Et profilbilde

Professor
Bjørn Helge Hjertager { "honorific-suffix": "Professor", "fn": "Bjørn Helge Hjertager", "tel": "Telefon: 51831807", "email": "bjorn.hjertager@uis.no" }

Avdeling/enhet Det teknisk- naturvitenskapelige fakultet
Institutt/senter Institutt for maskin, bygg og materialteknologi
Rom KE E-232
Hjemmeside https://no.linkedin.com/in/bjornhjertager
Tlf priv/mob mob: 46790916
Merknader Professor of Fluid Dynamics and Team Leader Renewable Energy Technology

Academic background


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)

 

Forskningsområder

 

Hjertagers 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 15-20 years has been directed towards the following areas:

- Industrial and Environmental Flows

- Multiphase Chemical Reactors

- Chemical Reactions in Turbulent Flows

- Combustion Hazards

In his field of expertise he has in the last years given courses in:

- Fluid Mechanics and Heat Transfer (BSc level)

- Transport Processes (MSc level)

- Computational Fluid Dynamics (CFD) (MSc level given in Norway, Denmark and Italy)

- Computational multi-Fluid Dynamics (CmFD) (PhD level given in Norway, Denmark, Finland, the Netherlands and Italy)

- Modeling of Chemical and Physical systems (MSc level)

- Consequences from Release of Flammable Materials (MSc level)

More details of the topics and succesful PhD's may be found on the homepage of his former Research Group at Aalborg University Esbjerg (AAUE): http://vbn.aau.dk/da/organisations/cheff-research-group-chemical-fluid-flow-processes(0eaea3ca-a9c0-4802-86b3-e1b82221a817).html

 

Pågående forskning

Hjertager's research is directed towards the following areas:

- Industrial and Environmental Flows

- Multiphase Chemical Reactors

- Chemical Reactions in Turbulent Flows

- Combustion Hazards

Arbeidserfaring

Professional 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 proces engineering/ Chemical flow processes, Aalborg University Esbjerg (AAUE)

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

1997 ?2008 Professor Chemical process engineering, AAUE

2008 - 2012 Head of Department and Professor, UiS

2012 - 2013 Professor and Vice-Dean of Research

2013 - 2014 Acting Dean and Professor

2002 - present General Manager EXSIM Consultants AS

2014 - 2017 Professor and Vice-Dean for Research

2017 - present Professor

Prof. Hjertager has published over 200 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 coauthored over 75 reports during his affiliation with NTH, NUI, CMI, HiT-TF/Tel-Tek and AAUE.

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.

Prof. Hjertager is also listed in Who's Who in Frontier Science and Technology.

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. 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 succesful 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, Energies, Mathematical Problems in Engineering, Materials.

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

Vitenskapelige publikasjoner (fra CRISTin)

