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Bjørn Helge Hjertager

Professor emeritus

Det teknisk- naturvitenskapelige fakultet
Institutt for maskin, bygg og materialteknologi
KE E-266
Bio

Hjertager's background is Process/Chemical Engineering, Fluid Mechanics and Transport Processes with research area related to Industrial Fluid Flow Processes, both computational and experimental studies. His research the last 15-25 years has been directed towards the following areas:

- Industrial and Environmental Flows

- Multiphase Chemical Reactors

- Chemical Reactions in Turbulent Flows

- Combustion Hazards

UNDERVISNING

FORSKNINGSOMRÅDER

 - Industrial and Environmental Flows

- Multiphase Chemical Reactors

- Chemical Reactions in Turbulent Flows

- Combustion Hazards

 

UTVALGTE PUBLIKASJONER

Most recent 

https://scholar.google.com/citations?hl=no&user=zP761fsAAAAJ&view_op=list_works&sortby=pubdate

Most referenced

 https://scholar.google.com/citations?hl=no&user=zP761fsAAAAJ&view_op=list_works

ARBEIDSERFARING

Born: In Bergen, Norway, 1947

Education

1968 Ingeniør (BSc), Bergen College of Engineering (Mechanical Eng.), Norway

1972 Sivilingeniør (MSc), University of Trondheim, Norwegian Inst. of Technology (NTH); (Mechanical/Process Eng.), Norway

1979 Dr.Ing. (PhD), University of Trondheim, Norwegian Inst. of Technology (NTH); Norway, (Combustion, Heat Transfer and Fluid Flow)

Experience

1973 Soot formation and combustion, NTH

1974-1975 Modelling of turbulent flows, NTH

1976-1978 Three dimensional flows, NTH

1979 Underwater technology, Norwegian Underwater Inst. (NUI),Norway

1980-1988 Gas explosion research, Chr. Michelsen Inst.(CMI), Norway

1984-1988 Multiphase flows, CMI

1989-1997 Combustion hazards analysis, Telemark Inst. of Technology (HiT-TF) and Telemark Technological R&D Centre (Tel-Tek), Norway

 1989-1997 Industrial fluid flow processes, HiT-TF/Tel-Tek

1997- 2008 Chemical process engineering/ Chemical fluid flow processes, Aalborg University Esbjerg (AAUE), Denmark

 2008 - present Computational fluid dynamics, University of Stavanger (UiS)

 

Positions held

1973 Scientific assistant, NTH

1974-1975 University scholarship holder, NTH

1976-1978 Assistant professor, NTH

1979 Head of dept. for Technological R&D, NUI

1980-1983 Senior scientist, CMI

1980-1987 Head of Gas explosion research program, CMI

1987-1988 Head of Multiphase flow research program, CMI

1984-1988 Research Manager, CMI

1989-1997 Professor Industrial mathematics/ Process engineering, HiT-TF

1989-1997 Research Director II, Tel-Tek

1993-1995 Head of Process Technology Department (IPT), HiT-TF

1997- 2001 Senior Adviser II, Tel-Tek

2002 - present General Manager, EXSIM Consultants AS

1997 - 2008  Professor Chemical process engineering, AAUE

2008 - 2012 Head of Department and Professor, UiS

 2012- 2017 Professor Fluid dynamics and Vice-Dean for research, UiS

 2017- 2019 Professor Fluid dynamics, UiS

 2019 - present Professor Emeritus Fluid dynamics, UiS

  

Prof. Hjertager has published over 150 papers at international conferences and in international journals on fluid flow, heat transfer, combustion, gas explosions and chemical reactors. In addition he has authored and co-authored over 75 reports during his affiliation with NTH, NUI, CMI, HiT-TF/Tel-Tek, AAUE and UiS.

He has Professor competence in the following areas: Engineering Thermodynamics, NTH, 1984; Fluid Mechanics, Technical University of Denmark (DTH), 1987; Process Engineering, Telemark Institute of Technology (HiT-TF), 1988; Industrial Mathematics (Modeling and simulation), HiT-TF, 1988 and Chemical Process Engineering, AAUE, 1996.

He has been adviser to Royal Norwegian Council for Scientific and Industrial Research, NTNF's, committees on 1) Multiphase flow transport and 2) Explosions and Fires and he was member in the permanent Commission for Diving accidents set up by the Royal Norwegian Ministry of Justice. He has been Board member of DANSIS - the Danish Society for Industrial Fluid Mechanics as well as co-Board member in CAS - Centre for Advanced Studies. He has also been appointed "assessor" for the Australian Research Council (ARC), "evaluator" for the EU commission and for the Research Council of Norway as well as "reviewer" for Science & Engineering Research Council (SERC) in Singapore.

He has been member of numerous doctoral committees in Norway, England, Sweden, Denmark, The Netherlands, Finland, Spain and Australia and he has supervised 21 successful Dr.Ing./PhD candidates in Norway and Denmark. He has also participated in numerous evaluation committees for applicants for professorships at Universities in Norway, Denmark and Sweden.

