Blar i Institutt for maskinteknikk og produksjon på tittel

Viser treff 3221-3240 av 3991

    • Rotation Representations Methods for Pose Estimation with Deep Learning 

      Grüner, Henrik (Master thesis, 2022)
      Problemstillingen med å estimere rotasjonsmatriser i 3D er et gammelt problem i datasyn som har gjenoppstått sammen med den ekstreme økningen av metoder i dyp læring. Det har blitt forsøkt å benytte nevrale nettverk for ...

    • Rotårsaksanalyser 

      Smedvik, Kjetil Andre (Master thesis, 2010)
      Målet med masteroppgaven har vært å utvikle en håndbok for rotårsaksanalyser (RCA) som landorganisasjonen til Odfjell Drilling kan benytte. Bakgrunnen for utviklingen av håndboken var den økende bevisstheten rundt verktøyet ...

    • Rotordynamic and Computational Fluid Dynamic Analysis of Electrical Pump 

      Johansen, Phillip; Ananiassen, Simen; Ingebrigtsen, Øyvind (Bachelor thesis, 2021)

    • ROV elektronikksylindre av kompositt til bruk ved store havdyp 

      Olsen, Thor Øystein (Master thesis, 2012)
      Sperre AS produserer i stor grad hele ROV konstruksjonen sin i aluminiumslegeringen AA6082-T6. Dette er et velegnet materiale for oppgava, men med noen mangler.Denne oppgava fokuserer på elektronikksylindrene til ROV-en, ...

    • "ROV Intervention Tool Skid (RITS)": Development of a new ROV tool 

      Nørstebø, Magnus (Master thesis, 2014)
      Most subsea installations have their own, integrated control and automation systems. In cases where this is impossible or the mechanism fails, the only unit that can handle such problems is the ROV. This makes the ROV ...

    • ROV-basert multi-sensor verktøy for inspeksjon og overvåking av undervanns rørledning 

      Moe, Christer (Master thesis, 2014)
      Offshore industrien bruker store ressurser på å sikre integriteten til undervannsrørledninger. Feilmekanisme i form av lekkasje vil ha direkte innvirkning på driften. Det iverksettes derfor omfattende vedlikeholdsstrategier ...

    • Rubber contact mechanics: adhesion, friction and leakage of seals 

      Tiwari, Avinash; Dorogin, Leonid; Tahir, M; Stöckelhuber, Klaus Werner; Heinrich, Gert; Espallargas, Nuria; Persson, B. N. J (Journal article; Peer reviewed, 2017)
      We study the adhesion, friction and leak rate of seals for four different elastomers: Acrylonitrile Butadiene Rubber (NBR), Ethylene Propylene Diene (EPDM), Polyepichlorohydrin (GECO) and Polydimethylsiloxane (PDMS). ...

    • Rubber friction: The contribution from the area of real contact 

      Tiwari, Avinash; Miyashita, N; Espallargas, Nuria; Persson, Bo N.J. (Journal article; Peer reviewed, 2018)
      There are two contributions to the friction force when a rubber block is sliding on a hard and rough substrate surface, namely, a contribution Fad = τf A from the area of real contact A and a viscoelastic contribution Fvisc ...

    • Runoff Modelling For Bhutan Using Satellite Data 

      Ghimirey, Sagar (Master thesis, 2016)
      Due to the limitations posed by the difficult terrain and lack of resources to install and manage the hydro-meteorological stations, Bhutan faces challenges related to sparse data network while planning water resource ...

    • Rupture analysis of rubber in the presence of a sharp V-shape notch under pure mode-I loading 

      Heydari-Meybodi, M; Ayatollahi, MR; Berto, Filippo (Journal article, 2018)
      The rupture behavior of styrene-butadiene rubbers (SBR) in the presence of a V-shape notch is investigated for the first time both experimentally and theoretically. In the experiments, V-notched samples of SBR are tested ...

    • Rupture Predictions of Notched Ti-6Al-4V Using Local Approaches 

      Peron, Mirco; Torgersen, Jan; Berto, Filippo (Journal article; Peer reviewed, 2018)
      Ti-6Al-4V has been extensively used in structural applications in various engineering fields, from naval to automotive and from aerospace to biomedical. Structural applications are characterized by geometrical discontinuities ...

    • Rusevern til generator for Remote Hydrolights Pamir-turbin 

      Emmerhoff, Morten Birch (Master thesis, 2014)
      Masteroppgaven omhandler produktutviklingsprosessen og konseptet av et rusevern til to konkrete tverrstrømsturbiner i en avsidesliggende landsby i Afghanistan, kalt Daste Rawat. Uønskede hendelser kan oppstå i turbinanlegget, ...

    • RWS modellering og optimalisering 

      Viken, Ola (Master thesis, 2011)
      Ved Kongsberg Protech Systems, en avdeling ved KDA, har det blitt laget en virtuell simuleringsmodell av RWS PROTECTOR M151 (remote weapon system) i simuleringsprogrammet FEDEM. Dette for å kunne studere hvordan ...

    • Rørmontasje ved jacketsbygging 

      Sundkøien, Torgeir Lænn (Master thesis, 2013)
      Rapporten beskriver utviklingen av et nytt konsept for stub-montering. Resultatet er en maskin som monterer stub?er inn på siden av leggen, og gjør det i tillegg til at dagens manuelle montering ovenfra fortsetter som ...

    • SafeT-Next Generation Safety Assessment Framework for Railway: Development of a Framework for the Practical Implementation and Facilitation of STPA 

      Hansen, Sunniva Benedicte Nygård (Master thesis, 2018)
      In this thesis, a systems-theoretic process analysis workshop has been planned and conducted in order to see if the method is advantageous to use at complex systems, and if the analysis reveals more hazardous scenarios ...

    • Safety And Costs Optimization In Hydrogen Delivery 

      Corizza Gaia (Master thesis, 2020)
      In recent decades, attention has been paid to the improvement of hydrogen technologies as replacement of electric and/or hybrid cars. This can be defined as a green solution as the main product of hydrogen combustion is ...

    • Safety and Reliability Assessment of All-Electric Subsea 

      Lindstad, Jon Anders Søberg (Master thesis, 2020)
      Undervannsproduksjon refererer til brønner som ligger på havbunnen, og tilhørende utstyr og moduler for å produsere hydrokarboner. Det vanligste systemet for kontroll av undervannsproduksjon er et elektrohydraulisk system. ...

    • Safety barrier management: Risk‐based approach for the oil and gas sector 

      Hosseinnia Davatgar, Behnaz; Paltrinieri, Nicola; Bubbico, Roberto (Peer reviewed; Journal article, 2021)
      In the Oil and Gas sector, risk assessment and management have always been critical due to the possibility of significant accidents associated with the presence of large amounts of flammable hydrocarbons. Methods to provide ...

    • Safety barriers against common cause failure and cascading failure: literature reviews and modeling strategies 

      Xie, Lin; Lundteigen, Mary Ann; Liu, Yiliu (Chapter, 2018)
      Safety barriers are required in many technical systems to reduce initiating negations, suppress failure propagations, or mitigate the consequences of common cause failures and cascading failures. Based on a thorough ...

    • Safety Barriers in Complex Systems with Dependent Failures: Modeling and Assessment Approaches 

      Xie, Lin (Doctoral theses at NTNU;2022:40, Doctoral thesis, 2022)
      Technical systems are becoming more and more complex with a degree of dependencies. Such dependency issues can significantly reduce system reliability and cause catastrophes without proper prevention. Therefore, a variety ...