  • 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. 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. ISSN 1468-4349. Volum 7. Hefte 2.
  • 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. ISSN 0009-2509. Volum 60. Hefte 5. s. 1449-1464.
  • 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 (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. 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.
  • 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.
  • 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; 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.
  • 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 (AICHE). ISSN 0196-7282.
  • 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.
  • 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.
  • 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.
  • 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; Solberg, Tron; Hjertager, Bjørn H (2001). Large eddy simulation of the gas-liquid flow in a square-sectioned bubble column. Chemical Engineering Science. 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.
  • 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.
  • 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.
  • 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; 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.
  • Deen, Niels; Hjertager, Bjørn H (1999). Multiphase particle image velocimetry in an aerated stirred tank. Annual meeting / American Institute of Chemical Engineers (AICHE). ISSN 0196-7282.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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). 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, 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.
  • Morud, Karin; Hjertager, Bjørn H (1996). LDA measurements and CFD modelling of gas-liquid flow in a stirred vessel. Chemical Engineering Science. ISSN 0009-2509. Volum 51. Hefte 2. s. 233-249.
  • 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.
  • 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.
  • 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.
  • 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.
  • Hjertager, Bjørn H; Morud, Karin (1993). Computational Fluid Dynamics Simulation of Bioreactors. I: Bioreactor Performance - Proceedings. The Biotechnology Research Foundation. ISBN 91-630-1880-2. s. 47-61.
  • 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. The Biotechnology Research Foundation. ISBN 91-630-1880-2. s. 243-259.
  • 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.
  • 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 (1991). Explosions in offshore modules. Process Safety and Environmental Protection. ISSN 0957-5820. Volum 69. s. 59-66.
  • Hjertager, Bjørn H (1989). Simulation of gas explosions. Modeling, Identification and Control. ISSN 0332-7353. Volum 10. Hefte 4. s. 227-247.
  • 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; 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.
  • 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.
  • 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.
  • 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.
  • 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). Computer simulation of turbulent reactive gas dynamics. Modeling, Identification and Control. ISSN 0332-7353. Volum 5. Hefte 4. s. 211-236.
  • 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 (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. (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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • Hjertager, Bjørn H (2018). Engineering Fluid Dynamics. MDPI. ISBN 978-3-03842-668-4. 212 s.
  • Hjertager, Bjørn H (2015). Fluid Dynamics 2nd Edition. McGraw-Hill. ISBN 9781308521527. 463 s.
  • Hjertager, Bjørn (2013). Fluid Dynamics. McGraw-Hill. ISBN 9781121931770. 475 s.
  • Bjerketvedt, Dag; Hjertager, Bjørn Helge; Tokheim, Lars-André (1997). Vurdering av eksplosjon i rørledning 13/4-97 ved HPI. Tel-Tek. 9 s.
  • 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. Thornton Research Centre.
  • Hjertager, Bjørn Helge (1996). EXSIM-94 verssion 2.0 : user's manual. Tel-Tek.
  • Mathiesen, V.; Solberg, Tron; Hjertager, Bjørn Helge (1996). NORG underground gas facility : gas explosion analysis. Tel-Tek.
  • Solberg, Tron; Friberg, Per Christian; Hjertager, Bjørn Helge (1996). CEC EMERGE project : numerical studies : Tel-Tek final report. Tel-Tek.
  • Sæter, O.; Solberg, T.; Hjertager, Bjørn Helge (1996). Validation of the EXSIM-94 gas explosion simulator. ERA Technology Limited. -218 s.
  • 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. Tel-Tek/KTH.
  • 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. Chr Michelsens institutt.