He has been reviewer for many international conferences and international journals, including the bi-annual Int. Symposia on Combustion, Int. J. for Multiphase Flow, Chemical Engineering Science, Combustion Science and technology, Int. J. for Heat and Mass Transfer, Powder Technology, Industrial & Engineering Chemistry Research, Chemical Engineering Communications, AIChE Journal, Process Safety and Environmental Protection, Int. J. of Chemical Reactor Engineering, International Conference on Multiphase Flow (ICMF), Computers and Fluids, Reviews in Chemical Engineering, Revista Ingeniería e Investigación, Journal of Offshore Mechanics and Arctic Engineering, Aircraft Engineering and Aerospace Technology, Energies, Mathematical Problems in Engineering, Journal of Chemical Technology & Biotechnology, ACTA POLYTECHNICA - Journal of Advanced Engineering, Journal of Chemistry, Mineralss, Applied Sciences, Symmetry, Chemical Engineering Research and Design (CHERD).

He has also consulted for numerous industrial companies in Europe as well as in Australia and the USA.

+
Publications
  • Vitenskapelige publikasjoner
    • Hågbo, Trond-Ola; Giljarhus, Knut Erik Teigen; Hjertager, Bjørn H

      (2021)

      Influence of geometry acquisition method on pedestrian wind simulations.

      Journal of Wind Engineering and Industrial Aerodynamics

      ISSN 0167-6105.

      Volum 215.

      DOI: 10.1016/j.jweia.2021.104665

    • Li, Yuzhu; Ong, Muk Chen; Gudmestad, Ove Tobias; Hjertager, Bjørn H

      (2019)

      The effects of slab geometries and wave directions on the steep wave-induced soil response and liquefaction around gravity-based offshore foundations.

      Ships and Offshore Structures

      ISSN 1744-5302.

      DOI: 10.1080/17445302.2019.1690736

    • Hågbo, Trond-Ola; Giljarhus, Knut Erik Teigen; Qu, Sen; Hjertager, Bjørn H

      (2019)

      The performance of structured and unstructured grids on wind simulations around a high-rise building.

      IOP Conference Series: Materials Science and Engineering

      ISSN 1757-8981.

      Volum 700.

      Hefte 1.

      DOI: 10.1088/1757-899X/700/1/012001

    • Li, Yuzhu; Ong, Muk Chen; Gudmestad, Ove Tobias; Hjertager, Bjørn H

      (2018)

      Numerical Analysis of Steep Wave-Induced Seabed Response and Liquefaction Around Gravity-Based Offshore Foundations. I: ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering - Volume 1: Offshore Technology - .

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5120-3.

      DOI: 10.1115/OMAE2018-77046

    • Hjertager, Bjørn H

      (2017)

      Multi-fluid CFD analysis in Process Engineering.

      IOP Conference Series: Materials Science and Engineering

      ISSN 1757-8981.

      Volum 276.

      Hefte 1.

      s.1-22.

      DOI: 10.1088/1757-899X/276/1/012010

    • Rege, Kristen; Hjertager, Bjørn H

      (2017)

      Application of Foam-extend on Turbulent Fluid-Structure Interaction.

      IOP Conference Series: Materials Science and Engineering

      ISSN 1757-8981.

      Volum 276.

      Hefte 1.

      s.1-19.

      DOI: 10.1088/1757-899X/276/1/012031

    • Riva, Lorenzo; Teigen, Knut Erik; Hjertager, Bjørn H; Kalvig, Siri Margrethe

      (2017)

      Implementation and application of the actuator line model by OpenFOAM for vertical axis wind turbine.

      IOP Conference Series: Materials Science and Engineering

      ISSN 1757-8981.

      Volum 276.

      Hefte 1.

      DOI: 10.1088/1757-899X/276/1/012002

    • Rian, Kjell Erik; Evanger, Trond; Vembe, Bjørn Erling; Lilleheie, Nils Inge; Lakså, Brynjar; Hjertager, Bjørn H; Magnussen, Bjørn F.

      (2016)

      Coherent computational analysis of large-scale explosions and fires in complex geometries - from combustion science to a safer oil and gas industry.

      Chemical Engineering Transactions

      ISSN 1974-9791.

      Volum 48.

      s.175-180.

      DOI: 10.3303/CET1648030

    • Kalvig, Siri M.; Manger, Eirik; Hjertager, Bjørn H

      (2014)

      Comparing different CFD wind turbine modelling approaches with wind tunnel measurements.

      Journal of Physics: Conference Series (JPCS)

      ISSN 1742-6588.

      Volum 555.

      DOI: 10.1088/1742-6596/555/1/012056

    • Kalvig, Siri M.; Manger, Eirik; Hjertager, Bjørn H; Jakobsen, Jasna Bogunovic

      (2014)

      Wave Influenced Wind and the Effect on Offshore Wind Turbine Performance.

      Energy Procedia

      ISSN 1876-6102.

      Volum 53.

      s.202-213.

      DOI: 10.1016/j.egypro.2014.07.229

    • Hjertager Osenbroch, Lene; Hjertager, Bjørn Helge; Solberg, Tron

      (2008)

      Experimental and Computational Studies of Turbulent Mass Transfer in a Mixing Channel.

      International journal of Chemical Reactor Engineering

      ISSN 1542-6580.

      Volum 6.

    • Hjertager, Bjørn H; Solberg, Tron; Hansen, KG

      (2007)

      Reactive gas solids flow in circulating fluidised beds.

      Progress in Computational Fluid Dynamics, An International Journal (CFD)

      ISSN 1468-4349.

      Volum 7.

      Hefte 2.

    • Osenbroch, LKH; Hjertager, Bjørn H; Solberg, Tron

      (2005)

      Experiments and CFD modelling of fast chemical reaction in turbulent liquid flows.

