Measurement Science and Instrumentation

Hjertaker et al, A data acquisition and control system for high-speed gamma-ray tomography, Measurement Science and Technology, Volume 19, 094012 (2008) 6 pp

Maad et al, Semi-empirical scatter correction model for high speed gamma-ray tomography, Measurement Science and Technology, Volume 19, 094016 (2008) 6 pp

Dyakoski et al. A dual modality tomography system for imaging gas/solids flows, Particle & Particle Systems Characterization, Volume 23 (3-4): 260-265 (2006

Folgerø K and Tjomsland T Permittivity measurement of thin liquid layers using open-ended coaxial probes Meas. Sci. Technol. 7 (1996) pp. 1164-1173.

Folgerø K Bilinear calibration of coaxial transmission/reflection cells for permittivity measurement of low-loss liquids Meas. Sci. Technol. 7 (1996) pp. 1260-1269.

Åbro E and Johansen G A Low noise gamma-ray and X-ray detectors based on CdTe-materials. Nucl. Instr. Meth. A377 (1996) pp. 470-474.

Johansen G A and Åbro E A new CdZnTe detector system for low energy gamma-ray measurement. Sensors and Actuators A54 (1996) pp. 493-498.

Johansen G A, Frøystein T, Hjertaker B T and Olsen Ø A dual sensor flow imaging tomographic system. Meas. Sci. Techn. 7, No. 3 (1996) pp. 297-307.

Folgerø K, Friisø T, Hilland J and Tjomsland T A broad band and high-sensitivity dielectric spectroscopy measurement system for quality determination of low-permittivity fluids Meas. Sci. Technol. 6 (1995) 995-1008.

Johansen G A, Frøystein T, Hjertaker B T, Isaksen Ø, Olsen Ø, Strandos S K, Skoglund T O, Åbro E and Hammer E A: The development of a dual-mode tomograph for three-component flow imaging. The Chemical Engineering Journal 56, No. 2 (1995) pp. 175-182.

Vold Per, Johansen Geir A, Nordtvedt Jan-Erik ElPed: Et interaktivt PC-basert læringsprogram for elektriske kretser Nytt om data i skolan, 2 (1994) 30-36.

Isaksen Ø, Dico A S and Hammer E A: A Capacitace-based tomography system for interface measurement in separation vessels. Measurement Science and Technology, 5, No. 10 (1994) 1262-1271

Isaksen Ø andNordtvedt J E A New Reconstruction Algorithm for Use with Capacitance Based Process Tomography MIC, 15, No. 1 (1994) 9-22.

Johansen G A and Frøystein T Detectors for gamma-ray flow imaging. Flow Measurement and Instrumentation, 5, No.1 (1994) 15-21.

Johansen G A, Nordtvedt J E, Vold P ElPed: An interactive PC-based learning program for basic electrical circuits. Computers in Physics, 7, No. 5 (1993) 577-584.

Isaksen Ø and Nordtvedt J E A New Reconstruction Algorithm for Process Tomography Measurement Science and Technology, 4, No. 12 (1993) 1464-1475.

Johansen G A and Johnson C B Operational characteristics of an electron-bombarded silicon- diode photomultiplier tube. Nucl. Instr. and Meth., A326 (1993) 295-298.

Hammer E A, Tollefsen J and Olsvik K Capacitance Transducers for Non-Intrusive Measurement of Water in Crude Oil. Flow Meas. and Instr., 1 (1989).

Yan G Interface Level Determination in Gravitational Separators Using High Frequency Magnetic Field Measurements Dr. scient. thesis, Department of Physics and Technology, University of Bergen (January 2005).

Cimpan E High Frequency Magnetic Field Technique: Mathematical Modelling and Development of a Full Scale Water Fraction Meter Dr. scient. thesis, Department of Physics and Technology, University of Bergen (January 2005).

Holstad M B Gamma-ray scatter methods applied to industrial measurement systems Dr. scient. thesis, Department of Physics and Technology, University of Bergen (September 2004).

Tjugum S-A Dual modality densitometry for pipe flow measurement Dr. scient. thesis in physics, Department of Physics, University of Bergen (March 2003).

