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Bjørn Tore Hjertakers bilde

Bjørn Tore Hjertaker

Professor
  • E-postBjorn.Hjertaker@uib.no
  • Telefon+47 55 58 27 82
  • Besøksadresse
    Allegt. 55
    Rom 
    208
  • Postadresse
    Postboks 7803
    5020 BERGEN
  • Hjertaker, Bjørn Tore; Tjugum, Stein-Arild; Hallanger, Anders; Maad, Rachid. 2018. Characterization of multiphase flow blind-T mixing using high speed gamma-ray tomometry. Flow Measurement and Instrumentation. 62: 205-212. doi: 10.1016/j.flowmeasinst.2017.10.001
  • Bruvik, Erik Magnus; Hjertaker, Bjørn Tore. 2016. Liquid characterization and measurement of fluid properties for reduced uncertainty in multiphase flow area fraction measurements. Flow Measurement and Instrumentation. 47: 10-18. doi: 10.1016/j.flowmeasinst.2015.10.013
  • Grimsbø, Endre; Nortvedt, Ragnar; Hjertaker, Bjørn Tore; Hammer, Erling; Roth, Bjørn. 2016. Optimal AC frequency range for electro-stunning of Atlantic salmon (Salmo salar). Aquaculture. 451: 283-288. doi: 10.1016/j.aquaculture.2015.08.030
  • Thorn, Richard; Johansen, Geir Anton; Hjertaker, Bjørn Tore. 2013. Three-phase flow measurement in the petroleum industry. Measurement science and technology. 24. 17 sider. doi: 10.1088/0957-0233/24/1/012003
  • Bruvik, Erik Magnus; Hjertaker, Bjørn Tore; Folgerø, Kjetil; Meyer, Sigrid Katharina. 2012. Monitoring oil-water mixture separation by time domain reflectometry. Measurement science and technology. 23. 12 sider. doi: 10.1088/0957-0233/23/12/125303
  • Precliková, Jana; Waheed, Abdul; Fregenal, Daniel; Frette, Øyvind; Hamre, Børge; Hjertaker, Bjørn Tore; Horsdal, Erik; Pilskog, Ingjald; Førre, Morten. 2012. Unidentified transitions in one-photon intrashell dynamics in Rydberg atoms. Physical Review A. Atomic, Molecular, and Optical Physics (PRA). 85. 4 sider. doi: 10.1103/PhysRevA.85.043416
  • Preclíková, Jana; Kozak, Mariusz; Fregenal, Daniel; Frette, Øyvind; Hamre, Børge; Hjertaker, Bjørn Tore; Hansen, Jan Petter; Kocbach, Ladislav. 2012. Excitation of Rydberg wave packets with chirped laser pulses. Physical Review A. Atomic, Molecular, and Optical Physics (PRA). 86. 8 sider. doi: 10.1103/PhysRevA.86.063418
  • Sivertsen, Lasse; Hjertaker, Bjørn Tore; Kjenner, Tom Erik; Stjernberg, Stian. 2012. Condition monitoring of subsea electrical equipment using motor current signature analysis. EPE Journal : European Power Electronics and Drives Journal. 22: 28-36.
  • Waheed, Abdul; Fregenal, Daniel; Frette, Øyvind; Førre, Morten; Hjertaker, Bjørn Tore; Horsdal, Erik; Pilskog, Ingjald; Preclíková, Jana. 2012. Suppression of multiphoton intrashell resonances in Li Rydberg atoms. Journal of Physics: Conference Series. 388. 1 sider. doi: 10.1088/1742-6596/388/2/022052
  • Hjertaker, Bjørn Tore; Maad, Rachid; Johansen, Geir Anton. 2011. Dual-mode capacitance and gamma-ray tomography using the Landweber reconstruction algorithm. Measurement science and technology. 22. 7 sider. doi: 10.1088/0957-0233/22/10/104002
  • Waheed, Abdul; Fregenal, Daniel; Frette, Øyvind; Førre, Morten; Hjertaker, Bjørn Tore; Horsdal, Erik; Pilskog, Ingjald; Precliková, Jana. 2011. Suppression of multiphoton intrashell resonances in Li Rydberg atoms. Physical Review A. Atomic, Molecular, and Optical Physics (PRA). 83. Publisert 2011-06-28. doi: 10.1103/PhysRevA.83.063421
  • Bruvik, Erik Magnus; Hjertaker, Bjørn Tore; Hallanger, Anders. 2010. Gamma-ray tomography applied to hydro-carbon multi-phase sampling and slip measurements. Flow Measurement and Instrumentation. 21: 240-248. doi: 10.1016/j.flowmeasinst.2009.11.002
  • Hoff, Dag Arne Lihaug; Gregersen, Hans; Ødegaard, Svein; Hjertaker, Bjørn Tore; Hatlebakk, Jan Gunnar. 2010. Sensation evoked by esophageal distension in functional chest pain patients depends on mechanical stress rather than on ischemia. Neurogastroenterology and Motility. 22: 1170-+. doi: 10.1111/j.1365-2982.2010.01555.x
