• Hydropower Scheduling Toolchains:Comparing Experiences in Brazil, Norway, and USA and Implications for Synergistic Research 

      Helseth, Arild; Melo, Albert C.G.; Ploussard, Quentin; Mo, Birger; Maceira, Maria E.P.; Botterud, Audun; Voisin, Nathalie (Peer reviewed; Journal article, 2023)
      While hydropower scheduling is a well-defined problem, there are institutional differences that need to be identified to promoteconstructive and synergistic research. We study how established toolchains of computer models ...
    • Hydropower Scheduling with State-Dependent Discharge Constraints: An SDDP Approach 

      Helseth, Arild; Mo, Birger; Hågenvik, Hans Olaf; Schäffer, Linn Emelie (Peer reviewed; Journal article, 2022)
      Environmental constraints in hydropower systems serve to ensure sustainable use of water resources. Through accurate treatment in hydropower scheduling, one seeks to respect such constraints in the planning phase while ...
    • Hydropower‐driven thermal changes, biological responses and mitigating measures in northern river systems 

      Heggenes, Jan; Stickler, Morten; Alfredsen, Knut; Brittain, John Edward; Adeva Bustos, Ana; Huusko, Ari (Peer reviewed; Journal article, 2021)
      Water temperatures control life histories and diversity of aquatic species. Hydropowerregulation, particularly in high head systems, alters natural water temperature regimes,which may have profound and long-term impacts ...
    • HydroStator : hovedfunn og resultater i KPN-prosjektet HydroStator 

      Berg, Gunnar; Eberg, Espen; Aakre, Torstein Grav; Ildstad, Erling; Kantar, Emre; Nysveen, Arne (SINTEF Rapport;, Research report, 2022)
      Modeller som beskriver temperatur- og frekvensavhengighet til elektriske delutladninger er utviklet og viser at tilstandskontroll med den mer praktiske VLF-metoden som benytter 0,1 Hz høyspenning er representativ for 50 ...
    • Hydrothermal Gasification of Biogas Digestate: a Parametric Study Using a Matlab-based Code 

      Rahma, Fadilla Noor; Li, Tian; Khalil, Roger Antoine; Tran, Quang Khanh (Peer reviewed; Journal article, 2023)
      In this work, effect of process parameters on hydrothermal gasification (HTG) of biogas digestate are thermodynamically investigated using a Matlab-based code, which is capable of modelling the effects of the feedstock’s ...
    • Hydrothermal Gasification of Biogas Digestate: a Thermodynamic Study on Effects of Process Parameters Using Aspen Plus 

      Rahma, Fadilla Noor; Li, Tian; Khalil, Roger Antoine; Tran, Quang Khanh (Peer reviewed; Journal article, 2023)
    • Hydrothermal Liquefaction of Bark-containing Nordic Biomass 

      Sandquist, Judit; Everson, Nikalet; Delic, Asmira; Olsen, Maria Nicte Polanco (Peer reviewed; Journal article, 2022)
      Hydrothermal liquefaction (HTL) is a thermochemical process that takes advantage of the water present in the feedstock under process conditions where the water is kept as a liquid solvent using pressurized systems, avoiding ...
    • Hydrothermal liquefaction of organic resources in biotechnology: how does it work and what can be achieved? 

      Sandquist, Judit; Tschentscher, Roman; del Alamo Serrano, Gonzalo (Journal article; Peer reviewed, 2018)
      Increasing the overall carbon and energy efficiency by integration of thermal processes with biological ones has gained considerable attention lately, especially within biorefining. A technology that is capable of processing ...
    • Hydrothermal scheduling in the continuous-time framework 

      Naversen, Christian Øyn; Helseth, Arild; Li, Bosong; Parvania, Masood; Farahmand, Hossein; Catalao, João P.S. (Peer reviewed; Journal article, 2020)
      Continuous-time optimization models have successfully been used to capture the impact of ramping limitations in power systems. In this paper, the continuous-time framework is adapted to model flexible hydropower resources ...
    • Hygieniske barrierer i koaguleringsanlegg 

      Eikebrokk, Bjørnar (Journal article; Peer reviewed, 2009)
      Drikkevannsforskriften stiller krav om tilstedeværelse av minst to hygieniske barrierer i alle godkjenningspliktige vannforsyningssystemer. Veilederen til drikkevannsforskriften angir at den enkelte vannbehandlingsmetode ...
    • Hygrothermal conditions in Cross Laminated Timber (CLT) dwellings 

      Tingstveit, Merethe Solvang; Nielsen, Henrik Kofoed; Risholt, Birgit Dagrun (Peer reviewed; Journal article, 2020)
      The use of CLT has been increasing the last decade, and a subsequently focus on documentation of the accompanying indoor climate and exposed wooden surfaces on human well-being. This study presents the results of a measurement ...
    • Hygrothermal Properties of Compressed Earthen Bricks 

