Hjem
Bjørn Johan Arntzens bilde

Bjørn Johan Arntzen

Førsteamanuensis
  • E-postBjorn.Arntzen@uib.no
  • Telefon+47 55 58 28 11
  • Besøksadresse
    Allégaten 55
    5007 Bergen
  • Postadresse
    Postboks 7803
    5020 Bergen
Vitenskapelig artikkel
  • Vis forfatter(e) (2023). Visualization of Unsteady Flow in a Multistage Helico-Axial Pump. European Conference on Turbomachinery Fluid Dynamics and Thermodynamics.
  • Vis forfatter(e) (2023). CFD modelling of hydrogen and hydrogen-methane explosions – Analysis of varying concentration and reduced oxygen atmospheres. Journal of Loss Prevention in the Process Industries.
  • Vis forfatter(e) (2022). CFD Analysis of Explosions with Hydrogen-Methane-Air Mixtures in Congested Geometries. Chemical Engineering Transactions. 163-168.
  • Vis forfatter(e) (2019). Experimental study of multi-objective coupling synchronous control in gas/air premixed gas deflagration flow test system. Baozha Yu Chongji.
  • Vis forfatter(e) (2015). Transition from smoldering to flaming fire in short cotton samples with asymmetrical boundary conditions. Fire safety journal. 69-78.
  • Vis forfatter(e) (2015). Electrostatic dust explosion hazards - towards a <1mJ synchronized-spark generator for determination of MIEs of ignition sensitive transient dust clouds. Journal of Electrostatics. 66-72.
  • Vis forfatter(e) (2014). Is the safe performance of flame gaps in flameproof electrical apparatus deteriorated by rusting and mechanical damage? Part 2: Group IIB and IIC gases. Process safety progress. 49-55.
  • Vis forfatter(e) (2013). Is the safe performance of flame gaps in flameproof electrical apparatus deteriorated by rusting and mechanical damage? Part 1: Group IIA gases. Process safety progress. 49-56.
  • Vis forfatter(e) (2013). Effects of heat flux scenarios on smoldering in cotton. Fire safety journal. 144-159.
  • Vis forfatter(e) (2012). Partial inerting - A possible means of eliminating the brush-discharge-ignition hazard with explosive gases and vapours? Journal of Electrostatics. 474-480.
  • Vis forfatter(e) (2012). Effect of rusting and mechanical damage of gap surfaces on efficiency of flame gaps in flameproof electrical apparatus. Process Safety and Environmental Protection (PSEP). 317-325.
  • Vis forfatter(e) (2011). Validation of CFD modelling of LH2 spread and evaporation against large-scale spill experiments. International Journal of Hydrogen Energy. 2620-2627.
  • Vis forfatter(e) (2011). Onset of smoldering in cotton: Effects of density. Fire safety journal. 73-80.
  • Vis forfatter(e) (2006). Simulation of dust explosions in complex geometries with experimental input from standardized tests. Journal of Loss Prevention in the Process Industries.
  • Vis forfatter(e) (2005). Simulating dust explosions with the first version of DESC. Process Safety and Environmental Protection (PSEP). 151-160.
Populærvitenskapelig foredrag
  • Vis forfatter(e) (2007). Hydrogen Explosion Study in a Confined Tube: FLACS CFD Simulations and Experiments.
Vitenskapelig foredrag
  • Vis forfatter(e) (2012). Effects of mechanical damage and rusting of flame gap surfaces in the flameproof electrical apparatus for IIB and IIC gases.
  • Vis forfatter(e) (2011). EXPERIMENTAL DETERMINATION OF MIEs OF PROPANE/(AIR + N2) AND ETYLENE/(AIR + N2) MIXTURES.
  • Vis forfatter(e) (2011). An Experimental Study of the Influence of Particle Size Distribution in Flame Inhibitors on Flame Propagation.
  • Vis forfatter(e) (2010). Safety and risk analysis studies for hydrogen applications.
  • Vis forfatter(e) (2009). Validation of CFD modelling of LH2 spread and evaporation against large scale spill experiments.
  • Vis forfatter(e) (2008). Simplified modeling of metal dust explosions.
