• Restoration and Testing of the Hydra Research‐Engine 

      Karlsen, Åsmund Kyrkjeeide (Master thesis, 2017)
      This thesis has aimed to be a driving factor in the restoration process of the Hydra research engine. During the semester, several changes and improvements has been done to restore the engine to its former glory. These ...
    • Restoration of smart grids: Current status, challenges, and opportunities 

      Fan, Dongming; Ren, Yi; Feng, Qiang; Liu, Yiliu; Wang, Zili; Lin, Jing (Peer reviewed; Journal article, 2021)
      Smart grids, which constitute intelligent infrastructure in smart cities, provide reliable, energy-efficient, and high-quality power to improve the standard of living while maintaining a sustainable environment. For ...
    • Resultatundersøkelsen 2003 for Stiftelsen Miljøfyrtårn 

      Thortveit, Lars (Reports from Industrial Ecology Programme (IndEcol), 1501-6153; 2004:2, Research report, 2004)
      Miljøfyrtårn er et frivillig sertifiseringssystem for små og mellomstore offentlige og private virksomheter. Pr 6.7.2004 var 656 virksomheter sertifiserte. Av disse leverte 299 miljørapport for 2003. Stiftelsen Miljøfyrtårn ...
    • Resultatundersøkelsen 2004 for Stiftelsen Miljøfyrtårn 

      Thortveit, Lars (Reports from Industrial Ecology Programme (IndEcol), 1501-6153; 2005:2, Research report, 2005)
      Miljøfyrtårn er et frivillig sertifiseringssystem for små- og mellomstore bedrifter og offentlige virksomheter. Pr 15.7.2005 var 761 virksomheter sertifiserte. Av disse leverte 389 miljørapport for 2004. Miljørapportene ...
    • Resultatundersøkelsen 2005 for Stiftelsen Miljøfyrtårn 

      Karlsen, John Amund (Reports from Industrial Ecology Programme (IndEcol), 1501-6153; 2006:3, Research report, 2006)
      Miljøfyrtårn er en frivillig sertifisertingsordning for små og mellomstore bedrifter og offentlige virksomheter. Per 31.12.2005 hadde 842 virksomheter gyldige sertifikater. Av disse leverte 494 virksomheter miljørapport ...
    • Results of a Ka Band Campaign for the Characterisation of Propagation Conditions for SatCom Systems at High Latitudes 

      Tjelta, Terje; Rytír, Martin; Bråten, Lars Erling; Grotthing, Per Arne; Cheffena, Michael; Håkegård, Jan Erik (Chapter, 2017)
      Satellite services in the High North are utilized extensively for both communication purposes and for earth and climate observations. This paper presents results of two year measurements at 20 GHz and co-sited meteorological ...
    • Results of IEA Wind TCP Workshop on a Grand Vision for Wind Energy Technology 

      Dykes, Katherine; Veers, Paul; Lantz, Eric; Holttinen, Hannele; Carlson, Ola; Tuohy, Aidan; Sempreviva, Anna Maria; Clifton, Andrew; Rodrigo, Javier Sanz; Berry, Derek; Laird, Daniel; Carron, Scott; Moriarty, Patrick; Marquis, Melinda; Meneveau, Charles; Peinke, Joachim; Johnson, Nick; Pao, Lucy; Fleming, Paul; Bottasso, Carlo L.; Lehtomäki, Ville; Robertson, Amy; Muskulus, Michael; Manwell, Jim; Tande, John Olav Giæver; Sethuraman, Latha; Roberts, Owen; Fields, Jason (Research report, 2019)
      The wind industry has realized substantial growth reaching over 500 gigawatts (0.5 terawatts) of installed capacity in 2017 (Global Wind Energy Council 2018) and producing about 5% of global electricity demand in 2016 ...
    • Resuscitative endovascular balloon occlusion of the aorta (REBOA) in non-traumatic out-of-hospital cardiac arrest: Evaluation of an educational programme 

      Brede, Jostein Rødseth; Lafrenz, Thomas; Krüger, Andreas; SØVIK, EDMUND; Steffensen, Torjus Lines; Kriesi, Carlo; Steinert, Martin; Klepstad, Pål (Journal article; Peer reviewed, 2019)
      Background Out-of-hospital cardiac arrest (OHCA) is a critical incident with a high mortality rate. Augmentation of the circulation during cardiopulmonary resuscitation (CPR) might be beneficial. Use of resuscitative ...
    • Retention and detention-based roofs for stormwater management in urban environments in cold climates 