      Zhang, Lei; Yang, Liu; Jelle, Bjørn Petter; Wang, Yu; Gustavsen, Arild (Journal article; Peer reviewed, 2018)
      The present study investigates the relationship between bulk density and hygrothermal behaviour of compressed earthen bricks. The experimental results show that the thermal conductivity linearly increases from 0.5228 W/(m K) ...
    • Hygrothermal Simulation of Interior Insulated Brick Wall - Perspectives on Uncertainty and Sensitivity 

      Knarud, Jon Ivar Belghaug; Kvande, Tore; Geving, Stig (Peer reviewed; Journal article, 2023)
      Energy retrofit of existing masonry buildings has become attractive to meet demands for reduction in energy consumption. Retrofit may, however, introduce moisture risk that needs to be assessed. Hygrothermal simulation ...
    • Hygrothermal simulations of thermally insulated basement envelopes - Importance of boundary conditions below grade 

      Asphaug, Silje Kathrin; Time, Berit; Kvande, Tore (Peer reviewed; Journal article, 2021)
      Hygrothermal simulations are widely used to predict and optimise the hygrothermal performances of building envelopes. For the walls and floors in basements, however, determining the variation of the exterior hygrothermal ...
    • HyMo 1.0 - Hydromorfologisk klassifisering av vannforekomster i elver og innsjøer 

      Harby, Atle; Bakken, Tor Haakon; Hansen, Bendik Kristoffer Torp; Lindholm, Markus; Museth, Jon; Sundt, Håkon (SINTEF Rapport;, Research report, 2023)
      Denne rapporten presenterer resultater fra uttesting av hydromorfologisk (HyMo) klassifisering for elver og innsjøer til bruk for arbeid med vannforskriften. Uttesting er i stor grad utført av regionale og nasjonale ...
    • HyperKvasir, a comprehensive multi-class image and video dataset for gastrointestinal endoscopy 

      Borgli, Hanna; Thambawita, Vajira; Smedsrud, Pia H; Hicks, Steven; Jha, Debesh; Eskeland, Sigrun Losada; Randel, Kristin Ranheim; Pogorelov, Konstantin; Lux, Mathias; Dang Nguyen, Duc Tien; Johansen, Dag; Griwodz, Carsten; Stensland, Håkon Kvale; Garcia-Ceja, Enrique; Schmidt, Peter T; Hammer, Hugo Lewi; Riegler, Michael; Halvorsen, Pål; de Lange, Thomas (Peer reviewed; Journal article, 2020)
      Artificial intelligence is currently a hot topic in medicine. However, medical data is often sparse and hard to obtain due to legal restrictions and lack of medical personnel for the cumbersome and tedious process to ...
    • HYPSO-1 CubeSat: First Images and In-Orbit Characterization 

      Bakken, Sivert; Henriksen, Marie Bøe; Birkeland, Roger; Langer, Dennis David; Oudijk, Adriënne Esmeralda; Berg, Simen; Pursley, Yeshi; Garrett, Joseph Landon; Gran-Jansen, Fredrik; Honoré-Livermore, Evelyn; Grøtte, Mariusz Eivind Santora; Kristiansen, Bjørn Andreas; Orlandic, Milica; Gader, Paul; Sørensen, Asgeir Johan; Sigernes, Fred; Johnsen, Geir; Johansen, Tor Arne (Journal article; Peer reviewed, 2023)
      The HYPSO-1 satellite, a 6U CubeSat carrying a hyperspectral imager, was launched on 13 January 2022, with the Goal of imaging ocean color in support of marine research. This article describes the development and current ...
    • Hysteresis losses in MgB2 superconductors exposed to combinations of low AC and high DC magnetic fields and transport currents 

      Magnusson, Niklas; Abrahamsen, A.B.; Liu, D; Runde, Magne; Polinder, Henk (Peer reviewed; Journal article, 2014)
      MgB2 superconductors are considered for generator field coils for direct drive wind turbine generators. In such coils, the losses generated by AC magnetic fields may generate excessive local heating and add to the thermal ...
    • Høgfrekvent støy i kraftforsyningsanlegg: Forskrifter, måleresultat og simuleringar 

      Ringheim, Nils Arild; Pleym, Anngjerd (SINTEF Rapport;, Research report, 2004)
    • Hørselshemning og høreapparatformidling 

      Kvam, Marit Hoem (SINTEF rapport;A574, Research report, 2006)
      Regjeringens handlingsplan for funksjonshemmede 1998-2001 fastslår at både brukere og fagfolk opplever tjenestetilbudet innen norsk hørselsomsorg som fragmentert og uryddig. Myndighetene ønsker å ta tak i dette problemet. ...