      International journal of Chemical Reactor Engineering

      ISSN 1542-6580.

      Volum 3.

      Hefte 3.

    • Bove, Stefano; Solberg, Tron; Hjertager, Bjørn H

      (2005)

      A novel algoritmn for solving population balance equations: the parallel parent and daugther cklasses. Derivation and testing.

      Chemical Engineering Science (CES)

      ISSN 0009-2509.

      Volum 60.

      Hefte 5.

      s.1449-1464.

    • Bove, Stefano; Solberg, Tron; Hjertager, Bjørn H

      (2004)

      Numerical aspects of bubble column simulations.

      International journal of Chemical Reactor Engineering

      ISSN 1542-6580.

      Volum 2.

      Hefte 1.

    • Hansen, KG; Solberg, Tron; Hjertager, Bjørn H

      (2004)

      A three-dimensional simulation of gas/particle flow and ozone decomposition in the riser of a circulating fluidized bed.

      Chemical Engineering Science (CES)

      ISSN 0009-2509.

      Volum 59.

      Hefte 22.

      s.5217-5224.

    • Hjertager, Bjørn H; Solberg, Tron; Ibsen, CH; Hansen, KG

      (2004)

      Multi-fluid CFD modelling of fluidised bed reactors.

      International journal of Chemical Reactor Engineering

      ISSN 1542-6580.

      Volum 2.

      Hefte 1.

    • Ibsen, CH; Helland, Eyvind; Hjertager, Bjørn H; Solberg, Tron; Tadrist, L; Ocelli, R

      (2004)

      Comparison of multifluid and discrete particle modelling in numerical predictions of gas particle flows in circulating fluidized beds.

      Powder Technology

      ISSN 0032-5910.

      Volum 149.

      Hefte 1.

      s.29-41.

    • Osenbroch, LKH; Hjertager, Bjørn H; Solberg, Tron

      (2003)

      CFD modelling of turbulent mixing in a confined wake flow.

      Annual meeting - American Institute of Chemical Engineers

      ISSN 0196-7282.

    • Hansen, KG; Ibsen, CH; Solberg, Tron; Hjertager, Bjørn H

      (2003)

      Eulerian/Eulerian CFD simulation of a cold flowing FCC riser.

      International journal of Chemical Reactor Engineering

      ISSN 1542-6580.

    • Osenbroch, LKH; Hjertager, Bjørn H; Deen, Niels; Solberg, Tron

      (2003)

      Measurement of turbulent mixing in a confined wake flow using combined PIV and PLIF.

      Canadian Journal of Chemical Engineering

      ISSN 0008-4034.

      Volum 81.

      Hefte 6.

      s.1149-1158.

    • Ibsen, CH; Onofri, F; Solberg, Tron; Hjertager, Bjørn H; Tadrist, L

      (2003)

      Improved particle image velocimetry measurements in gas-particle flows with a dense wall layer.

      Measurement Science and Technology

      ISSN 0957-0233.

      Volum 14.

      Hefte 4.

    • Osenbroch, LKH; Hjertager, Bjørn H; Solberg, Tron

      (2002)

      CFD modelling of fast chemical reactions in turbulent liquid flows.

      Computers and Chemical Engineering

      ISSN 0098-1354.

      Volum 26.

      Hefte 4.

      s.507-515.

    • Deen, Niels; Hjertager, Bjørn H

      (2002)

      Particle image velocimetry measurements in an aerated stirred tank.

      Chemical Engineering Communications

      ISSN 0098-6445.

      Volum 189.

      Hefte 9.

      s.1208-1221.

    • Deen, Niels; Solberg, Tron; Hjertager, Bjørn H

      (2002)

      Flow generated by an aerated Rushton impeller: Two-phase PIV experiments and numerical simulations.

      Canadian Journal of Chemical Engineering

      ISSN 0008-4034.

      Volum 80.

      Hefte 4.

      s.638-652.

    • Naamansen, Peter; Baraldi, D; Hjertager, Bjørn H; Solberg, Tron; Cant, S

      (2002)

      Solution adaptive CFD simulation of premixed flame propagation over various solid obstructions.

      Journal of Loss Prevention in the Process Industries

      ISSN 0950-4230.

      Volum 15.

      Hefte 3.

      s.189-197.

    • Ibsen, CH; Solberg, Tron; Hjertager, Bjørn H; Johnsson, Filip

      (2002)

      Laser Doppler anamometry measurementsin a circulating fluidized bed of metal particles.

      Experimental Thermal and Fluid Science

      ISSN 0894-1777.

      Volum 26.

      Hefte 6.

      s.851-859.

    • Ibsen, CH; Solberg, Tron; Hjertager, Bjørn H

      (2001)

      Evaluation of a three-dimensional numerical model of scaled circulating fluidized bed.

      Industrial & Engineering Chemistry Research

      ISSN 0888-5885.

      Volum 40.

      Hefte 23.

      s.5081-5086.

    • Deen, Niels; Solberg, Tron; Hjertager, Bjørn H

      (2001)

      Large eddy simulation of the gas-liquid flow in a square-sectioned bubble column.

      Chemical Engineering Science (CES)

      ISSN 0009-2509.

      Volum 56.

      Hefte 21.

      s.6341-6349.

    • Enfors, SO; Jahic, Mirza; Xu, B; Hjertager, Bjørn H; Friberg, P

      (2001)

      Physiological responses to mixing in large scale bioreactors.