Mwambela A Reconstruction of Capacitance tomography data using Entropic Thresholding PhD thesis in physics, Department of Physics, University of Dar-Es-Salaam (September 1999).

Åbro E Measurements of Gas Fraction in Pipe Flows using Multi-beam Gamma-ray Attenuation Dr. scient. thesis in physics, Department of Physics, University of Bergen (May 1999).

Hjertaker B T Multiphase Flow Imaging by Dual Mode Tomography Dr. scient. thesis in physics, Department of Physics, University of Bergen (March 1998).

Hilland J On-line quality determination of petroleum fluids by means of dielectric spectroscopy and chemometric modelling (Confidential until Oct. 2000) Dr. scient. thesis in physics, Department of Physics, University of Bergen (1997).

Friisø T Quality determination of petroleum liquids from complex permittivity spectra Dr. scient. thesis in physics, Department of Physics, University of Bergen (1997).

Folgerø K Coaxial sensors for broad-band complex permittivity measurements of petroleum fluids Dr. scient. thesis in physics, Department of Physics, University of Bergen (1996).

Tollefsen J New capacitance sensor principles in flow measurement Dr. scient. thesis in physics, Department of Physics, University of Bergen (1995).

Ullaland K The design of a VLSI mixed analogue and digital modular prosessor for capacitance tomography Dr. scient. thesis in physics, Department of Physics, University of Bergen (1994).

Isaksen Ø A novel approach to reconstruction of process tomography data Dr. scient. thesis in physics, Department of Physics, University of Bergen (1994).

Time R Measurement of two phase flowregimes using capacitance sensors and hydrodynamic modelling Dr. scient. thesis in physics, Department of Physics, University of Bergen (1994).

Breivik J, Monte Carlo modellering av nukleære målesystemer, MSc thesis at the Dept. of Physics, University of Bergen (June 2008) 

Kristiansen S, Development of a liquid in gas detector, MSc thesis at the Dept. of Physics, University of Bergen (June 2008)    

Brekke N, System for tracking head position and rotation during Magnetic Resonance Imaging, MSc thesis at the Dept. of Physics, University of Bergen (June 2008)  

Olsen K A, Automatisering og optimalisering av fortrengningseksperimenter i oppsprukne reservoarbergarter, MSc thesis at the Dept. of Physics, University of Bergen (June 2008)   

Steffensen P, Multiparametrisk monitorering av spiserøret og programutvikling for biomekaniske studier av organet, MSc thesis at the Dept. of Physics, University of Bergen (June 2008) 

Bøe Y, Measurements and simulations of electrical conductivity in live fish, MSc thesis at the Dept. of Physics, University of Bergen (June 2008) 

Svenningsen T, Målefeil og drift i ultralydmåler under bruk i felt, MSc thesis at the Dept. of Physics, University of Bergen (June 2008)

Engeberg A C, Monte Carlo modelling of gamma-ray attenuation in a subsea fluid analyzer system, MSc thesis at the Dept. of Physics, University of Bergen (June 2008)    

Meric I, Monte Carlo modeling of the intrinsic stopping efficiency in Geiger-Müller detectors, MSc thesis at the Dept. of Physics, University of Bergen (June 2008)   

Schuster E, Datainnsamlingskontroller for høyhastighets-gammastråletomograf basert på USB- og Ethernet-grensesnitt, MSc thesis at the Dept. of Physics, University of Bergen (December 2007)

Spjeld H J, Karakterisering av høyhastighets UHF datamodem til bruk sammen med Subnet Relay, MSc thesis at the Dept. of Physics, University of Bergen (December 2007)   

Stangborli E, Acquisition and synchronization of sensor data for multiparametric imaging in gastroenterological studies, MSc thesis at the Dept. of Physics, University of Bergen (June 2007)

Vasdal A, High frequency magnetic field sensor measurement of oil/water fraction, MSc thesis at the Dept. of Physics, University of Bergen (June 2007) 

Grimsbø E, Instrumentation of swim tunnels and conductivity measurement of fish, MSc thesis at the Dept. of Physics, University of Bergen (March 2007)    

Nøttveit G, RFM, MSc thesis at the Dept. of Physics, University of Bergen (October 2006)

