.; Degnes, Kristin Fløgstad; Lewin, Anna; Klinkenberg, Geir; Nguyen, Giang-Son; Liles, Mark R.; Wentzel, Alexander (Peer reviewed; Journal article, 2021)
      Marine environments are home to an extensive number of microorganisms, many of which remain unexplored for taxonomic novelty and functional capabilities. In this study, a slow-growing Streptomyces strain expressing unique ...
    • Stress analysis of thin shells of revolution under non-symmetric loads 

      Falkenberg, J.C. (Særtrykk (Norges byggforskningsinstitutt);216, Others, 1973)
    • Stress Corrosion Cracking in an Extruded Cu-Free Al-Zn-Mg Alloy 

      Lervik, Adrian; Walmsley, John Charles; Lodgaard, Lars; Marioara, Calin Daniel; Johnsen, Roy; Lunder, Otto; Holmestad, Randi (Peer reviewed; Journal article, 2020)
      Stress corrosion cracking (SCC) in Cu-free Al-Zn-Mg (7xxx) aluminium alloys limits its use in many applications. In this work, we study in detail the microstructure of a peak and slightly overaged condition in an AA7003 ...
    • Stress in surgical educational environments: a systematic review 

      Tjønnås, Maria Suong; Guzmán-García, Carmen; Sánchez-González, Patricia; Gómez, Enrique Javier; Oropesa, Ignacio; Våpenstad, Cecilie (Peer reviewed; Journal article, 2022)
      Background The effects of stress on surgical residents and how stress management training can prepare residents to effectively manage stressful situations is a relevant topic. This systematic review aimed to analyze the ...
    • Stress-strain curves of metallic materials and post-necking strain hardening characterization: A Review 

      Tu, Shengwen; Ren, Xiaobo; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2019)
      For metallic materials, standard uniaxial tensile tests with round bar specimens or flat specimens only provide accurate equivalent stress–strain curve before diffuse necking. However, for numerical modelling of problems ...
    • STRIA Roadmap - CONNECTED AND AUTOMATED TRANSPORT (CAT) 

      Rødseth, Ørnulf Jan; Godziejewski, Bogdan; Grand-Perret, Sylvie; Merat, Natasha; van Schijndel-de Nooij, Margriet (Research report, 2016-11-09)
      This Strategic Transport Research and Innovation Agenda (STRIA) roadmap document addresses the Research and Innovation (R&I) activities and other policy support measures required so that the concepts of connected and ...
    • Striving to be resilient: What concepts, approaches and practices should be incorporated in resilience management guidelines? 

      Adini, Bruria; Cohen, Odeya; Eide, Aslak Wegner; Susanna, Nilsson; Limor, Aharonson-Daniel; Herrera, Ivonne Andrade (Journal article; Peer reviewed, 2017)
      Resilience management guidelines address disruptions, changes and opportunities, facilitate anticipation, adaptation, flexibility and provide a foundation for an effective crisis response. The objective and novelty of the ...
    • Structural and Thermal Characterization of Novel Organosolv Lignins from Wood and Herbaceous Sources 

      Trubetskaya, Anna; Lange, Heiko; Wittgens, Bernd; Brunsvik, Anders; Crestini, Claudia; Rova, Ulrika; Christakopoulos, Paul; Leahy, J.J.; Matsakas, Leonidas (Peer reviewed; Journal article, 2020)
      This study demonstrates the effects of structural variations of lignins isolated via an organosolv process from different woody and herbaceous feedstocks on their thermal stability profiles. The organosolv lignins were ...
    • Structural changes in SAPO-34 due to hydrothermal treatment. A NMR, XRD, and DRIFTS study 

      Arstad, Bjørnar; Lind, Anna Maria; Cavka, Jasmina Hafizovic; Thorshaug, Knut; Akporiaye, Duncan; Wragg, David; Fjellvåg, Helmer; Grønvold, Arne; Fuglerud, Terje (Peer reviewed; Journal article, 2016)
      When SAPO-34 is used as an industrial MTO catalyst, structural transformations leading to permanent deactivation are inevitable. The performance loss is linked principally to a redistribution of Si in the material, leading ...
    • Structural Characterization of Natural Quartz by Scanning TEM 

      Busam, Jochen; Wenner, Sigurd; Muggerud, Astrid Marie; Van Helvoort, Antonius (Peer reviewed; Journal article, 2018)
      For quartz, despite its industrial importance and an extensive amount of research done on it, there are still open fundamental questions, e.g. regarding crystal defects, phase changes or damage mechanisms under ionizing ...