      Journal of Biotechnology

      ISSN 0168-1656.

      Volum 85.

      Hefte 2.

      s.175-185.

    • Høiseth, Stian; Hjertager, Bjørn H; Solberg, Tron; Malo, Kjell A.

      (2000)

      Flixborough revisited - an explosion simulation approach.

      Journal of Hazardous Materials

      ISSN 0304-3894.

      Volum 77.

      Hefte 1.

      s.1-9.

    • Mathiesen, Vidar; Solberg, Tron; Hjertager, Bjørn helge

      (2000)

      An experimental and computational study of multiphase flow behavior in a circulating fluidized bed.

      International Journal of Multiphase Flow

      ISSN 0301-9322.

      Volum 26.

      s.387-419.

    • Mathiesen, Vidar; Solberg, tron; Hjertager, Bjørn Helge

      (2000)

      Predictions of gas/particle flow with an Eulerian model including a realistic particle size distribution.

      Powder Technology

      ISSN 0032-5910.

      Volum 112.

      s.34-45.

    • Deen, Niels; Hjertager, Bjørn H

      (1999)

      Multiphase particle image velocimetry in an aerated stirred tank.

      Annual meeting - American Institute of Chemical Engineers

      ISSN 0196-7282.

    • Mathiesen, Vidar; Solberg, Tron; Arastoopour, Hamid; Hjertager, Bjørn Helge

      (1999)

      Experimental and computational study of multiphase gas/particle flow in a CBF.

      AIChE Journal

      ISSN 0001-1541.

      Volum 45.

      Hefte 12.

      s.2503-2518.

    • Hjertager, Bjørn Helge; Mathiesen, Vidar; Solberg, Tron

      (1999)

      Computational analysis of some fluidized systems.

      AIChE Symposium Series

      ISSN 0065-8812.

      Volum 95.

      Hefte 321.

      s.1-6.

    • Høiseth, Stian; Hjertager, Bjørn H; Solberg, Tron; Malo, Kjell Arne

      (1998)

      Properties of simulated gas explosions of interest to the structural design process.

      Process safety progress

      ISSN 1066-8527.

      Volum 17.

      Hefte 4.

      s.278-287.

    • Hjertager, Bjørn Helge

      (1998)

      Computational fluid dynamics (CFD) analysis of multiphase chemical reactors.

      ?

      Volum 4.

      s.45-92.

    • Høiset, Stian; Hjertager, Bjørn Helge; Solberg, Tron; Malo, K.A.

      (1998)

      Properties of simulated gas explosions of interest to the structural design process.

      Process safety progress

      ISSN 1066-8527.

      Volum 17.

      Hefte 4.

      s.278-287.

    • Høiset, Stian; Hjertager, Bjørn Helge; Solberg, Tron; Malo, Kjell A.

      (1997)

      Statistical estimation of loads from gas explosions.

      Journal of Loss Prevention in the Process Industries

      ISSN 0950-4230.

      Volum 10.

      Hefte 4.

      s.271-283.

    • Hjertager, Bjørn H

      (1997)

      Process modelling of chemical reactors: Zero versus multidimensional models.

      Modeling, Identification and Control

      ISSN 0332-7353.

      Volum 18.

      Hefte 1.

      s.19-59.

    • Høiseth, Stian; Hjertager, Bjørn H; Solberg, Tron; Malo, KA

      (1997)

      Statistical estimation of loads from gasd explosions.

      Journal of Loss Prevention in the Process Industries

      ISSN 0950-4230.

      Volum 10.

      Hefte 4.

      s.271-283.

    • Høiset, Stian; Hjertager, Bjørn Helge; Solberg, Tron; Malo, Kjell A.

      (1997)

      Statistical estimation of loads from gas explosions.

      Journal of Loss Prevention in the Process Industries

      ISSN 0950-4230.

      Volum 10.

      Hefte 4.

      s.271-283.

    • Morud, Karin; Hjertager, Bjørn H

      (1996)

      LDA measurements and CFD modelling of gas-liquid flow in a stirred vessel.

      Chemical Engineering Science (CES)

      ISSN 0009-2509.

      Volum 51.

      Hefte 2.

      s.233-249.

    • Popat, N.R.; Hjertager, Bjørn Helge; Catlin, C.A.; Arntzen, B.J.; Solberg, Tron; Sæter, O.; Lindstedt, R.P.; Berg, A.C. van den

      (1996)

      Investigations to improve and assess the accuracy of computational fluid dynamic (CFD) based explosion models.

      Journal of Hazardous Materials

      ISSN 0304-3894.

      Volum 45.

      s.1-25.

    • Samuelsberg, A.; Hjertager, Bjørn Helge

      (1996)

      Computational modelling of gas/particle flow in a riser.

      AIChE Journal

      ISSN 0001-1541.

      Volum 42.

      Hefte 6.

      s.1536-1546.

    • Samuelsberg, A.; Hjertager, Bjørn Helge

      (1996)

      An experimental and numerical study of flow patterns in a circulating fluidized bed reactor.

      International Journal of Multiphase Flow

      ISSN 0301-9322.

      Volum 22.

      Hefte 3.

      s.575-591.

    • Samuelsberg, Arild E.; Hjertager, Bjørn H

      (1995)

      Simulation of two-phas gas/particle flow and ozone decomposition in a 0.25 ID riser. I: Advances in Multiphase Flow.