Frøyen S, Utvikling og analyse av 10 MHz gammadetektorsystem, MSc thesis at the Dept. of Physics, University of Bergen (July 2006) 

Almås O A, Tomografi datainnsamling / USB grensesnitt, MSc thesis at the Dept. of Physics, University of Bergen (June 2006)         

Klebo B, Enstråle ultralyd, MSc thesis at the Dept. of Physics, University of Bergen (June 2006)        

Haugland K, WiMax kommunikasjon,  MSc thesis at the Dept. of Physics, University of Bergen (June 2006)   

Sørflakne T, PHYS114 experiments, MSc thesis at the Dept. of Physics, University of Bergen (March 2006) 

Ratnam L, DMD measurements, MSc thesis at the Dept. of Physics, University of Bergen (March 2006)      

Stavland S H, SOFA Ultralyd, MSc thesis at the Dept. of Physics, University of Bergen (December 2005)  

Spord V, Detection of oil in water, MSc thesis at the Dept. of Physics, University of Bergen (December 2005) 

Berntsen B, SOFA gamma, MSc thesis at the Dept. of Physics, University of Bergen (October 2005)      

Hjelmås A, Dopplermåling i blodstrøm, MSc thesis at the Dept. of Physics, University of Bergen (July 2005)

Eidsnes K S, Spredt gammastråling i industrielle målinger, MSc thesis at the Dept. of Physics, University of Bergen (July 2005)         

Dyrøy N B, Høyfrekvens magnetfelt for vannkutt og salinitet, MSc thesis at the Dept. of Physics, University of Bergen (June 2005)     

Ellingsen A B, USB-grensesnitt mot tomografer, MSc thesis at the Dept. of Physics, University of Bergen (June 2005)   

Krüger A, Visualiseringsinstrumentering for laboratoriekurs i måleteknologi, MSc thesis at the Dept. of Physics, University of Bergen (June 2005)         

Toftevåg K R, Ultralyd transittid strømningsmeter, MSc thesis at the Dept. of Physics, University of Bergen (June 2005)   

Austbø J, Algesensor, MSc thesis at the Dept. of Physics, University of Bergen (May 2005)    

Sæthre B S, Interfacial area determination by chemically enhanced extraction, MSc thesis at the Dept. of Physics, University of Bergen (October 2004)

Mæland G, Optisk polarisasjon MSc thesis at the Dept. of Physics, University of Bergen (September 2004)

Iversen, O A Identifikasjon av strømningsregime ved bruk av flerstråle gammadensitometri   Cand. scient. thesis at the Dept. of Physics, University of Bergen (June 2004)

Hopperstad, H  To-lags piezoelektrisk transduser med justerbar resonansfrekvens  Cand. scient. thesis at the Dept. of Physics, University of Bergen (June 2004)

Nødset, A  Måling av vannkutt og konduktivitet i en olje/vann-blanding ved hjelp av høyfrekvent magnetfelt Cand. scient. thesis at the Dept. of Physics, University of Bergen (December 2003)

Vallestad, H   Ikke-konvensjonelle måletransformatorer Cand. scient. thesis at the Dept. of Physics, University of Bergen (Oktober 2003) 

Indrebø, S Metoder for kontinuerlig tilstandsmåling og diagnostisering av asynkronmotorer  Cand. scient. thesis at the Dept. of Physics, University of Bergen (Oktober 2003)

Vagle, O Metoder for redusert dødtid i Geiger-Müller-detektorer  Cand. scient. thesis at the Dept. of Physics, University of Bergen (June 2003) 

Pettersen, F I Nivåmåling ved hjelp av induktans og bestemmelse av indusert tap i spolen  Cand. scient. thesis at the Dept. of Physics, University of Bergen (June 2003)

Rohde, O A  Styresystemet i HUGIN og mulige forbedringer  Cand. scient. thesis at the Dept. of Physics, University of Bergen (December 2002)

Langelid, A  Aktiv slukking av Geiger Müller detektor Cand. scient. thesis at the Dept. of Physics, University of Bergen (May 2002)

Fossdal, G A  Optimalisering av spoler til vannkuttmålere som baseres på høyfrekvent magnetisk felt   Cand. scient. thesis at the Dept. of Physics, University of Bergen (May 2002)

Rauset, O J Sand velocity measurement by cross-correlation of passive-acoustic signals Cand. scient. thesis at the Dept. of Physics, University of Bergen (March 2002) 

Spilde, J Fiskefangstmåler - Optimalisering av sensordesign for måling av mengde og størrelsesfordeling (Confidential CMR report) Cand. scient. thesis at the Dept. of Physics, University of Bergen (November 2001).

