• Three dimensional surface gravity waves of a broad bandwidth on deep water 

      Li, Yan (Journal article, 2021)
      A new nonlinear Schrödinger equation (NLSE) is presented for ocean surface waves. Earlier derivations of NLSEs that describe the evolution of deep-water waves have been limited to a narrow bandwidth, for which the bound ...
    • Three-dimensional hierarchical walnut kernel shape conducting polymer as water soluble binder for lithium-ion battery 

      Ma, Xianguo; Zou, Shuliang; Tang, Anjiang; Chen, Lijun; Deng, Zhengua; Pollet, Bruno; Ji, Shan (Journal article; Peer reviewed, 2018)
      Hierarchical nanostructures containing three-dimensional (3D) spheres are promising materials due to their unique physicochemical characteristics. In this study, a 3D hierarchical walnut kernel shape conducting polymer ...
    • Three-dimensional Linear Eddy Modeling of a Turbulent Lifted Hydrogen Jet Flame in a Vitiated Co-flow 

      Grøvdal, Fredrik; Sannan, Sigurd; Chen, Jyh-Yuan; Kerstein, Alan R; Løvås, Terese (Journal article; Peer reviewed, 2018)
      A new methodology for modeling and simulation of reactive flows is reported in which a 3D formulation of the Linear Eddy Model (LEM3D) is used as a post-processing tool for an initial RANS simulation. In this hybrid approach, ...
    • Three-Dimensional Measurement of Azimuthally Forced Flames in an Annular Combustor 

      Govender, Dirren (Doctoral theses at NTNU;2023:56, Doctoral thesis, 2023)
      This thesis aims to better understand thermoacoustic instabilities in annular combustors. Thermoacoustic instabilities are a topic of interest since it is a challenge to operate gas turbines in a lean regime that reduces ...
    • Three-dimensional thermo-coupled modelling of Lithium-ion batteries 

      Fernández Valencia, Iván (Master thesis, 2022)
      Med økende interesse for å oppnå bedre ytelse av batterier for å kunne levere nødvendig energilagring for energiomstillingen, har mange potensielle forskningsområder dukket opp. En av dem er forbedring av katodeytelse ...
    • Three-dimensional wake measurements 

      Eriksen, Pål Egil (Master thesis, 2010)
      The performance of a hot wire probe with three wires is investigated for two different flow cases. The wires are made of a platinum/rhodium alloy, and has a diameter of 5 micrometer. The three wires make a probe volume ...
    • Thrust gas bearing analytical tool development 

      Rondon, David (Master thesis, 2014)
      Looking for a cheaper and low maintenance alternative to magnetic bearings, Statoil patented a new design for thrust gas bearings with honeycomb/hole-patterned surface. Honeycomb/hole-pattern surface on annular seals have ...
    • Tidligfase vekt og kost estimering av offshore prosessutstyr 

      Stensaker, Magnus Takle (Master thesis, 2015)
      The purpose of this work is to establish the basis of a methodology for quantifying process equipment, as a response to the different parameters which influence process design. Defining the process facility is one of the ...
    • Tilpasning av LNG-prosess og -system til arktisk klima 

      Vebenstad, Eirin (Master thesis, 2010)
      LNG-produksjon i arktisk klima åpner for høy prosesseffektivitet, men prosessen og utstyret må tilpasses en slik operasjon. Kraftproduksjonssystemet vil i tillegg dra fordel av lave temperaturer, men også her vil det være ...
    • Tilrettelegging for deltakelse i et fleksibilitetsmarked 

      Bratland, Kirsti; Hubbuck, Maria Eileen; Austjord Vik, Andrea (Bachelor thesis, 2020)
      Det norske kraftnettet står i dag ovenfor utfordringer som økende elektrisitetsbehov, uregulerbar fornybar energiproduksjon, endringer i forbruksmønster og desentralisert energiproduksjon. Smartby-prosjektet +CityxChange, ...
    • Tilstandsanalyse av vindturbiner ved bruk av SCADA data 

      Khoja, Babi; Standal, David (Bachelor thesis, 2023)
      Vindenergi er og fortsetter å være en essensiell del av kraftproduksjon globalt sett, og derfor er det viktig å redusere nedetid og vedlikeholdskostnader i vindparker. Kunnskap om årsakene til feil i en vind turbin hjelper ...
    • Time evolution of uniform moment zones in a turbulent boundary layer 