      Elsevier

      ISBN 0-444-81811-1.

      s.679-688.

    • Manger, Eirik; Solberg, Tron; Hjertager, Bjørn H; Vareide, Dag

      (1995)

      Numerical simulation of the ticking hourglass.

      International Journal of Multiphase Flow

      ISSN 0301-9322.

      Volum 21.

      Hefte 4.

      s.561-567.

    • Hjertager, Bjørn H; Morud, Karin

      (1995)

      Computational fluid dynamics simulation of bioreactors.

      Modeling, Identification and Control

      ISSN 0332-7353.

      Volum 16.

      Hefte 4.

      s.177-191.

    • Hjertager, Bjørn H

      (1993)

      Computer modelling of turbulent gas explosions in complex 2D and 3D geometries.

      Journal of Hazardous Materials

      ISSN 0304-3894.

      Volum 34.

      Hefte 2.

      s.173-197.

    • Noorman, HJ; Hjertager, Bjørn H; Morud, Karin; Tradgardh, C; Enfors, SO; Larsson, Gen; Tørnquist, M

      (1993)

      Measurement and Computational Fluid Dynamics simulation of Saccharomyces cerevisiae production in a 30m3 stirred tank reactor. I: Bioreactor Performance - Proceedings.

      ISBN 91-630-1880-2.

      s.243-259.

    • Hjertager, Bjørn H; Morud, Karin

      (1993)

      Computational Fluid Dynamics Simulation of Bioreactors. I: Bioreactor Performance - Proceedings.

      ISBN 91-630-1880-2.

      s.47-61.

    • Samuelsberg, Arild E.; Hjertager, Bjørn H

      (1992)

      Computational simulation of flow processes in fluidized bed reactors.

      Kona : Powder and Particle

      ISSN 0288-4534.

      Volum 10.

      s.96-103.

    • Hjertager, Bjørn H; Solberg, Tron; Nymoen, KO

      (1992)

      Computer modelling of gas explosion propagation in offshore modules.

      Journal of Loss Prevention in the Process Industries

      ISSN 0950-4230.

      Volum 5.

      Hefte 3.

      s.165-174.

    • Hjertager, Bjørn H

      (1991)

      Explosions in offshore modules.

      Process Safety and Environmental Protection

      ISSN 0957-5820.

      Volum 69.

      s.59-66.

    • Moen, IO; Bjerketvedt, Dag; Engebretsen, T.; Jenssen, A.; Hjertager, Bjørn H; Bakke, JR

      (1989)

      Transition to detonation in a flame jet.

      Combustion and Flame

      ISSN 0010-2180.

      Volum 75.

      Hefte 3-4.

      s.297-308.

    • Hjertager, Bjørn H

      (1989)

      Simulation of gas explosions.

      Modeling, Identification and Control

      ISSN 0332-7353.

      Volum 10.

      Hefte 4.

      s.227-247.

    • Hjertager, Bjørn H; Bjørkhaug, Magne; Fuhre, K

      (1988)

      Explosion propagation of non-homogeneous methane-air clouds inside an obstructed 50m3 vented vessel.

      Journal of Hazardous Materials

      ISSN 0304-3894.

      Volum 19.

      Hefte 2.

      s.139-153.

    • Moen, IO; Sulmistras, A.; Hjertager, Bjørn H; Bakke, JR

      (1988)

      Turbulent flame propagation and transition to detonation in large fuel-air clouds.

      Proceedings of the Combustion Institute

      ISSN 1540-7489.

      Volum 21.

      Hefte 1.

      s.1617-1627.

    • Hjertager, Bjørn H; Fuhre, K; Bjørkhaug, Magne

      (1988)

      Gas explosion experiments in 1:33 and 1:5 scale offshore separator and compressor modules using stoiciometetric homogeneous fuel-air clouds.

      Journal of Loss Prevention in the Process Industries

      ISSN 0950-4230.

      Volum 1.

      Hefte 4.

      s.197-205.

    • Hjertager, Bjørn H; Fuhre, K; Bjørkhaug, Magne

      (1988)

      Concentration effects on flame acceleration by obstacles in large-scale methane-air and propane-air explosions.

      Combustion Science and Technology

      ISSN 0010-2202.

      Volum 64.

      Hefte 4-6.

      s.239-256.

    • Bakke, JR; Hjertager, Bjørn H

      (1987)

      The effect of explosion venting in empty vessels.

      International Journal for Numerical Methods in Engineering

      ISSN 0029-5981.

      Volum 24.

      Hefte 1.

      s.129-140.

    • Hjertager, Bjørn H

      (1986)

      Three-dimensional modeling of flow, heat transfer and combustion. I: Handbook of Heat and Mass Transfer, Vol. 1: Heat Transfer Operations.

      CRC Press

      ISBN 978-0872014114.

      s.1303-1350.

    • Hjertager, Bjørn H

      (1984)

      Influence of turbulence on gas explosions.

      Journal of Hazardous Materials

      ISSN 0304-3894.

      Volum 9.

      Hefte 3.

      s.315-346.

    • Hjertager, Bjørn H

      (1984)

      Computer simulation of turbulent reactive gas dynamics.

      Modeling, Identification and Control

      ISSN 0332-7353.

      Volum 5.

      Hefte 4.

      s.211-236.