  • Vis forfatter(e) (2008). Modelling of gas explosions in complex geometries using the simple interface model, SIF.
  • Vis forfatter(e) (2008). Improved correlations for turbulent burning velocity and flame thickness in the CFD code DESC.
  • Vis forfatter(e) (2005). Modeling of metal dust combustion in the dust explosion simulator DESC.
  • Vis forfatter(e) (2005). Course on "Prevention and mitigation of explosions" held in Bahrain.
  • Vis forfatter(e) (2004). Simulation of industrial dust explosions and large-scale experiments with the first version of DESC.
  • Vis forfatter(e) (2004). Simulation of dust explosions in complex geometries with experimental input from standardized tests.
  • Vis forfatter(e) (2004). Simulation of dust explosions in complex geometries with experimental input from standardized tests.
  • Vis forfatter(e) (2004). Simulating dust explosions with the first version of DESC.
  • Vis forfatter(e) (2003). CFD Modelling of Oil Mist and Dust Explosion Experiments.
Hovedfagsoppgave
  • Vis forfatter(e) (2004). Combustion of Gas in Closed, Interconnected Vessels: Pressure Piling.
Mastergradsoppgave
  • Vis forfatter(e) (2023). En eksperimentell oppgave på legering av silisium og jern.
  • Vis forfatter(e) (2023). Developing better models for laminar and turbulent burning velocities for H2, H2-CH4 and H2-NH3 mixed with air at different Equivalence Ratios.
  • Vis forfatter(e) (2022). En eksperimentell studie av partikkelstørrelsesfordeligens innvirkning på utvalgte eksplosjonsparametre for silisiumstøv.
  • Vis forfatter(e) (2021). Improvement in burning velocity models for hydrogen in the gas explosion simulator FLACS.
  • Vis forfatter(e) (2019). Validation of Soot Modelling in the CFD code FLACS.
  • Vis forfatter(e) (2019). Experiments and Modelling of Methan Explosions in long pipes.
  • Vis forfatter(e) (2019). En studie av brannspredning i fryselageret hos ASKO ØST 07. april 2017.
  • Vis forfatter(e) (2019). Eksperimentell bestemmmelse av laminære forbrenningshastigheter og Marksteinlengder for blandinger med hydrogen-nitrogen og hydrogen-karbondioksid.
  • Vis forfatter(e) (2019). Eksperimentell bestemmelse av laminære forbrenningshastigheter og Markstein-lengder for H2-luft blandinger tilsatt N2/CO2.
  • Vis forfatter(e) (2018). Explosion Pressure Development in Dust Explosions An experimental study in the 20-liter sphere and a 0.5 m3 non-standardized vessel.
  • Vis forfatter(e) (2018). Ein numerisk studie av ammoniakkspreiing i eit urbant område ved bruk av simuleringsverktøyet FLACS.
  • Vis forfatter(e) (2018). Cold Nuclear Fusion Theories - Exploration of exotic Hydrogen states.
  • Vis forfatter(e) (2018). Application of the schlieren technique for detection and monitoring of marine corrosion.
  • Vis forfatter(e) (2018). A numerical study of ammonia dispersion in an industrial area with the CFD tool FLACS.
  • Vis forfatter(e) (2017). Teoretisk- och Praktisk Analys av Avsäkrings- och Fackelsystemet på Isokrackeranläggningen, Preemraff Lysekil.
  • Vis forfatter(e) (2017). Risk assessment of hot surface temperature of steam boilers at processing plant.
  • Vis forfatter(e) (2017). Measurement of laminar burning velocities in hydrogen-air mixtures with and without water mist.
  • Vis forfatter(e) (2017). Evaluation and construction of a temperature dependent laminar burning velocity model for inerted hydrogen, methane, propane and carbonmonoxide mixtures.
  • Vis forfatter(e) (2017). Antennelse av oksiderbar røykgass fra ulmebrann i et lukket miljø.
  • Vis forfatter(e) (2017). A study of temperature profiles in ceiling jets under unconfined ceilings with the CFD tools FLACS and FDS.
