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    • On-Off and PI control of methane gas production of a pilot anaerobic digestion reactor 

      Haugen, Finn; Bakke, Rune; Lie, Bernt (Journal article; Peer reviewed, 2013)
      A proposed feedback control system for methane flow control of a real pilot anaerobic digestion reactor fed with dairy waste is designed and analyzed using the modified Hill model, which has previously been adapted to the ...

    • One for all and all for one. En kvalitativ undersøkelse av ungdommers vennskapsrelasjoner på en indisk internatskole 

      Lindgren, Anniken Dale (Master thesis, 2017)
      Det et økende behov i Norge for bred og grunnleggende kunnskap om India, da Norge beskrives som et flerkulturelt samfunn (Nieuwenhuys, 2009, s. 148; Thorbjørnsrud, 2009, s. 201). Derfor kan man hevde at man i Norge behøver ...

    • One visitor too many: Assessing the degree of overtourism in established European urban destinations 

      Amore, Alberto; Falk, Martin Thomas; Adie, Bailey Ashton (Peer reviewed; Journal article, 2020)
      Purpose: The purpose of this study is to provide a series of indicators to determine the limits to urban tourism growth, tourism gentrification and overtourism. The study addresses overtourism within the frame of urban ...

    • One-dimensional charged kaon femtoscopy in p-Pb collisions at √sNN = 5.02 TeV 

      Acharya, Shreyasi; Adamová, Dagmar; Adhya, Souvik Priyam; Adler, Alexander; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Neelima; Ahammed, Zubayer; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Grøttvik, Ola Slettevoll; Lofnes, Ingrid Mckibben; Nystrand, Joakim; Rehman, Attiq ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Yang, Shiming; Yuan, Shiming; Zhou, Zhuo; Arsene, Ionut Cristian; Bätzing, Paul Christoph; Dordic, Olja; Lardeux, Antoine Xavier; Lindal, Svein; Mahmood, Sohail Musa; Malik, Qasim Waheed; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Langøy, Rune; Lien, Jørgen; Ahmad, Shafiq F.; Ahn, Sang Un; Aiola, Salvatore; Akindinov, Alexander; ALICE, Collaboration (Journal article; Peer reviewed, 2019)
      The correlations of identical charged kaons were measured in p-Pb collisions at √sNN=5.02 TeV by the ALICE experiment at the LHC. The femtoscopic invariant radii and correlation strengths were extracted from one-dimensional ...

    • One-dimensional model of turbulent flow of non-Newtonian drilling mud in non-prismatic channels 

      Welahettige, Prasanna Kumara Welahetti; Lundberg, Joachim; Bjerketvedt, Dag; Lie, Bernt; Vågsæther, Knut (Peer reviewed; Journal article, 2019)
      One-dimensional model of non-Newtonian turbulent flow in a non-prismatic channel is challenging due to the difficulty of accurately accounting for flow properties in the 1-D model. In this study, we model the 1-D Saint–Venant ...

    • One-dimensional pion, kaon, and proton femtoscopy in Pb-Pb collisions at √sNN=2.76 TeV 

      Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahn, Sang Un; Aimo, Ilaria; Aiola, Salvatore; Alme, Johan; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Altinpinar, Sedat; Djuvsland, Øystein; Haaland, Øystein Senneset; Huang, Meidana; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røhrich, Dieter; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Zhang, Hui; Zhou, Zhuo; Arsene, Ionut Christian; Bätzing, Paul Christoph; Dordic, Olja; Lindal, Svein; Mahmood, Sohail Musa; Milosevic, Jovan; Qvigstad, Henrik; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Langøy, Rune; Lien, Jørgen; Ajaz, Muhammad; Akindinov, Alexander; Alam, Sk Noor; Aleksandrov, Dimitry; Alessandro, Bruno; Alexandre, Didier; Alfaro, Molina; ALICE, Collaboration; Zhu, Hongsheng (Journal article; Peer reviewed, 2015)
      The size of the particle emission region in high-energy collisions can be deduced using the femtoscopic correlations of particle pairs at low relative momentum. Such correlations arise due to quantum statistics and Coulomb ...

    • One-step Conversion of Ethylene to Propylene by a NiSO₄-ReO x/γ-A1₂O₃ Catalyst 

      Li, Lu (Doctoral dissertations at the University College of Southeast Norway;4, Doctoral thesis, 2016-06-22)
      The demand for propylene has dramatically increased due to the discovery of propylene’s derivatives (e.g. polypropylene). The propylene production from the conventional processes (steam cracking process and a refinery fluid ...

    • OneNote + Tilpasset opplæring = Sant? 

      Haugerud, Anelinn (Master thesis, 2021)
      Tema for denne masteroppgaven er tilpasset opplæring og digitale læringsressurser. Bakgrunnen for studien er at den norske fellesskolen representerer et bredt spekter av mangfold av elever, ambisjonene er at fellesskolen ...

    • Online acoustic chemometric monitoring of fish feed pellet velocity in a pneumatic conveying system 

      Halstensen, Maths; Ihunegbo, Felicia Nkem; Ratnayake, Chandana; Sveinsvold, Karl (Journal article; Peer reviewed, 2014-03-14)
      Fish farmers consider the cost of fish feed pellets as one of the most expensive factors in fish cultivation. Proper control of the handling and conveying systems is necessary to avoid damage and disintegration of the ...

