Now showing items 5545-5564 of 5801

    • Validation of decomposition models for solar irradiance at high latitudes: A preliminary study 

      Manni, Mattia; Nocente, Alessandro; Skeie, Kristian; Bellmann, Martin Pawel; Lobaccaro, Gabriele (Peer reviewed; Journal article, 2023)
      The accurate estimation of buildings' solar potential contributes to boost the exploitation of solar energy at high latitudes. The decomposition of global irradiation into the direct and diffuse fractions is a fundamental ...
    • Validation of Geant4 for silicon microdosimetry in heavy ion therapy 

      Bolst, David; Gautelli, Susanna; Tran, Linh T.; Davis, Jeremy; Chartier, Lachlan; Prokopovich, Dale A.; Pogossov, Alex; Reinhard, Mark I.; Petasecca, Marco; Lerch, Michael L.F.; Matsufuji, Naruhiro; Povoli, Marco; Kok, Angela; Summanwar, Anand; Jackson, Michael; Rosenfeld, Anatoly B. (Journal article; Peer reviewed, 2019)
      Microdosimetry is a particularly powerful method to estimate the relative biological effectiveness (RBE) of any mixed radiation field. This is particularly convenient for therapeutic heavy ion therapy (HIT) beams, referring ...
    • Validation of linear energy transfer computed in a Monte Carlo dose engine of a commercial treatment planning system 

      Wagenaar, David; Tran, Linh T.; Meijers, Arturs; Marmitt, Gabriel Guterres; Souris, Kevin; Bolst, David; Povoli, Marco; Kok, Angela; Traneus, Erik; Van Goethem, Marc-Jan; Langendijk, Johannes A.; Rosenfeld, Anatoly B.; Both, Stefan (Journal article; Peer reviewed, 2019)
      The relative biological effectiveness (RBE) of protons is highly variable and difficult to quantify. However, RBE is related to the local ionization density, which can be related to the physical measurable dose weighted ...
    • Validation of Online Monitoring of PFC by QCL with FTIR Spectroscopy 

      Aarhaug, Thor Anders; Ferber, Alain Marc C; Gaertner, Heiko; Kolås, Steinar; Ryman, Sven Olof; Geiser, Peter (The Minerals, Metals & Materials Series;2367-1181, Peer reviewed; Journal article, 2018)
      Monitoring of perfluorocarbon (PFC) evolution from aluminium smelting is gaining attention, not only because of their high greenhouse gas potentials but also due to process optimization purposes. Conventionally, PFC ...
    • Validation of QCL CF4 Gas Analyzer for Sensitivity and Selectivity 

      Aarhaug, Thor Anders (The Minerals, Metals & Materials Series;2367-1181, Peer reviewed; Journal article, 2020)
      Quantum cascade lasers (QCL) has open the mid-infrared (mid-IR) spectral range for laser gas monitors. For perfluorocarbon gases (PFCs) such as CF4, continuous emission monitors are now commercially available. Since these ...
    • Validation of temporal parameters within the skating sub-techniques when roller skiing on a treadmill, using inertial measurement units 

      Meyer, Frederic; Seeberg, Trine Margrethe; Kocbach, Jan; Danielsen, Jørgen; Sandbakk, Øyvind; Austeng, Andreas (Peer reviewed; Journal article, 2022)
      The aim of this study was to develop and validate a method using inertial measurements units (IMUs) to determine inner-cycle parameters (e.g., cycle, poles and skis contact, and swing time) and the main sub-techniques ...
    • Validity of the NTNU Prediction Model for D&B Tunnelling 

      Jakobsen, Pål Drevland; Grøv, Eivind; Bruland, Amund; Gjengedal, Sondre (Peer reviewed; Journal article, 2023)
      The Norwegian University of Science and Technology (NTNU) has since the early 1970s published prediction models for estimated production rates, time consumption, and costs for rock works. Since the early development of the ...
    • ValidKI: A Method for Designing Indicators to Monitor the Fulfillment of Business Objectives with Particular Focus on Quality and ICT-supported Monitoring of Indicators 

      Olav, Skjelkvåle Ligaarden; Refsdal, Atle; Stølen, Ketil (SINTEF Rapport;, Research report, 2012)
      In this report we present our method ValidKI for designing indicators to monitor the fulfillment of business objectives with particular focus on quality and ICT-supported monitoring of indicators. A set of indicators is ...
    • Value Enhancing Processes in Building and Real Estate 