      Hamouz, Vladimír (Doctoral theses at NTNU;2020:305, Doctoral thesis, 2020)
      The combined effect of urbanization and climate change, which results in an increased level of imperviousness, is currently causing stress to urban drainage systems in urban areas unable to preserve the hydrological cycle ...
    • Rethinking Surface Design and Materials of Skis 

      Skoglund, Andreas (Master thesis, 2017)
      Rethinking Surface Design and Materials of Skis
    • Retrieval of Ocean Wave Spectra From X-Band Marine Radar Images Using Inversion Schemes Based on Auto-Spectral Analysis 

      Radhakrishnan, Gowtham; Leira, Bernt Johan; Gao, Zhen; Sævik, Svein; Christakos, Konstantinos (Chapter, 2023)
      Estimation of ocean wave conditions is extremely crucial for the planning and execution of demanding marine operations. Further, the Response Based Decision-Making requires accurate wave inputs to derive the responses using ...
    • Retrieval operations of derelict fishing gears give insight on the impact on marine life 

      Vodopia, Dorian; Verones, Francesca; Askham, Cecilia; Larsen, Roger Bertram (Peer reviewed; Journal article, 2024)
      Abandoned, lost and discarded fishing gear (ALDFG), significantly impacts marine ecosystems and biodiversity by incidental capture known as ghost fishing. Such impacts were quantified during the Norwegian Directorate of ...
    • Retrieving virtual reflection responses at drill-bit positions using seismic interferometry with drill-bit noise 

      Liu, Yi; Draganov, Deyan; Wapenaar, Kees; Arntsen, Børge (Journal article; Peer reviewed, 2016)
      In the field of seismic interferometry, researchers have retrieved surface waves and body waves by cross-correlating recordings of uncorrelated noise sources to extract useful subsurface information. The retrieved wavefields ...
    • Retrofit of a Kindergarten Targeting Zero Energy Balance 

      Causone, Francesco; Carlucci, Salvatore; Moazami, Amin; Cattarin, Giulio; Pagliano, Lorenzo (Journal article; Peer reviewed, 2015-11)
      Old buildings that are severe energy wasters and provide low indoor environmental quality (IEQ) form a large fraction of the European building stock. These buildings represent nevertheless, an asset that should be re-evaluated ...
    • Retrofit Preparations of Liquid Natural Gas Carriers to Handle Future Uncertainty 

      Rimereit, Sigurd (Master thesis, 2022)
      Skipseiere står i dag overfor et betydelig problem når de bestiller skip. Nye utslippsreguleringer tvinger eldre skip til å redusere motorkraften eller gjøre kostbare ombygginger. Reguleringene vil bli strengere og strengere ...
    • Retrofitting a Deep Sea Shipping Fleet; Keeping Up With Regulatory Emissions Targets 

      Dietrichson, Felix August Sødal (Master thesis, 2023)
      Denne masteroppgaven belyser en presserende global utfordring, nemlig behovet for å kutte klimagassutslipp i internasjonal skipsfart. Selv om rundt 90% av den internasjonale godstrafikken skjer via dyphavsskipsfart, er det ...
    • Retrofitting combined sewer systems with nature-based solutions using long-term climate scenarios 

      Hølleland, Martina (Master thesis, 2020)
      Urbane fellessystemer verden rundt står overfor kapasitetsbegrensninger og tilpasningskrav for å kunne møte fremtidige klimaendringer. Separering av avløp og overvann i tette urbane strøk er ofte kostbart, samtidig som det ...
    • Retrofitting of non-hydro reservoirs and dams in Menderes river basin, Turkey 

      Okang, Quentin (Master thesis, 2022)
      Abstrakt En økende global bekymring for vannmangel, klimaendringer og energiomstilling har satt fokus på vannkraftindustrien for rollen den spiller i å håndtere disse problemene. Mens vannoppdemming av demninger skaper ...
    • Retrofitting of Norwegian Office Buildings towards Nearly Zero Energy-Technical, Environmental, and Economic Aspects 

      Rabani, Mehrdad (Doctoral theses at NTNU;2021:403, Doctoral thesis, 2021)
      The increasing proportion of energy use for buildings in urban environments has necessitated energy efficiency and advancement of the sustainable transformation of building stock towards the zero energy/emission level. In ...
    • Retrofitting of pressurized sand traps in hydropower plants 

      Richter, Wolfgang; Vereide, Kaspar; Mauko, Gašper; Havrevoll, Ola Haugen; Schneider, Josef; Zenz, Gerald (Peer reviewed; Journal article, 2021)
      Unlined pressure tunnels in sound rock, combined with pressurized sand traps at the downstream end, allow for low-cost construction of hydropower tunnel systems. This design concept is utilized in hydropower plants across ...