• Effects of nonlinear sound propagation in fisheries research 

      Pedersen, Audun (Doctoral thesis, 2007-03-30)
    • Effects of salinity on hydrate stability and implications for storage of CO2 in natural gas hydrate reservoirs 

      Husebø, Jarle; Ersland, Geir; Graue, Arne; Kvamme, Bjørn (Peer reviewed; Journal article, 2009-02)
      The win-win situation of CO2 storage in natural gas hydrate reservoirs is attractive for several reasons in addition to the associated natural gas production. Since both pure CO2 and pure methane form structure I hydrate ...
    • Effects of the guide field on electron distribution functions in the diffusion region of asymmetric reconnection 

      Bessho, Naoki; Chen, Lijen; Wang, Shan; Hesse, Michael (Peer reviewed; Journal article, 2019)
      Crescent electron distribution functions in the electron diffusion region in asymmetric reconnection with a guide field (strength less than 50% of the upstream magnetic field) are investigated by theory and fully kinetic ...
    • Efficacy and User Experience of a Novel X-Ray Shield on Operator Radiation Exposure during Cardiac Catheterization: A Randomized Controlled Trial 

      Davidsen, Cedric; Ytre-Hauge, Kristian Smeland; Samnøy, Andreas Tefre; Vikenes, Kjell; Lancellotti, Patrizio; Tuseth, Vegard (Journal article; Peer reviewed, 2023)
      BACKGROUND: Radiation shielding is mandatory during cardiac catheterization, but there is a need to improve efficacy and ease of use. METHODS: The aim of the study was to assess the shielding effect and user feedback ...
    • Efficient Monte Carlo simulation reveals significant multiple scattering errors in underwater angular scattering measurements 

      Ugulen, Håvard Stavn; Sandven, Håkon; Hamre, Børge; Kristoffersen, Arne Skodvin; Sætre, Camilla (Journal article; Peer reviewed, 2022)
      Multiple scattering can severely affect the accuracy of optical instrumentation. Variance reduction methods have been implemented to improve a Monte Carlo model developed to simulate volume scattering functions measured ...
    • Ein numerisk studie av ammoniakkspreiing i eit urbant område ved bruk av simuleringsverktøyet FLACS 

      Kissner, Sigrid Skipenes (Master thesis, 2018-06-20)
      Ammoniakk er eit giftig stoff som kan føre til skade på menneske og dyr som vert utsett for det. Då store mengder ammoniakk vert frakta og lagra i urbane områder som væske under trykk, vil det ugjere ei stor fare for ...
    • Eksperimentell og numerisk sammenligning av ikke-lineære fokuserte bølger 

      Kvamme, Juli Grønaas (Master thesis, 2023-06-01)
      For konstruksjoner som brukes i off-shore-miljø, utføres tester i bølgetanker hvor det blir generert en havtilstand for å representere ikke-lineære bølgelaster. Et alternativ til slike tester er numeriske simuleringer. ...
    • Eksperimentell studie av vannbasert EOR i karbonatreservoarer 

      Sandven, Asle (Master thesis, 2009-11-20)
      Ulike metoder for økt oljeutvinning (EOR, eng. Enhanced Oil Recovery) har blitt utviklet og anvendt for å forbedre effektiviteten av konvensjonell vannflømming. Hensikten med EOR er å bedre den mikroskopiske fortrengning ...
    • Elastic wave velocities and attenuation under methane hydrate growth in Bentheim sandstone - Measurements and modelling 

      Sæther, Mathias (Doctoral thesis, 2018-12-18)
      Due to the potential for using methane hydrates as an energy source, localizing, monitoring and describing hydrate deposit areas are of interest. This has previously been attempted by using acoustic methods and thus ...
    • Electric spark energy required for igniting transient clouds of lycopodium dust in air using inherent dust cloud triggering of spark discharge. Influences of selected experimental parameters. 