  • Vis forfatter(e) (2016). Vented explosions – the effect of external explosion.
  • Vis forfatter(e) (2016). Risiko for spredning av flammer og røyk gjennom brannskiller ved endringer i bruk av sprinkler og røykkontroll i boligkvarter på petroleumsinretninger.
  • Vis forfatter(e) (2016). Evaluation of turbulence models in dispersed gas flows.
  • Vis forfatter(e) (2016). 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.
  • Vis forfatter(e) (2016). CO2 dispersion simulation and validation with CFD tool FLACS for CCS transport safety.
  • Vis forfatter(e) (2015). Measurements of laminar burning velocities in premixed gases by the schlieren imaging technique.
  • Vis forfatter(e) (2015). Investigation of temperature rise in substation during emergency.
  • Vis forfatter(e) (2015). How different safety barriers affect the margin between required and available evacuation time.
  • Vis forfatter(e) (2015). Flame extension under ceiling.
  • Vis forfatter(e) (2014). Interpretation of geometrical effects in consequence modeling: comparison study between the commercial consequence assessment tools FLACS and PHAST for flammable gas dispersion.
  • Vis forfatter(e) (2014). Effect of Water Mist Suppression System in Engine Room: Case Study of Fire in The Cruise Liner MS Nordlys.
  • Vis forfatter(e) (2014). Comparison of burning velocity differences in a numerical explosion simulator.
  • Vis forfatter(e) (2014). CFD Modelling of BLEVE Fireball.
  • Vis forfatter(e) (2014). An Experimental Investigation of Angled Sight Flame Detectors with 850nm Photodiode Sensor.
  • Vis forfatter(e) (2013). The effect of emergency lighting on evacuation effectivness.
  • Vis forfatter(e) (2012). Modeling of jet and pool fires and validation of the fire model in the CFD code FLACS.
  • Vis forfatter(e) (2012). Gas detector optimization, a comparison between a practical and a theoretical approach, using the CFD code FLACS.
  • Vis forfatter(e) (2012). Evaluation of methods for depressurisation and time-to-rupture calculations of pressurized systems exposed and unexposed to fire.
  • Vis forfatter(e) (2012). CFD Modeling of Gas Explosions with Hydrogen Sulfide- Air and Hydrogen Sulfide- Natural Gas - Air.
  • Vis forfatter(e) (2012). An experimental investigation on the influence of mechanical damage and rust on the ability of flame gaps to prevent hydrogen gas explosion transmission.
  • Vis forfatter(e) (2012). An Experimental Study on the Influence of the Particle Size of Chemically Active Inhibitors in Turbulent Combustion.
  • Vis forfatter(e) (2012). An Experimental Investigation on the Effect of Nitrogen Enriched Air and Heat Transfer on the Maximum Experimental Safe Gap for Propane Gas Explosions.
  • Vis forfatter(e) (2012). An Experimental Investigation of the Effect of Rust and Mechanical Damage on the Maximum Experimental Safe Gap for Ethylene Gas Explosions.
  • Vis forfatter(e) (2012). A comparative Study on the Influence of Obstacles on flame propagation in dust and gas mixtures.
  • Vis forfatter(e) (2011). Sammenligning av spredningsmodellering med kodene PHAST og FLACS, for "tyngre enn luft" gassjetter med horisontalt sammenstøt, og valideringssimuleringer av MUST forsøkene.
  • Vis forfatter(e) (2011). Montøren sitt omsyn til tryggleiksprosedyrar under arbeid med "ikkje planlagde utfall på HS - nettet" og utfallsituasjonen sine prestasjonspåverkande faktorar.
  • Vis forfatter(e) (2011). Korleis kan ein gjenskapa brann-bildet frå forbrenning av flybensinen Jet A-1 i veskeform ved forbrenning av gass, utan at flammen blir vekke under slokking og kva gass er best egna til dette.
  • Vis forfatter(e) (2011). Analyse og forbedring av H2S behandling - Direkte injeksjon av triazinbaserte H2S-fjernere i gasstrømmer.
  • Vis forfatter(e) (2011). An Experimental Study of the Influence of Particle Size Distribution in Flame Inhibitors on Flame Propagation.