      Arge, Kirsten; Hjelmbrekke, Hallgrim (Chapter; Peer reviewed, 2012)
    • Value of green hydrogen when curtailed to provide grid balancing services 

      Zenith, Federico; Flote, Martin Nord; Santos-Mugica, Maider; Duncan, Corey Scott; Mariani, Valerio; Marcantonini, Claudio (Peer reviewed; Journal article, 2022)
      This paper evaluates the potential of grid services in France, Italy, Norway and Spain to provide an alternative income for electrolysers producing hydrogen from wind power. Grid services are simulated with each country's ...
    • Value of multi-market trading for a hydropower producer 

      Fodstad, Marte; Aarlott, Mats Mathisen; Midthun, Kjetil Trovik (Chapter, 2017)
      We present a case study for a price-taking hydropower producer trading in the three short-term energy markets, day-ahead, intra-day and the balancing market. The study uses a scheduling software with a detailed representation ...
    • Value of Uncertainty: The Lost Opportunities in Large Projects 

      Johansen, Agnar; Eik-Andresen, Petter; Landmark, Andreas D.; Ekambaram, Anandasivakumar; Rolstadås, Asbjørn (Journal article; Peer reviewed, 2016)
      The uncertainty management theory has become well established over the last 20–30 years. However, the authors suggest that it does not fully address why opportunities often remain unexploited. Empirical studies show a ...
    • Value Tensions in Telecare: An Explorative Case Study 

      Dahl, Yngve; Reitan, Jarl; Das, Anita (Chapter, 2018)
      We describe the results from a Norwegian case study of the attitudes of community-dwelling lung patients and health response center personnel toward a telecare service for such a patient group. The telecare service was ...
    • Value-Creation Potential from Multi-Market Trading for a Hydropower Producer 

      Fodstad, Marte; Aarlott, Mats Mathisen; Midthun, Kjetil Trovik (Journal article; Peer reviewed, 2018)
      We study a hydropower producer’s potential for value-creation from multi-market trading given the price variations in the markets and the flexibility provided through access to hydro reservoirs. We use a perfect foresight ...
    • Valuta for pengene. En studie av 15 boligprosjekter 

      Arge, Kirsten; Wågø, Solvår Irene; Knudsen, Wibeke (Prosjektrapport (SINTEF Byggforsk);18, Research report, 2008)
    • Vannkvalitetsproblemer og modellering av vannkvalitet i ledningsnett 

      Bruaset, Stian (Journal article; Peer reviewed, 2012)
      I drikkevannsnettene oppstår vannkvalitetsproblemer som vekst av biofilm, korrosjon av støpejerns- og metallrør, samt misfarging av drikkevannet som fører til en stor andel av klager til vannselskapene [2]. Det er også en ...
    • Vannskadesikker montering av vannrør i næringsbygninger 

      Krog, Bjørn-Roar; Fiskum, Lars-Erik (SINTEF Fag;30, Research report, 2015)
      Forskrift om tekniske krav til byggverk (TEK10) stiller krav til utskiftbarhet og lekkasje-sikkerhet for ferdig monterte vanninstallasjoner i alle typer bygninger. Forskriften skiller ikke mellom bolig og næringsbygning. ...
    • Vapor–liquid equilibria data for 2-piperidineethanol and 1-(2-hydroxyethyl)pyrrolidine in aqueous solutions and a UNIQUAC model representation 

      Hartono, Ardi; Nøkleby, Christina; Kim, Inna; Knuutila, Hanna K (Peer reviewed; Journal article, 2022)
      This work reports equilibrium data for two amines, 2-piperidineethanol (2-PPE) and 1-(2-hydroxyethyl)pyrrolidine (1-(2HE)PRLD), and their aqueous solutions. The pressure, temperature, and composition data are used to ...
    • Vapour resistance of wind barrier tape: Laboratory measurements and hygrothermal performance implications 

      Johnsen, Ida-Helene; Andenæs, Erlend; Gullbrekken, Lars; Kvande, Tore (Peer reviewed; Journal article, 2021)
      In the building industry, the interest into adhesive tape to achieve a more tight and robust building envelope has increased rapidly in recent years. With an increasing demand for energy efficiency in buildings, national ...
    • Vapour retarders in wood frame walls and their effect on the drying capability 

      Geving, Stig; Holme, Jonas (Journal article; Peer reviewed, 2013)
      Wood frame walls typically need a vapour barrier at the warm side to avoid interstitial condensation due to vapour diffusion and air leakages from the interior. A more vapour open material than the traditional vapour ...