Dietzel, K Online X-ray fluorescence analysis applied to industrial processes and environmental monitoring  Cand. scient. thesis at the Dept. of Physics, University of Bergen (October 2000).

Edvardsen, T H Integrert LQG-regulator for banestyring av skip Cand. scient. thesis at the Dept. of Physics, University of Bergen (June 2000).

Holstad, M B Implementation of dual mode gamma-ray densitometer for measurement of gas fraction in three-phase flow Cand. scient. thesis at the Dept. of Physics, University of Bergen (June 2000).

Rongved, G K Nye måleprinsipp innen trefase strømningsmåling Cand. scient. thesis at the Dept. of Physics, University of Bergen (June 2000).

Kolsrud, T R Testing and improving capacitance principles in flow measurements Cand. scient. thesis at the Dept. of Physics, University of Bergen (May 2000).

Flataker, A Hurtig A/D-omformar Cand. scient. thesis at the Dept. of Physics, University of Bergen (March 2000).

Rosnes, E Unik orddetksjon og frekvensestimering for digital QAM Cand. scient. thesis at the Dept. of Physics, University of Bergen (October 1999).

Klepsvik, I Differensialtrykk- og kapasitansmåling for flerfase rørstrøm Cand. scient. thesis at the Dept. of Physics, University of Bergen (June 1999).

Soldal, R Deteksjon av vasskutt og separatornivå ved hjelp av eit høgfrekvent magnetisk felt Cand. scient. thesis at the Dept. of Physics, University of Bergen (June 1999).

Mjåtvedt, P Deteksjon av giftige og brennbare gasser Cand. scient. thesis at the Dept. of Physics, University of Bergen (January 1999).

Kamyar, R Modelling of electrical field between electrodes in a capacitance sensor in connection with cross correlation Cand. scient. thesis at the Dept. of Physics, University of Bergen (October 1998).

Mykletun, S K Instrument for innsamling av trafikkdata Cand. scient. thesis at the Dept. of Physics, University of Bergen (August 1998)

Aksland, O Vasskuttmåling i fleirfasestraum ved hjelp av open ende koaksialprobe Cand. scient. thesis at the Dept. of Physics, University of Bergen (May 1998)

Lied, G Ø Dynamisk flerkammermodell av fordøyelsessystemet for laks Cand. scient. thesis at the Dept. of Physics, University of Bergen (May 1998)

Kirkedam, E Rekonstruksjonsalgoritmer i kapasitanstomografi Cand. scient. thesis at the Dept. of Physics, University of Bergen (May 1998)

Tørresdal, F Utvikling og verifisering av multi-elektrode kapasitanssensor Cand. scient. thesis at the Dept. of Physics, University of Bergen (April 1998)

Nordborg, S Verification tests for qualification of MFI Water Cut Meter as a fiscal meter at Tordis Gullfaks C Cand. scient. thesis at the Dept. of Physics, University of Bergen (April 1998)

Dahl, E O Quality Assurance System for the BSD-2000 Hyperthermia System Cand. scient. thesis at the Dept. of Physics, University of Bergen (January 1998)

Opedal H Integrert gammadensitometer og venturimeter for måling av væske-volumstrømning Cand. scient. thesis at the Dept. of Physics, University of Bergen (December 1997)

Bondhus A K Modelling of a capacitance sensor by the boundary element method Cand. scient. thesis at the Dept. of Physics, University of Bergen (October 1997)

Veseth O M Elektroteknisk analyse og modellering av en kompleks vekselstrøm til bruk i en ny kontinuerlig metode for vekselfelt demagnetisering Cand. scient. thesis at the Dept. of Physics, University of Bergen (August 1997)

