Blar i Fakultet for teknologi, naturvitenskap og maritime fag på tittel

Viser treff 1109-1128 av 1648

    • 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 ...

    • 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 ...

    • 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 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 user interface architecture for digital multivendor ship bridge systems 

      Nordby, Kjetil; Mallam, Steven; Lützhöft, Margareta Holtensdotter (Peer reviewed; Journal article, 2019)
      Equipment found on ship bridges rarely offer consistent user interface design across the numerous systems that seafarers interact with. It is well documented in human-computer interaction research that consistency is an ...

    • OpenHPL for Modelling the Trollheim Hydropower Plant 

      Vytvytskyi, Liubomyr; Lie, Bernt (Peer reviewed; Journal article, 2019)
      An increase of tightly integrated, renewable energy sources with highly varying production leads to a greater need for flexible hydropower plants to “balance” the intermittent production from these sources. From a systems ...

    • Optical performance of piezoelectrically actuated MEMS tunable lenses with various pupil geometries 

      Abdelmeguid, Mahmoud Ahmed Farghaly; Akram, Muhammad Nadeem; Halvorsen, Einar (Journal article; Peer reviewed, 2017)
      Abstract. A square geometry for the diaphragm of microelectromechanical systems (MEMS) tunable lenses with circular pupils is often used. This square diaphragm introduces aberrations that would not be present for a circular ...

    • Optimal control strategies with nonlinear optimization for an Electric Submersible Pump lifted oil field 

      Sharma, Roshan; Glemmestad, Bjørn (Journal article; Peer reviewed, 2013)
      In an Electric Submersible Pump (ESP) lifted oil field, the ESP of each oil well should be operated inside its operating window. The total power consumed by the ESPs in the oil field should be minimized. The speed of the ...

    • Optimal design and operation of a UASB reactor for dairy cattle manure 

      Haugen, Finn; Bakke, Rune; Lie, Bernt; Hovland, Jon; Vasdal, Knut (Journal article; Peer reviewed, 2015-02-01)
      Optimal design and operation of a planned full-scale UASB reactor at a dairy farm are determined using optimization algorithms based on steady state simulations of a dynamic AD process model combined with models of the ...

    • Optimal foraging by a large ungulate in an extreme environment: Wild mountain reindeer select snow-free feeding habitats in winter 

      Romtveit, Lena; Strand, Olav; Mossing, Anders; Kastdalen, Leif; Hjeltnes, Arne William; Bjerketvedt, Dag Kjartan; Odland, Arvid; Heggenes, Jan (Journal article; Peer reviewed, 2021)
      Optimal foraging models predict that individual animals will optimize net energy gain by intensifying forage activity and/or reducing forage energy cost. Then, the free distribution model predicts an animal's distribution ...

    • Optimal Frequency Support of Variable-Speed Hydropower Plants at Telemark and Vestfold, Norway: Future Scenarios of Nordic Power System 

      Acosta Montalvo, Martha Nohemi; Pettersen, Daniel; Gonzalez-Longatt, Francisco; Peredo Argos, Jaime; Andrade, Manuel A. (Peer reviewed; Journal article, 2020)
      The integration of renewable resources is quickly growing in the Nordic power system (NPS), and it has led to increasing challenges for the operation and control of the NPS. Nordic countries require that the first-generation ...

    • Optimal Operation of Stand-Alone Microgrid Considering Emission Issues and Demand Response Program Using Whale Optimization Algorithm 

      Tahmasebi, Mehrdad; Pasupuleti, Jagadeesh; Mohamadian, Fatemeh; Shakeri, Mohammad Taghi; Guerrero, Josep M.; Basir Khan, M. Reyasudin; Nazir, Mohammad; Safari, Amir; Bazmohammadi, Najmeh (Peer reviewed; Journal article, 2021)
      Microgrids are new technologies for integrating renewable energies into power systems. Optimal operation of renewable energy sources in standalone micro-grids is an intensive task due to the continuous variation of their ...

    • Optimal Operation of the Peat Drying Process in Steam Tube Dryers 

      Kulakovsky, Leonid; Rosen, Victor; Sharma, Roshan; Pfeiffer, Carlos Fernando; Lie, Bernt (Journal article; Peer reviewed, 2015-11-25)
      Ukraine is an energy-dependent country and aims to reduce the import of natural gas, heat, and power in general. This implies extracting fuel from her own natural resources; one relevant and readily available energy carrier ...

    • Optimal Settings of Fast Active Power Controller: Nordic Case 

      Acosta Montalvo, Martha Nohemi; Gonzalez-Longatt, Francisco; Denysiuk, Serhii; Strelkova, Halyna (Chapter, 2020)
      The Nordic power system is continuously changing, and it has been experiencing a growing replacing of conventional power plants with renewable power plants, this together with other factors are causing reduction of the ...

    • Optimal Tuning of Active Power Gradient Control for Frequency Support in Multi-Energy Systems 

      Perilla, Arcadio; Gusain, Digvijay; Rueda, Jose Luis; Palensky, Peter; A. M. M. van der Meijden, Mart; Gonzalez-Longatt, Francisco (Chapter, 2020)
      Coping with severe active power imbalances constitutes a challenging task in low inertia multi-energy systems. The phase out of the majority of conventional power plants with large size synchronous generators entails that ...

    • Optimal UFLS Settings: An Assessment of Frequency System Response Indicators 

      Acosta Montalvo, Martha Nohemi; Adiyabazar, Choidorj; Gonzalez-Longatt, Francisco; Rueda Torres, Jose Luis; Palensky, Peter (Chapter, 2020)
      This paper investigates the positive changes in the system frequency response indicators caused by the implementation of a set of optimal settings of an under-frequency load shedding (UFLS) scheme. The optimal UFLS scheme ...