  • Hoff, Dag Arne Lihaug; Hoff, DAL; Gregersen, Hans; Ødegaard, Svein; Hjertaker, Bjørn Tore; Hatlebakk, Jan Gunnar. 2010. Patients with functional chest pain have an increased oesophageal wall tone during bag distension. Scandinavian Journal of Gastroenterology. 45: 45-45.
  • Johansen, Geir Anton; Hampel, Uwe; Hjertaker, Bjørn Tore. 2010. Flow imaging by high speed transmission tomography. Applied Radiation and Isotopes. 68: 518-524. doi: 10.1016/j.apradiso.2009.09.004
  • Maad, Rachid; Hjertaker, Bjørn Tore; Johansen, Geir Anton; Olsen, Øystein. 2010. Dynamic characterization of a high speed gamma-ray tomograph. Flow Measurement and Instrumentation. 21: 538-545. doi: 10.1016/j.flowmeasinst.2010.10.001
  • Hjertaker, Bjørn Tore; Maad, Rachid; Schuster, Erik; Almås, Ole Andreas; Johansen, Geir Anton. 2008. A data acquisition and control system for high-speed gamma-ray tomography. Measurement science and technology. 19. 9 sider. doi: 10.1088/0957-0233/19/9/094012
  • Maad, Rachid; Hjertaker, Bjørn Tore; Johansen, Geir Anton. 2008. Semi-empirical scatter correction model for high-speed gamma-ray tomography. Measurement science and technology. 19. 6 sider. doi: 10.1088/0957-0233/19/9/094016
  • Dyakowski, Tom; Johansen, Geir Anton; Hjertaker, Bjørn Tore; Sankowski, Dominik; Mosorov, Volodymyr; Wlodarczyk, Jaroslaw. 2006. A dual modality tomography system for imaging gas/solids flows. Particle & particle systems characterization. 23: 260-265. doi: 10.1002/ppsc.200601057
  • Fimreite, Anne Lise; Hjertaker, Bjørn Tore. 2006. En refleksiv modell for mastergradsveiledning. UPED-skrift. 1.
  • Fimreite, Anne Lise; Hjertaker, Bjørn Tore. 2006. Sammenligning av eksisterende mastergradsveiledning ved Institutt for administrasjons- og organisasjonsvitenskap og Institutt for fysikk og teknologi. UPED-skrift. 1.
  • Fimreite, Anne Lise; Hjertaker, Bjørn Tore. 2006. Sammenlignende studie av mastergradsveiledning ved to institutt. Kapittel, sider 249-267. I:
    • Dysthe, Olga; Samara, Akylina. 2006. Forskningsveiledning på master - og doktorgradsnivå. Abstrakt forlag. 353 sider. ISBN: 82-7935-207-4.
  • Hjertaker, Bjørn Tore. 2006. Midtveiseksamen basert på flervalgsoppgaver ved Institutt for fysikk og teknologi, Universitetet i Bergen. UNIPED (Tromsø). 29: 4-12.
  • Kongsli, Jonas; Hjertaker, Bjørn Tore; Frøystein, Torbjørn. 2006. Evaluation of power and phase accuracy of the BSD Dodek amplifier for regional hyperthermia using an external vector voltmeter measurement system. International Journal of Hyperthermia. 22: 657-671. doi: 10.1080/02656730601068401
  • Hjertaker, Bjørn Tore; Tjugum, Stein-Arild; Hammer, Erling A.; Johansen, Geir Anton. 2005. Multimodality tomography for multiphase hydrocarbon flow measurements. IEEE Sensors Journal. 5: 153-160.
  • Hjertaker, Bjørn Tore. 1998. Static characterization of a dual sensor flow imaging system. Flow Measurement and Instrumentation. 9: 183-191.
  • Hjertaker, Bjørn Tore. 1998. Multiphase flow imaging by dual mode tomography. Dr.scient.. -. UiB. 264 sider.
  • Johansen, G. A.; Frøystein, T.; Hjertaker, Bjørn Tore; Olsen, Ø. 1996. A dual sensor flow imaging tomographic system. Measurement science and technology. 3: 297-307.
  • Johansen, G. A.; Frøystein, T.; Hjertaker, Bjørn Tore; Isaksen, X.; McKibben, B. 1995. Development of dual-mode and capacitance tomography technology (Confidential Appendices to CMR-95-A10002). Report. CMR-95-. [Mangler utgivernavn]. 79 sider.
  • Johansen, G. A.; Frøystein, T.; Hjertaker, Bjørn Tore; Isaksen, Ø.; Olsen, Ø.; Strandos, S. K.; Skoglund, T. O.; Ebro, E.; Hammer, E. A. 1995. The development of a dual-mode tomograph for three-component flow imaging. Chemical Engineering Journal. 56: 175-182.

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