Skre C D Åpen ende koaksial probe - Numerisk modellering med endelig element metoden Cand. scient. thesis at the Dept. of Physics, University of Bergen (July 1997)

Pedersen H Utvikling av målebord for industriell gammatomografi Cand. scient. thesis at the Dept. of Physics, University of Bergen (December 1996)

Andersson G Elevtenking om fysikkundervisningen i den videregående skole Cand. scient. thesis at the Dept. of Physics, University of Bergen (December 1996)

Helle I Slip sensing for hand prosthetics and development of a prototype slip sensor Cand. scient. thesis at the Dept. of Physics, University of Bergen (January 1996)

Saleem M To design and construct an optical instrument for measuring pollution in diesel oil Cand. scient. thesis at the Dept. of Physics, University of Bergen (November 1995)

Ocaya M A control system for the UoB two-component flow-rig MSc thesis at the University of Botswana/ Dept. of Physics, University of Bergen (November 1995)

Varughese B S Detection of red dye in diesel oil Cand. scient. thesis at the Dept. of Physics, University of Bergen (October 1995)

Andersen D H Utvikling av elektromagnetisk måler med kapasitivt koplede elektroder for hastighetsmåling i flerfasestrømning Cand. scient. thesis at the Dept. of Physics, University of Bergen (October 1995)

Lothe D Måling på tofase rørstraum -ei analyse basert på krysskorrelasjon, venturimeter, gammadensitometer og tomografi Cand. scient. thesis at the Dept. of Physics, University of Bergen (September 1995)

Vallestad A Nivåmåling i gravitasjonsseparatorer med gammastråletomografi Cand. scient. thesis at the Dept. of Physics, University of Bergen (August 1995)

Hauan N P Control of a nonlinear multivariable and coupled process Cand. scient. thesis at the Dept. of Physics, University of Bergen (June 1995)

Skoglund T O Hurtig pulsformingsforsterker for gammadetektorer med scintillasjonskrystall og fotodiode Cand. scient. thesis in physics, Department of Physics, University of Bergen (June 1995)

Hovstad O G Utvikling av lungesimulator basert på matematisk modellering Cand. scient. thesis at the Dept. of Physics, University of Bergen (December 1994)

Strandos S K Tilbakekoplet kapasitansdetektor basert på suksessiv approksimasjon Cand. scient. thesis at the Dept. of Physics, University of Bergen (December 1994)

Åbro E High-density semiconductor detectors for X-rays and gamma-rays Cand. scient. thesis at the Dept. of Physics, University of Bergen (October 1994)

Dico A S Separator imaging by using electrical capacitance tomographic technique Cand. scient. thesis at the Dept. of Physics, University of Bergen (October 1994)

Ringheim I Delta-Sigma modulator based measuring systems for capacitance tomography Cand. scient. thesis at the Dept. of Physics, University of Bergen (October 1994)

Brandt M Elektrisk impedans-tomografi - Hardware, software og avblidning Cand. scient. thesis at the Dept. of Physics, University of Bergen (July 1994)

Villanger Ø Krysskorrelasjonsbasert ultralyd strømningsmeter Cand. scient. thesis at the Dept. of Physics, University of Bergen (February 1994)

Pettersen K I Styring og regulering av håndproteser Cand. scient. thesis in physics, Department of Physics, University of Bergen (October 1993)

Svensen Y Radiofrekvensablasjon Cand. scient. thesis in physics, Department of Physics, University of Bergen (August 1993)

Rahman M M A cross-correlator for two component flow measurements using capacitance sensor. Cand. scient. thesis in physics, Department of Physics, University of Bergen (June 1993)

Ahadzi G Multi-component volume flow measurement using the venturimeter Cand. scient. thesis in physics, Department of Physics, University of Bergen (April 1993)

Rahulan T Possibilities and limitations of using Coriolis flowmeters. Cand. scient. thesis in physics, Department of Physics, University of Bergen (February 1993)

Halvorsen M Hastighetsmåling i vann-kontinuerlig flerfasestrøm ved bruk av induktiv sensor og korrelasjonsteknikker. Cand. scient. thesis in physics, Department of Physics, University of Bergen (December 1992)

