• Gas Turbine Intake Filters 

      Vasset, Peder Andreas (Master thesis, 2009)
    • Gas Turbine Intake Filters 

      Vasset, Peder Andreas (Master thesis, 2009)
      Energy offshore is mainly generated by gas turbines. Degradation of gas turbines is a source of considerable expenses for the oil and gas producing companies, and contributes to increased emissions to the atmosphere. ...
    • Gas Turbine Operation - Drift av Gassturbiner 

      Aamodt, Edvard (Master thesis, 2018)
      Important power and mechanical drive demands offshore are met by utilizing gas turbines. The safe and reliable operation of these fine-tuned thermo machines are of key importance to maintain platform operation. Problems ...
    • Gas Turbine Optimum Operation 

      Flesland, Synnøve Mangerud (Master thesis, 2010)
      Many offshore installations are dependent on power generated by gas turbines and a critical issue is that these experience performance deterioration over time. Performance deterioration causes reduced plant efficiency and ...
    • Gas Turbine Performance Deterioration 

      Verlo, Simen Berg (Master thesis, 2010)
      IToday, gas turbines are generally used to produce electricity and drive natural gas compressors on offshore installations. The performance of gas turbines is reduced gradually, and this lead to reduced production capacity ...
    • Gas-side fouling of heat exchanger surfaces 

      Tandberg, Alexander Ruslan (Master thesis, 2017)
      Fouling is an unpleasant and unavoidable occurrence in heat exchangers that decreases the performance of the heat exchanger. Fouling reduces the overall efficiency of a system and can lead to equipment failure. Understanding ...
    • Gasification of Biomass for Second Generation Biofuel Production 

      Li, Tian (Doctoral thesis at NTNU;2015:77, Doctoral thesis, 2015)
      Gasification of biomass is perceived as one of the most attractive thermochemical processes to produce carbon neutral syngas that can be burned to release energy or used as the building blocks for the production of ...
    • Gasification of High Heating-rate Biomass-derived Chars at Elevated Temperatures 

      Li, Tian; Niu, Yanqing; Wang, Liang; Løvås, Terese (Journal article; Peer reviewed, 2017)
      In this study, gasification behavior of high heating-rate chars were investigated using an entrained flow reactor with an optical particle-sizing pyrometer. Two biomass chars produced from forest residue and torrefied ...
    • Gass/væskeseparasjon i LNG-anlegg 

      Sandmoe, Marit (Master thesis, 2008)
      Oppgaven evaluerer separasjonsutstyr som benyttes i Hammerfest LNG-anlegg med hovdefokus på virkemåte og separasjonseffektivitet. Driftsdata fra høsten 2007/våren 2008 sammenlignes med designdata og uregulær drift kartlegges. ...
    • Gasskraftverk med CO2-håndtering - Studie av alternative teknologier 

      Bolland, Olav; Hagen, Roger; Maurstad, Ola; Tangen, Grethe; Juliussen, Olav; Svendsen, Hallvard Fjøsne (Research report, 2002)
      Rapporten dokumenterer en studie som beskriver og sammenligner 12 ulike teknologier for gasskraftverk med CO2-håndtering. Merkostnaden for å fjerne CO2 i forbindelse med elektrisitetproduksjon er i studien beregnet til ...
    • Gassrensing og varmegjennvinning i ferrolegeringsindustrien 

      Gjerde, Ida Julseth (Master thesis, 2007)
      Produksjon av ferrolegeringer foregår ved høye temperaturer, og store mengder støv dannes i prosessen. Denne oppgaven gir en generell oversikt over ferrolegeringsindustrien, med fokus på hvordan støvpartiklene kan fjernes ...
    • General bulk-viscous solutions and estimates of bulk viscosity in the cosmic fluid 

      Normann, Ben David; Brevik, Iver Håkon (Journal article; Peer reviewed, 2016)
      We derive a general formalism for bulk viscous solutions of the energy-conservation equation for ρ(a,ζ) ρ(a,ζ) , both for a single-component and a multicomponent fluid in the Friedmann universe. For our purposes, these ...
    • A general framework for stock dynamics of populations and built and natural environments 