    • Thibault, P; Liu, YK; Chan, C; Lee, JHS; knystautas, r; Gurao, C; Hjertager, Bjørn H

      (1982)

      Transmission of an explosion through an orifice.

      Proceedings of the Combustion Institute

      ISSN 1540-7489.

      Volum 19.

      Hefte 1.

      s.599-606.

    • Moen, Ingar; Lee, JHS; Hjertager, Bjørn H; Fuhre, K; Eckhoff, Rolf Kristian

      (1982)

      Pressure development due to turbulent flame propagation in large-scale methane-air explosions.

      Combustion and Flame

      ISSN 0010-2180.

      Volum 47.

      s.31-52.

    • Hjertager, Bjørn H; Magnussen, Bjørn F.

      (1982)

      Computer simulation of flow, heat transfer and combustion in three-dimensional furnaces.

      Physicochemical hydrodynamics : PCH

      ISSN 0191-9059.

      Volum 3.

      Hefte 3-4.

      s.231-250.

    • Hjertager, Bjørn H

      (1982)

      Simulation of transient compressible turbulent reactive flows.

      Combustion Science and Technology

      ISSN 0010-2202.

      Volum 27.

      Hefte 5-6.

      s.159-170.

    • Hjertager, Bjørn H; Magnussen, Bjørn F.

      (1981)

      Laser doppler velocity measurements in the three-dimensional flow of a jet in a square enclosure.

      International Communications in Heat and Mass Transfer

      ISSN 0735-1933.

      Volum 8.

      Hefte 3.

      s.171-186.

    • Hjertager, Bjørn H; Magnussen, Bjørn F.

      (1981)

      Calculation of turbulent three-dimensional jet induced flow in rectangular enclosures.

      Computers & Fluids

      ISSN 0045-7930.

      Volum 9.

      Hefte 4.

      s.395-407.

    • Magnussen, Bjørn F.; Hjertager, Bjørn H; Olsen, J G; Bhaduri, D

      (1979)

      Effects of turbulent structure and local concentrations on soot formation and combustion in a C2H2 diffusion flame.

      Proceedings of the Combustion Institute

      ISSN 1540-7489.

      Volum 17.

      Hefte 1.

      s.1383-1393.

    • Magnussen, Bjørn F.; Hjertager, Bjørn H

      (1977)

      On mathematical modeling of turbulent combustion with special emphasis on soot formation and combustion.

      Proceedings of the Combustion Institute

      ISSN 1540-7489.

      Volum 16.

      Hefte 1.

      s.719-729.

      DOI: 10.1016/S0082-0784(77)80366-4

  • Bøker og kapitler
    • Hjertager, Bjørn H

      (2021)

      Engineering Fluid Dynamics 2019–2020 Volume 1.

      MDPI

      ISBN 978-3-0365-0214-4.

      Hefte Special Issue.

    • Hjertager, Bjørn H

      (2021)

      Engineering Fluid Dynamics 2019–2020 Volume 2.

      MDPI

      ISBN 978-3-0365-0250-2.

      Hefte Special Issue.

    • Hjertager, Bjørn H

      (2020)

      Engineering fluid dynamics 2018.

      ISBN 9783039281121.

      Hefte Special issue.

    • Hjertager, Bjørn H

      (2018)

      Engineering Fluid Dynamics.

      ISBN 978-3-03842-668-4.

    • Hjertager, Bjørn H

      (2015)

      Fluid Dynamics 2nd Edition.

      McGraw-Hill

      ISBN 9781308521527.

    • Hjertager, Bjørn

      (2013)

      Fluid Dynamics.

      McGraw-Hill

      ISBN 9781121931770.

    • Bjerketvedt, Dag; Hjertager, Bjørn Helge; Tokheim, Lars-André

      (1997)

      Vurdering av eksplosjon i rørledning 13/4-97 ved HPI.

    • Hjertager, Bjørn Helge

      (1996)

      EXSIM-94 verssion 2.0 : user's manual.

      Hefte 500016-.

    • Mathiesen, V.; Solberg, Tron; Hjertager, Bjørn Helge

      (1996)

      NORG underground gas facility : gas explosion analysis.

      Hefte nr. 500.

    • Chynoweth, S.; Hjertager, Bjørn Helge; Puttock, J.S.; Solberg, Tron

      (1996)

      EXSIM-94 predictions for stage 2 of the blast and fire engineering joint industry project.

      Hefte OT.96.4.

    • Solberg, Tron; Friberg, Per Christian; Hjertager, Bjørn Helge

      (1996)

      CEC EMERGE project : numerical studies : Tel-Tek final report.

      Hefte 500025-.

    • Sæter, O.; Solberg, T.; Hjertager, Bjørn Helge

      (1996)

      Validation of the EXSIM-94 gas explosion simulator.

      Hefte 95-1173.

    • George, S; Larsson, Gen; Enfors, SO; Morud, Karin; Hjertager, Bjørn H

      (1992)

      Large-scale test of hydrodynamic-microbial model predictability and comparison with scale down reactor. 215 m3 bubble column at Svenska Jastfabrikken.

    • Hjertager, Bjørn H; Moen, Ingar; Lee, JHS; Eckhoff, Rolf Kristian; Fuhre, K; Krest, O.

      (1981)

      The influence of obstacles on flame propagation and pressure development in a large vented tube.

    • Hjertager, Bjørn H

      (1979)

      Flow, heat transfer and combustion in three-dimensional rectangular enclosures.

