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Bjørn Johan Arntzen's picture

Bjørn Johan Arntzen

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

More information in national current research information system (CRIStin)