  • Vis forfatter(e) (2011). An Experimental Study of Pool Fires and Validation of Different CFD Fire Models.
  • Vis forfatter(e) (2010). Experimental investigation of the influence of mechanical and corrosion damage of gap surfaces on the efficiency of flame gap surfaces on flame gaps in flameproof apparatus.
  • Vis forfatter(e) (2010). Calculation of heat loss from subsea pipeline.
  • Vis forfatter(e) (2010). An Experimental Study of the Influence of Major Damage of Flame Gap Surfaces in Flameproof Apparatus on the Ability of the Gaps to Prevent Gas Explosion Transmission.
  • Vis forfatter(e) (2010). An Experimental Investigation of the Influence of Mechanical Damage, Rust and Dust on the Ability of Flame Gaps to Prevent Gas Explosion Transmission.
  • Vis forfatter(e) (2009). Measurement of conductivity of intumescing materials.
  • Vis forfatter(e) (2009). Initial Flame Propagation in Flammable Gas Mixtures. Evaluation and development of current models in FLACS.
  • Vis forfatter(e) (2009). Experimental investigation of the optical measurement method for detecting dust and gas flames in a flame acceleration tube.
  • Vis forfatter(e) (2009). Experimental investigation of the imperdance measurement method for detecting dust and gas flames in a flame acceleration tube.
  • Vis forfatter(e) (2008). Evaluation of pool fire modelling in FLACS.
  • Vis forfatter(e) (2008). Area classification with FLACS - Zoning distance and flammable volume for the area classification.
  • Vis forfatter(e) (2007). Water deluge mitigation modelling using the CFD tool FLACS.
  • Vis forfatter(e) (2007). Electrostatic brush discharges as ignition source in hyperbaric oxygen chambers.
  • Vis forfatter(e) (2007). Analyse av utslipp og spredning klorgass ved bruk av FLUENT – en vurdering av modelloppbygning og beregning av spredning.
  • Vis forfatter(e) (2007). A Study of Chlorine Gas Modelling in Low Wind, Using the CFD Tool FLACS.
  • Vis forfatter(e) (2006). Performance evaluation of gas dispersion models - their applications and limitations.
  • Vis forfatter(e) (2005). Investigation of explosion properties of coal dust clouds in air, with a view to numerical modelling of dust explosion development (DESC-code).
  • Vis forfatter(e) (2005). Investigation of explosion properties of aluminium and silicon dust clouds in air, with a view to numerical modelling of dust explosion cevelopment (DESC-code).
  • Vis forfatter(e) (2004). Simulation and modelling of water spray in the 3D explosion simulation program FLACS.
Doktorgradsavhandling
  • Vis forfatter(e) (2018). Investigation of instability and turbulence effects on gas explosions: experiments and modelling.
  • Vis forfatter(e) (2018). Dust Explosion Protection research: practical engineering perspectives.
  • Vis forfatter(e) (2014). Flame propagation in dust clouds.
  • Vis forfatter(e) (2013). Onset of smoldering and transition to flaming fire.
  • Vis forfatter(e) (2011). A study of selected problems related to accidental process fires.
  • Vis forfatter(e) (2010). Development, use, and validation of the CFD tool FLACS for hydrogen safety studies.
Poster
  • Vis forfatter(e) (2019). Chemical time scale based turbulent burning velocity model for CFD modelling of gas explosions.
  • Vis forfatter(e) (2018). Evaluation of Flame Propagation in Dust Clouds in 20-liter and 500-liter Spherical Vessels .
  • Vis forfatter(e) (2017). Experimental Determination of Premixed Hydrogen-Air Laminar Burning Velocities, and the Effect of Water Mist Introduction.
  • Vis forfatter(e) (2011). Optimal gas firefighting training objects.
  • Vis forfatter(e) (2011). Ignition of cotton by different heat flux scenarios.
Fagartikkel
  • Vis forfatter(e) (2022). Commissioning a New Multiphase Pump Visualization Test Rig to Investigate the Internal Flow Field and its Connection with Pump Performance. Proceedings of the 38th International Pump Users Symposium.

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