      Dagpin, Michelle Magtuto (Master thesis, 2016-12-01)
      The catastrophic outcome of accidental explosions to humans and property has caused an increased need for new knowledge in order to prevent and mitigate the effects of such events. Amongst other substances, a wide range ...
    • Electric spark ignition of sensitive dust clouds in the sub 1 mJ range 

      Randeberg, Erlend (Doctoral thesis, 2006-05-30)
      This thesis describes a study of the minimum ignition energy (MIE) of easily ignitable dust clouds in air. The MIE is a central parameter when assessing the risk involved when handling combustible dusts. Current standard ...
    • Electrojet Estimates From Mesospheric Magnetic Field Measurements 

      Laundal, Karl Magnus; Yee, J.H.; Merkin, V.G.; Gjerløv, Jesper; Vanhamäki, H.; Reistad, Jone Peter; Madelaire, Michael; Sorathia, K.; Espy, Patrick Joseph (Journal article; Peer reviewed, 2021)
      The auroral electrojet is traditionally measured remotely with magnetometers on ground or in low Earth orbit (LEO). The sparse distribution of measurements, combined with a vertical distance of some 100 km to ground and ...
    • Electron Acceleration and Thermalization at Magnetotail Separatrices 

      Norgren, Astrid Elisabet Cecilia; Hesse, Michael; Graham, Daniel B.; Khotyaintsev, Yuri V.; Tenfjord, Paul; Vaivads, Andris; Steinvall, Konrad; Xu, Yin; Gershman, Daniel J; Lindqvist, Per-Arne; Plaschke, Ferdinand; Burch, James L (Journal article; Peer reviewed, 2020)
      In this study we use the Magnetospheric Multiscale mission to investigate the electron acceleration and thermalization occurring along the magnetic reconnection separatrices in the magnetotail. We find that initially cold ...
    • Electron and photon energy calibration with the ATLAS detector using 2015–2016 LHC proton-proton collision data 

      Aaboud, Morad; Aad, Georges; Abbott, Brad; Abbott, Dale C.; Abdinov, Ovsat Bahram oglu; Abeloos, Baptiste; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Buanes, Trygve; Djuvsland, Julia Isabell; Eigen, Gerald; Fomin, Nikolai; Lipniacka, Anna; Martin dit Latour, Bertrand; Mæland, Steffen; Stugu, Bjarne; Yang, Zongchang; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Feigl, Simon; Franconi, Laura; Garonne, Vincent; Gramstad, Eirik; Hellesund, Simen; Morisbak, Vanja; Oppen, Henrik; Ould-Saada, Farid; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abramowicz, Halina; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adam, Lennart; Adamczyk, Leszek; Adamek, Lukas; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adye, Tim; Affolder, Anthony Allen; ATLAS, Collaboration (Peer reviewed; Journal article, 2019)
      This paper presents the electron and photon energy calibration obtained with the ATLAS detector using about 36 fb−1 of LHC proton-proton collision data recorded at √ s = 13 TeV in 2015 and 2016. The different calibration ...
    • Electron and photon energy calibration with the ATLAS detector using LHC Run 1 data 

      Aad, Georges; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Buanes, Trygve; Dale, Ørjan; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Martin dit Latour, Bertrand; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Smestad, Lillian; Stugu, Bjarne; Ugland, Maren; Bugge, Lars; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Czyczula, Zofia; Franconi, Laura; Gjelsten, Børge Kile; Gramstad, Eirik; Ould-Saada, Farid; Pedersen, Maiken; Pajchel, Katarina; Read, Alexander Lincoln; Røhne, Ole Myren; Stapnes, Steinar; Strandlie, Are; Abreu, Henso; Abreu, Rômulo F.; Adamczyk, Leszek; Adams, David; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Åkerstedt, Henrik; Åkesson, Torsten P.A.; Åsman, Barbro; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-10-01)
      This paper presents the electron and photon energy calibration achieved with the ATLAS detector using about 25 fb −1 of LHC proton–proton collision data taken at centre-of-mass energies of s√=7 and 8 TeV. The reconstruction ...
    • Electron and photon performance measurements with the ATLAS detector using the 2015-2017 LHC proton-proton collision data 