      Lauinger, Dirk; Billy, Romain Guillaume; Vasquez, Felipe; Mueller, Daniel Beat (Peer reviewed; Journal article, 2021)
      Sustainable development involves a responsible management of the interactions between humans and their built and natural environment. From a physical perspective, the interactions can be characterized as stocks and flows ...
    • General heat transfer correlations for supercritical carbon dioxide heated in vertical tubes for upward and downward flows 

      Ye, Zuliang; Zendehboudi, Alireza; Hafner, Armin; Cao, Feng (Peer reviewed; Journal article, 2022)
      Supercritical CO2 is a promising working fluid for many industrial applications. To improve the performances of relevant components and systems, the prediction of the heat transfer of supercritical CO2 is an important ...
    • Generalised Eddy Dissipation Concept for MILD combustion regime at low local Reynolds and Damköhler numbers. Part 2: Validation of the model 

      Lewandowski, Michal; Li, Zhiyi; Parente, Alessandro; Pozorski, Jacek (Peer reviewed; Journal article, 2020)
      The generalised Eddy Dissipation Concept (EDC) developed in the first part of this article is thoroughly validated against twelve flames from the Delft and Adelaide jet-in-hot-coflow (JHC) burners. These flames emulate ...
    • Generating environmental sampling and testing data for micro- and nanoplastics for use in life cycle impact assessment 

      Askham, Cecilia; Pauna, Valentina H.; Boulay, Anne-Marie; Fantke, Peter; Jolliet, Olivier; Lavoie, Jerome; Booth, Andy; Coutris, Claire; Verones, Francesca; Weber, Miriam; Vijver, Martina G.; Lusher, Amy Lorraine; Hajjar, Carla (Peer reviewed; Journal article, 2022)
      Ongoing efforts focus on quantifying plastic pollution and describing and estimating the related magnitude of exposure and impacts on human and environmental health. Data gathered during such work usually follows a receptor ...
    • Geo-referenced building stock analysis as a basis for local-level energy and climate mitigation strategies 

      Lausselet, Carine; Rokseth, Lillian Sve; Lien, Synne Krekling; Bergsdal, Håvard; Tønnesen, J.; Brattebø, Helge; Sandberg, Nina Holck (Peer reviewed; Journal article, 2022)
      A geo-referenced building stock model was used to analyse the energy and climate performance of the Knowledge Axis in Trondheim, Norway, by 2050. Strategies for energy upgrades, construction of more energy-efficient new ...
    • Geometrical flexibility of platinum nanoclusters: impacts on catalytic decomposition of ethylene glycol 

      Mahmoodinia, Mehdi; Trinh, Thuat; Åstrand, Per-Olof; Tran, Quang Khanh (Journal article; Peer reviewed, 2017)
      Catalytic decomposition of ethylene glycol on the Pt13 cluster was studied as a model system for hydrogen production from a lignocellulosic material. Ethylene glycol was chosen as a starting material because of two reasons, ...
    • Geophysical electromagnetic modeling and evaluation: A review 

      Wang, Bochen; Liu, Jianxin; Hu, Xiangping; Liu, Jiawei; Guo, Zhenwei; Xiao, Jianping (Peer reviewed; Journal article, 2021)
      Electromagnetic forward modeling is the cornerstone of geophysical electromagnetic inversion. During the last 50 years, numerical simulation methods have been rapidly developed and widely used in geophysical area as the ...
    • Geophysical Field Data Interpolation Using Stochastic Partial Differential Equations for Gold Exploration in Dayaoshan, Guangxi, China 

      Guo, Zhenwei; Hu, Xiangping; Liu, Jianxin; Xiao, Jianping; Liu, Chunming (Journal article; Peer reviewed, 2019)
      In a geophysical survey, one of the main challenges is to estimate the physical parameter using limited geophysical field data with noise. Geophysical datasets are measured with sparse sampling in a survey. However, the ...