      Laskari, Angeliki; de Kat, Roeland; Hearst, R. Jason; Ganapathisubramani, Bharathram (Journal article; Peer reviewed, 2018)
      Time-resolved planar particle image velocimetry (PIV) was used to analyse the structuring of a turbulent boundary layer into uniform momentum zones (UMZs). The instantaneous peak detection method employed by Adrian et al. ...
    • Time to rethink trophic levels in aquaculture policy 

      Cottrell, Richard S.; Metian, Marc; Froehlich, Halley E.; Blanchard, Julia L.; Sand Jacobsen, Nis; McIntyre, Peter B.; Nash, Kirsty L.; Williams, David R.; Bouwman, Lex; Gephart, Jessica A.; Kuempel, Caitlin D.; Moran, Daniel; Troell, Max; Halpern, Benjamin S. (Peer reviewed; Journal article, 2021)
      Aquaculture policy often promotes production of low-trophic level species for sustainable industry growth. Yet, the application of the trophic level concept to aquaculture is complex, and its value for assessing sustainability ...
    • Time-dependent boundary conditions for multiphase flow 

      Olsen, Robert (Doktoravhandlinger ved NTNU, 1503-8181, Doctoral thesis, 2004)
      In this thesis a set of boundary conditions for multiphase flow is suggested. Characteristic-based boundary conditions are reviewed for single-phase flow. The problem of open-boundary conditions is investigated, and to ...
    • Time-Dependent Effects of Glaze Ice on the Aerodynamic Characteristics of an Airfoil 

      Tabatabaei, Narges; Cervantes, Michel; Trivedi, Chirag (Journal article; Peer reviewed, 2018)
      The main objective of this study is to estimate the dynamic loads acting over a glaze-iced airfoil. This work studies the performance of unsteady Reynolds-averaged Navier-Stokes (URANS) simulations in predicting the ...
    • Title: Comparative Life Cycle Assessment of a hydrogen fuel cell and diesel-powered high-speed passenger catamaran 

      Munkvold, Maria Kristine Saksvik (Master thesis, 2020)
      Store utslipps kutt er nødvendig for å overvinne forventet vekst i skipsfartsindustrien. CO2-utslippene fra denne sektoren kan være s˚a mye som 2,5 ganger høyere innen 2050 hvis ikke tiltak blir satt i gang (Smith et al. ...
    • Tofase varmeovergang og strømningsfordeling i prosessteknisk utstyr 

      Olimstad, Øyvind Qvarsten (Master thesis, 2007)
      Sammendrag del 1: Institutt for Energi- og Prosessteknikk ved NTNU har inngått et samarbeid med industrien for å utvikle et fordamperkjølerkonsept til smelteovnskjøling. Dette konseptet anvender boblekoking av et høytemperatur ...
    • Tolman lengths and rigidity constants from free-energy functionals – General expressions and comparison of theories 

      Rehner, Philipp; Aasen, Ailo; Wilhelmsen, Øivind (Journal article; Peer reviewed, 2019)
      The leading order terms in a curvature expansion of the surface tension, the Tolman length (first order), and rigidities (second order) have been shown to play an important role in the description of nucleation processes. ...
    • Tolman lengths and rigidity constants of multicomponent fluids: Fundamental theory and numerical examples 

      Aasen, Ailo; Blokhuis, Edgar M.; Wilhelmsen, Øivind (Journal article; Peer reviewed, 2018)
      The curvature dependence of the surface tension can be described by the Tolman length (first-order correction) and the rigidity constants (second-order corrections) through the Helfrich expansion. We present and explain ...
    • Too much consumption or too high emissions intensities? Explaining the high consumption-based carbon footprints in the Nordic countries 

      Heinonen, Jukka; Olson, Sarah; Czepkiewicz, Michal; Árnadóttir, Áróra; Ottelin, Juudit (Peer reviewed; Journal article, 2022)
      Consumption-based carbon footprints have been widely used to examine how different demand-side solutions can reduce the emissions from personal consumption. This study not only utilized consumption-based carbon footprints ...