      Aad, Georges; Abbott, Brad; Abbott, Dale C.; Abed Abud, Adam; Abeling, Kira; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Bjørke, Kristian; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Garonne, Vincent; Gramstad, Eirik; Hellesund, Simen; Morisbak, Vanja; Oppen, Henrik; Ould-Saada, Farid; Pedersen, Maiken; Read, Alexander Lincoln; Rye, Eli Bæverfjord; Røhne, Ole Myren; Sandaker, Heidi; Vadla, Knut Oddvar Høie; Buanes, Trygve; Djuvsland, Julia Isabell; Eigen, Gerald; Fomin, Nikolai; Lee, Graham Richard; Lipniacka, Anna; Martin dit Latour, Bertrand; Mæland, Steffen; Stugu, Bjarne; Træet, Are Sivertsen; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Achkar, Baida; Adachi, Shunsuke; Adam, Lennart; Adam-Bourdarios, Claire; Adamczyk, Leszek; Adamek, Lukas; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adorni, Sofia; Adye, Tim; ATLAS, Collaboration (Journal article; Peer reviewed, 2019)
      This paper describes the reconstruction of electrons and photons with the ATLAS detector, employed for measurements and searches exploiting the complete LHC Run 2 dataset. An improved energy clustering algorithm is introduced, ...
    • Electron Behavior Around the Onset of Magnetic Reconnection 

      Spinnangr, Susanne Flø; Hesse, Michael; Tenfjord, Paul Arne Riksheim; Norgren, Cecilia; Kolstø, Håkon Midthun; Kwagala, Norah Kaggwa; Jørgensen, Therese; Phan, Tai D. (Journal article; Peer reviewed, 2022)
      We investigate the onset of magnetic reconnection, utilizing a fully kinetic Particle-In-Cell (PIC) simulation. Characteristic features of the electron phase-space distributions immediately before reconnection onset are ...
    • Electron Bernstein waves driven by electron crescents near the electron diffusion region 

      Li, Wenya; Graham, D. B.; Khotyaintsev, Yuri V.; Vaivads, Andris; André, Mats; Min, K.; Liu, K.; Tang, B.B.; Wang, C.; Fujimoto, K.; Norgren, Astrid Elisabet Cecilia; Toledo-Redondo, Sergio; Lindqvist, Per-Arne; Ergun, R.E.; Torbert, Roy B.; Rager, A.C.; Dorelli, J.C.; Gershman, D.J.; Giles, B. L.; Lavraud, B.; Plaschke, F.; Magnes, W.; Le Contel, Olivier; Russell, Christopher T.; Burch, J. L. (Journal article; Peer reviewed, 2020)
      The Magnetospheric Multiscale (MMS) spacecraft encounter an electron diffusion region (EDR) of asymmetric magnetic reconnection at Earth’s magnetopause. The EDR is characterized by agyrotropic electron velocity distributions ...
    • Electron Heating by Debye-Scale Turbulence in Guide-Field Reconnection 

      Khotyaintsev, Yuri V.; Graham, Daniel B.; Steinvall, Konrad; Alm, Love; Vaivads, Andris; Johlander, Andreas; Norgren, Astrid Elisabet Cecilia; Li, Wenya; Divin, Andrey; Fu, Huishan; Hwang, Kyoung-Joo; Burch, James L; Ahmadi, Narges; Le Contel, Olivier; Gershman, Daniel J; Russell, Christopher T.; Torbert, R. B. (Journal article; Peer reviewed, 2020)
      We report electrostatic Debye-scale turbulence developing within the diffusion region of asymmetric magnetopause reconnection with a moderate guide field using observations by the Magnetospheric Multiscale mission. We show ...
    • Electron inflow velocities and reconnection rates at earth's magnetopause and magnetosheath 

      Burch, James L.; Webster, James M.; Hesse, Michael; Genestreti, Kevin J.; Denton, Richard E.; Phan, Tai D.; Hasegawa, Hiroshi; Cassak, Paul A.; Torbert, Roy B.; Giles, Barbara L.; Gershman, Daniel J.; Ergun, Robert E.; Russell, Christopher T.; Strangeway, Robert J.; Le Contel, Olivier; Pritchard, Kris R.; Marshall, Andrew T.; Hwang, Kyoung-Joo; Dokgo, Kyunghwan; Fuselier, Stephen A.; Chen, Li-Jen; Wang, Shan; Swisdak, Marc; Drake, James F.; Argall, Matthew R.; Trattner, Karlheinz J.; Yamada, Masaaki; Paschmann, Götz (Journal article; Peer reviewed, 2020)
      Electron inflow and outflow velocities during magnetic reconnection at and near the dayside magnetopause are measured using satellites from NASA's Magnetospheric Multiscale (MMS) mission. A case study is examined in detail, ...