    • Hjertager, Bjørn H; Magnussen, Bjørn F.

      (1975)

      A computation procedure for three-dimensional flows with application to some laminar incompressible internal flows.

  • Formidling
    • Hågbo, Trond-Ola; Giljarhus, Knut Erik Teigen; Hjertager, Bjørn H

      (2021)

      Influence of geometry acquisition method on pedestrian wind simulations.

    • Hågbo, Trond-Ola; Giljarhus, Knut Erik Teigen; Hjertager, Bjørn H

      (2021)

      Influence of geometry acquisition method on pedestrian wind simulations.

    • Hågbo, Trond-Ola; Giljarhus, Knut Erik Teigen; Hjertager, Bjørn H

      (2019)

      Influence of Geometry Input on Urban CFD Wind Simulations – Comparison of 3D Models from LiDAR, Photogrammetry and Digital Building Data.

    • Hågbo, Trond-Ola; Giljarhus, Knut Erik Teigen; Qu, Sen; Hjertager, Bjørn H

      (2019)

      The performance of structured and unstructured grids on wind simulations around a high-rise building.

    • Li, Yuzhu; Ong, Muk Chen; Gudmestad, Ove Tobias; Hjertager, Bjørn H

      (2018)

      Numerical Analysis of Steep Wave-Induced Seabed Response and Liquefaction Around Gravity-Based Offshore Foundations.

    • Hjertager, Bjørn H

      (2017)

      Engineering fluid dynamics.

      Energies

      ISSN 1996-1073.

      Volum 10.

      Hefte 10.

      DOI: 10.3390/en10101467

    • Rege, Kristen; Hjertager, Bjørn H

      (2017)

      Application of foam-extend on turbulent fluid-structure interaction.

    • Riva, Lorenzo; Teigen, Knut Erik; Hjertager, Bjørn H; Kalvig, Siri Margrethe

      (2017)

      Implementation and application of the actuator line model by OpenFOAM for a vertical axis wind turbine.

    • Hjertager, Bjørn H

      (2017)

      Multi-Fluid CFD Analysis in Process Engineering.

    • Hjertager, Bjørn H

      (2014)

      Euler/Euler analysis of gas/liquid reactors.

    • Hjertager, Bjørn H

      (2014)

      Basic numerical analysis of multiphase flow.

    • Hjertager, Bjørn H

      (2014)

      Flow modelling: A short review of CFD theory.

    • Hjertager, Bjørn H

      (2014)

      Euler/Euler analysis of gas/solids reactors.

    • Giljarhus, Knut Erik Teigen; Venkatraman, Marutha Muthu; Nyiredy, Robert; Hjertager, Bjørn

      (2013)

      Turbulence around the helideck of an offshore oil platform.

    • Sreedharan, Vikram; Hjertager, Bjørn; Solberg, Tron

      (2011)

      A CFD Study of Entrained-Flow Gasifiers using two Feed Types.

    • Sreedharan, Vikram; Hjertager, Bjørn; Solberg, Tron

      (2011)

      CFD Study of Heavy Oil Gasification in an Entrained-Flow Gasifier.

    • Hjertager, Bjørn

      (2011)

      Flow modelling: Short review of CFD theory.

    • Hjertager, Bjørn

      (2011)

      Euler/Euler Analysis of Gas/Liquid Reactors.

    • Hjertager, Bjørn

      (2011)

      Euler/Euler Analysis of Gas/Solids reactors.

    • Hjertager, Bjørn

      (2011)

      Basic Numerical Analysis of Multiphase Flows.

    • Sreedharan, Vikram; Hjertager, Bjørn Helge; Solberg, Tron

      (2010)

      CFD Simulation of Coal Gasification in An Entrained-Flow Gasifier.

    • Nielsen, Allan Holm; Hjertager, Bjørn Helge; Solberg, Tron

      (2010)

      CFD analysis of non-evaporating sprays using the DQMOM method.

    • Nielsen, Allan Holm; Sreedharan, Vikram; Hjertager, Bjørn Helge; Solberg, Tron

      (2010)

      CFD analysis of dilute sprays using the Euler-Lagrange modeling.

    • Hjertager, Bjørn Helge

      (2009)

      Computational analysis of fluid flow processes using OpenFOAM.

    • Hansen, Rolf; Solberg, Tron; Hjertager, Bjørn Helge

      (2008)

      Modelling of the Bubble Size Distribution in a Square Bubble Column Using the One-Group Interfacial Area Concentration Transport Equation.

    • Ruggiero, Loredana; Hansen, Rolf; Solberg, Tron; Hjertager, Bjørn Helge; Osseo, Sesti Libero

      (2008)

      Simulation of High Density Circulating Bed Reactor.

    • Bove, Stefano; Solberg, Tron; Hjertager, Bjørn Helge

      (2008)

      Computational Fluid Dynamics of Gas-Liquid Flows in Bubble Columns including Bubble Population Balances.

    • Madsen, Jesper; Solberg, Tron; Hjertager, Bjørn Helge

      (2008)

      Application of the Direct Quadrature Method of Moments (DQMOM) to a Hollow-Cone Water Spray.

    • Mathisen, Vidar; Solberg, Tron; Hjertager, Bjørn Helge

      (2000)

      A numerical study of three-dimensional multiphase flow pattern in a riser.