Hernes A Optimalisering av eksiteringselektronikk for S-bandsensoren. Cand. scient. thesis in physics, Department of Physics, University of Bergen (December 1992)

Flølo D Upgrading the metering stations at the test separator at Gullfaks B. Cand. scient. thesis in physics, Department of Physics, University of Bergen (November 1992)

Kristiansen T S Magnetostrukturell analyse - metode for ikke-destruktiv testing av magnetisk og elektrisk ledende materialer. Cand. scient. thesis in physics, Department of Physics, University of Bergen (October 1992)

Ose S Muligheiter for bruk av eit ionisasjonskammer som støvvarslar. Cand. scient. thesis in physics, Department of Physics, University of Bergen (August 1992)

Thorvaldsen T J Måling og allokering i forbindelse med leieprosessering på Gullfaksfeltet. Cand. scient. thesis in physics, Department of Physics, University of Bergen (July 1992)

Øverland B A A process tomography system based on a four electrode capacitance sensor. Cand. scient. thesis in physics, Department of Physics, University of Bergen (June 1992)

Frøystein T Gamma-ray flow imaging Cand. scient. thesis in physics, Department of Physics, University of Bergen (April 1992)

Heegaard B M Geometriske aspekt ved to-fase rørstrøm. Cand. scient. thesis in physics, Department of Physics, University of Bergen (February 1992)

Jordal L Modellering av piezoelektriske krystallers vibrasjonsmønster basert på admittansmåling. Cand. scient. thesis in physics, Department of Physics, University of Bergen (December 1991)

Skrede T Digital demodulator for satellittkommunikasjon. Cand. scient. thesis in physics, Department of Physics, University of Bergen (October 1991)

Stalheim S O Ikke inntrengende induktiv sensor for måling av olje i vann. Cand. scient. thesis in physics, Department of Physics, University of Bergen (July 1991)

Vigdal P J Tetthetsmåling i boreslam ved bruk av piezoelektrisk transduser. Cand. scient. thesis in physics, Department of Physics, University of Bergen (April 1991)

Østerhus R Gas density measurements using equivalent impedance of ultrasonic transducers. Cand. scient. thesis in physics, Department of Physics, University of Bergen (February 1991)

Nybø H O Bestemmelse av forplantningsretning for akustisk emisjon signal ved hjelp av eit sett transdusarar på ei plate. Cand. scient. thesis in physics, Department of Physics, University of Bergen (November 1990)

Isaksen Ø Avbildning av tokomponent rørstrøm ved hjelp av kapasitanssensorer Cand. scient. thesis in physics, Department of Physics, University of Bergen (December 1989)

Hellesø O G Attgjeving av to-fase røyrstraum med gamma-tomografi. Cand. scient. thesis in physics, Department of Physics, University of Bergen (September 1989)

Islam M M To design and construct an optical scanning sensing system for cross correlation flow-meter. Cand. scient. thesis in physics, Department of Physics, University of Bergen (July 1989)

Crowo A Ultralydmåling i oljebasert boreslam. Cand. scient. thesis in physics, Department of Physics, University of Bergen (May 1989)

Tollefsen J Kapasitive sensorer for konsentrasjonsmåling. Cand. scient. thesis in physics, Department of Physics, University of Bergen (April 1989)

Storebø A K Numerical analysis of an ultrasoniv transit time flowmeter. Cand. scient. thesis in physics, Department of Physics, University of Bergen (March 1989)

Aspelund A Måling av gasstetthet ved bruk av optisk fiber. Cand. scient. thesis in physics, Department of Physics, University of Bergen (December 1988)

Widerøe T Måling av elektriske tap i olje for bruk til bestemmelse av olje/vann/gass forhold. Cand. scient. thesis in physics, Department of Physics, University of Bergen (August 1988)

Midttveit Ø Measurements of phase velocities and concentrations in flowing gas/solids suspensions. Cand. scient. thesis in physics, Department of Physics, University of Bergen (September 1988)

Fosse R Sanntidssimulering av likestrømmaskinen. Analyse og design. Cand. scient. thesis in physics, Department of Physics, University of Bergen (August 1987)