    • Online Drilling Fluid Flowmetering in Open Channels with Ultrasonic Level Sensors using Critical Depths 

      Chhantyal, Khim; Viumdal, Håkon; Mylvaganam, Saba (Journal article; Peer reviewed, 2017)
      In drilling operations, non-Newtonian drilling fluid is continuously circulated in a closed loop. One of the ways to monitor and regulate drilling operations is by accurately measuring the flow rate of circulating drilling ...

    • Online estimation of wax deposition thickness in single-phase sub-sea pipelines based on acoustic chemometrics: A feasibility study 

      Halstensen, Maths; Arvoh, Benjamin Kaku; Amundsen, Lene; Hoffmann, Rainer (Journal article; Peer reviewed, 2012-10-25)
      Wax deposition in sub-sea oil producing pipelines is a concern to the oil producing companies. The deposition of wax in pipelines can cause serious economic implications if not monitored and controlled. Several researchers ...

    • Online monitoring and visualizing of a generator’s capability with Simulink 

      Khadka, Prabesh (Master thesis, 2019)
      The power systems today are becoming more larger, complex and are operating closer to their security and stability limits particularly due to an increase in load demands and number of environmental concerns. Voltage ...

    • Online teaching in higher education during the COVID-19 pandemic 

      Svihus, Cathrine Larsen (Peer reviewed; Journal article, 2023)
      Because of COVID-19, online teaching has become a necessity for most educators in higher education. Before the pandemic, the technology was merely accepted and adopted by a few educators, hence only being used to a small ...

    • Only dead fish follows the current: A telemetry study on migratory behavior of spawning Atlantic salmon (Salmo salar) in the upper reaches of the watershed of Skienselva R. with period of high-resolution tracking in Sauar R. 

      Esbensen, Sander Andreas Agerbo (Master thesis, 2022)
      To evaluate the recent efforts to better the conditions for migrating Atlantic salmon (Salmo salar) seeking spawning areas in the upper reaches of Skienselva River watershed. 75 salmon were tagged between 24. June and 15. ...

    • Open Access - opprettelse av åpent institusjonelt arkiv i HiBu : rapport fra arbeidsgruppe 

      Ukjent forfatter (Research report, 2008-05-09)
      Arbeidsgruppen anbefaler at det opprettes et institusjonelt arkiv i HiBu fra 1.1.2008. Dette arkivet skal inneholde vitenskapelige arbeider fra ansatte og studentarbeider på bachelor- og masternivå. HiBus institusjonelle ...

    • Open Active Contour Model For Front Tracking Of Detonation Waves 

      Maharjan, Samee; Lysaker, Ola Marius; Gaathaug, André Vagner (Journal article; Peer reviewed, 2017)
      This paper presents an image processing framework for tracking the front of the detonation wave from a sequence of images. The images are captured by high speed camera during a laboratory gas explosion experiment. By ...

    • Open hatch bulk shipping joint ventures: Motives, opportunities and challenges 

      Bjørknes, Børje (Master thesis, 2019)
      This study presents the results of a single-case study on the possible motives, opportunities, and impediments for establishing joint ventures in bulk and open hatch bulk carriers shipping sector. The findings derive from ...

    • Open heavy-flavour production and elliptic flow in p-Pb collisions at the LHC with ALICE 

      Zanoli, Henrique J. C.; Acharya, Shreyasi; Acosta, Fernando T.; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Neelima; Ahammed, Zubayer; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Nystrand, Joakim; Rehman, Attiq Ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Zhou, Zhuo; Arsene, Ionut Cristian; Bätzing, Paul Christoph; Dordic, Olja; Lardeux, Antoine Xavier; Lindal, Svein; Mahmood, Sohail Musa; Malik, Qasim Waheed; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Helstrup, Håvard; Langøy, Rune; Lien, Jørgen; Ahn, Sang Un; Aiola, Salvatore; Akindinov, Alexander; Al-Turany, Mohammad; Alam, Sk Noor; Albuquerque, D. S. D.; Aleksandrov, Dmitry; Alessandro, Bruno; ALICE, Collaboration (Journal article; Peer reviewed, 2019)
      Measurements of open heavy flavour production in p–A collisions allow the investigation of Cold Nuclear Matter effects. In addition, they are an important tool for a complementary investigation of the long-range correlations ...

    • Open Source Hardware and Software Alternative to Industrial PLC 

      Rúnarsson, Sturla (Master thesis, 2016)
      The revolution of Internet of Things (IoT), Industrial Internet of Things (IIoT) and Industry 4.0 is approaching with new market opportunities for all kinds of smart devices. This thesis was about building such a device, ...

    • Open Strategy in a Smart City 

      Einola, Suvi; Kohtamäki, Marko; Hietikko, Harri (Peer reviewed; Journal article, 2019)
      To attract new companies and a talented workforce in a way that increases income streams, cities are searching for strategic capabilities by using a variety of strategic practices. The present study participates in the ...