    • Solbakken, Trond; Hjertager, Bjørn Helge

      (1999)

      A computational and experimental study of flowpattern in a pilot and afull scale bubble column.

    • Enfors, S.O.; Friberg, Paal C.; Hjertager, Bjørn helge

      (1999)

      Bioprocess scale-up strategy based on integration of fluid dynamics and microbial physiology.

    • Hjertager, Bjørn Helge; Mathisen, Vidar; Solberg, Tron

      (1999)

      Computational analysis of some fluidized systems.

    • Friberg, Paal C.; Hjertager, Bjørn Helge

      (1999)

      Simulation of a 3-dimentional large scale fermenter with four Rushton turbines using a two.fluid model.

    • Mathisen, Vidar; Solberg, Tron; Hjertager, Bjørn Helge

      (1999)

      A computational study of multiphase flow behavior in a circulating fluidized bed with a realistic particle size distribution.

    • Hjertager, Bjørn Helge; Solberg, Tron

      (1999)

      A review of computational fluid dynamics (CFD) modeling of gas explosions.

    • Høiset, Stian; Hjertager, Bjørn Helge; Solberg, Tron; Malo, Kjell A.

      (1998)

      The effect of ignition point location on maximum overpressure.

    • Hjertager, Bjørn Helge; Solberg, Tron

      (1997)

      Validation of gas explosion models.

    • Hjertager, Bjørn Helge

      (1997)

      Process modelling of chemical reactors : zero- versus multidimentional models.

    • Hjertager, Bjørn Helge

      (1997)

      Computational fluid dynamics (CFD) modelling and simulation of bioreactors.

    • Mathiesen, V.; Solberg, Tron; Manger, E.; Hjertager, Bjørn Helge

      (1997)

      Modelling and predictions of multiphase flow in a pilotscale circulating fluidized bed.

    • Hjertager, Bjørn Helge

      (1997)

      Explosions in obstructed vessels.

    • Høiset, S.; Solberg, T.; Malo, Kjell A.; Hjertager, B. H.

      (1997)

      The effect of ignition point location on maximum explosion pressure.

    • Samuelsberg, A.; Hjertager, Bjørn Helge

      (1997)

      Computational fluid dynamic simulation of an oxy-chlorination reaction in a full-scale fluidized bed reactor.

    • Manger, E.; Solberg, T.; Hjertager, Bjørn Helge

      (1997)

      Simulation of dense particle flow in a CFB riser.

    • Hjertager, Bjørn Helge

      (1997)

      Numerical modelling of gas explosions.

    • Hjertager, Bjørn Helge; Sæter, O.; Solberg, Tron

      (1997)

      Numerical modelling of gas explosions : a review.

    • Hjertager, Bjørn Helge

      (1997)

      A numerical model (EXSIM) in detail.

    • Hjertager, Bjørn Helge

      (1997)

      CFD modelling and simulation of multiphase reactors.

    • Hjertager, Bjørn H

      (1996)

      Computational fluid dynamics (CFD) modelling and simulation of bioreactors.

    • Manger, Eirik; Solberg, Tron; Hjertager, Bjørn H

      (1995)

      Numerical simulation of a vertical lifter.

    • Noorman, HJ; Enfors, SO; Hjertager, Bjørn H; Larsson, Gen; Morud, Karin; Tradgardh, C; Tørnquist, M

      (1994)

      Verification of integrated microbial fluid dynamics: Saccharomyces cerevisiae production in a 30m3 scal.

    • Noorman, HJ; Morud, Karin; Hjertager, Bjørn H; Tradgardh, C; Larsson, Gen; Enfors, SO

      (1993)

      CFD modelling and verification of flow and conversion in a 1 m3 bioreactor.

    • Morud, Karin; Hjertager, Bjørn H

      (1992)

      Multi-dimensional modelling of processes in bioreactors: Flow and biochemical reaaction in a bubble column and flow in a stirred vessel.

    • Hjertager, Bjørn H

      (1985)

      Swirl flows.

      International Journal of Heat and Mass Transfer

      ISSN 0017-9310.

      Volum 28.

      Hefte 5.

      s.1055-1055.

    • Hjertager, Bjørn H; Fuhre, K; Parker, SJ; Bakke, JR

      (1984)

      Flame Acceleration og propane-air in large-scale obstructed tube.

    • Hjertager, Bjørn H; Fuhre, K; Eckhoff, Rolf Kristian

      (1981)

      Large-scale experiments on flame and pressure development.

    • Hjertager, Bjørn H

      (1981)

      Numerical simulation of turbulent flame and pressure develpment in gas explosions.

    • Frydenbø, F T; Hjertager, Bjørn H; Nygaard, A; Olsen, Claude R.

      (1980)

      The NUI breathing simulator - Design and experience.

    • Magnussen, Bjørn F.; Hjertager, Bjørn H

      (1979)

      Calculation of flow, mixing, and evaporation of a two-phase mixture injected into a hot gas stream.

    • Hjertager, Bjørn H; Magnussen, Bjørn F.

      (1976)

      Numerical prediction of three-dimensional turbulent buoyant flow in a ventilated room.

    • Hjertager, Bjørn H; Magnussen, Bjørn F.

      (1976)

      Computation of some three-dimensional laminar incompressible flows.

    • Magnussen, Bjørn F.; Hjertager, Bjørn H

      (1975)

      On the prediction of soot formation and combustion in turbulent flames with special reference to a free-jet C2H2 flame.

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