  • Hjertager, Bjørn H (1979). Flow, heat transfer and combustion in three-dimensional rectangular enclosures. Norwegian University of Science and Technology.
  • Hjertager, Bjørn H; Magnussen, Bjørn F. (1975). A computation procedure for three-dimensional flows with application to some laminar incompressible internal flows. NTH. 26 s.
  • Hjertager, Bjørn H (2017). Engineering fluid dynamics.
  • Hjertager, Bjørn H (2017). Multi-Fluid CFD Analysis in Process Engineering. UiS; 2017-11-29 - 2017-12-01.
  • Rege, Kristen; Hjertager, Bjørn H (2017). Application of foam-extend on turbulent fluid-structure interaction. UiS; 2017-11-30 - 2017-12-01.
  • 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. University of Stavanger; 2017-11-29 - 2017-12-01.
  • Hjertager, Bjørn H (2014). Basic numerical analysis of multiphase flow. Aalto University; 2014-06-02 - 2014-06-04.
  • Hjertager, Bjørn H (2014). Euler/Euler analysis of gas/liquid reactors. Aalto University; 2014-06-02 - 2014-06-04.
  • Hjertager, Bjørn H (2014). Euler/Euler analysis of gas/solids reactors. Aalto University; 2014-06-02 - 2014-06-04.
  • Hjertager, Bjørn H (2014). Flow modelling: A short review of CFD theory. Aalto University; 2014-06-02 - 2014-06-04.
  • Giljarhus, Knut Erik Teigen; Venkatraman, Marutha Muthu; Nyiredy, Robert; Hjertager, Bjørn (2013). Turbulence around the helideck of an offshore oil platform. ICON Ltd; 2013-10-24 - 2013-10-25.
  • Hjertager, Bjørn (2011). Basic Numerical Analysis of Multiphase Flows. Aalto University; 2011-06-06 - 2011-06-10.
  • Hjertager, Bjørn (2011). Euler/Euler Analysis of Gas/Liquid Reactors. Aalto University; 2011-06-06 - 2011-06-10.
  • Hjertager, Bjørn (2011). Euler/Euler Analysis of Gas/Solids reactors. Aalto University; 2011-06-06 - 2011-06-10.
  • Hjertager, Bjørn (2011). Flow modelling: Short review of CFD theory. Aalto University; 2011-06-06 - 2011-06-10.
  • Sreedharan, Vikram; Hjertager, Bjørn; Solberg, Tron (2011). A CFD Study of Entrained-Flow Gasifiers using two Feed Types. SINTEF/NTNU; 2011-06-21 - 2011-06-23.
  • Sreedharan, Vikram; Hjertager, Bjørn; Solberg, Tron (2011). CFD Study of Heavy Oil Gasification in an Entrained-Flow Gasifier. American Institute for Chemical Engineers; 2011-10-16 - 2011-10-21.
  • Nielsen, Allan Holm; Hjertager, Bjørn Helge; Solberg, Tron (2010). CFD analysis of non-evaporating sprays using the DQMOM method. 2010-08-06 - 2010-08-08.
  • Nielsen, Allan Holm; Sreedharan, Vikram; Hjertager, Bjørn Helge; Solberg, Tron (2010). CFD analysis of dilute sprays using the Euler-Lagrange modeling. 2010-06-21 - 2010-06-24.
  • Sreedharan, Vikram; Hjertager, Bjørn Helge; Solberg, Tron (2010). CFD Simulation of Coal Gasification in An Entrained-Flow Gasifier. 2010-11-07 - 2010-11-12.
  • Hjertager, Bjørn Helge (2009). Computational analysis of fluid flow processes using OpenFOAM. University of Salerno, Dept of chemical engineering; 2009-04-16 - 2009-04-20.
  • Bove, Stefano; Solberg, Tron; Hjertager, Bjørn Helge (2008). Computational Fluid Dynamics of Gas-Liquid Flows in Bubble Columns including Bubble Population Balances. 2008-06-10 - 2008-06-12.
  • 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. 2008-06-10 - 2008-06-12.
  • Madsen, Jesper; Solberg, Tron; Hjertager, Bjørn Helge (2008). Application of the Direct Quadrature Method of Moments (DQMOM) to a Hollow-Cone Water Spray. 2008-06-15 - 2008-06-20.
  • Ruggiero, Loredana; Hansen, Rolf; Solberg, Tron; Hjertager, Bjørn Helge; Osseo, Sesti Libero (2008). Simulation of High Density Circulating Bed Reactor. 2008-09-07 - 2008-09-10.
  • Mathisen, Vidar; Solberg, Tron; Hjertager, Bjørn Helge (2000). A numerical study of three-dimensional multiphase flow pattern in a riser.
  • Enfors, S.O.; Friberg, Paal C.; Hjertager, Bjørn helge (1999). Bioprocess scale-up strategy based on integration of fluid dynamics and microbial physiology.
  • Friberg, Paal C.; Hjertager, Bjørn Helge (1999). Simulation of a 3-dimentional large scale fermenter with four Rushton turbines using a two.fluid model.
  • Hjertager, Bjørn Helge; Mathisen, Vidar; Solberg, Tron (1999). Computational analysis of some fluidized systems.
  • Hjertager, Bjørn Helge; Solberg, Tron (1999). A review of computational fluid dynamics (CFD) modeling of gas explosions.
  • 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.
  • Solbakken, Trond; Hjertager, Bjørn Helge (1999). A computational and experimental study of flowpattern in a pilot and afull scale bubble column.
  • Høiset, Stian; Hjertager, Bjørn Helge; Solberg, Tron; Malo, Kjell A. (1998). The effect of ignition point location on maximum overpressure.
  • Hjertager, Bjørn Helge (1997). A numerical model (EXSIM) in detail.
  • Hjertager, Bjørn Helge (1997). CFD modelling and simulation of multiphase reactors.
  • Hjertager, Bjørn Helge (1997). Computational fluid dynamics (CFD) modelling and simulation of bioreactors.
  • Hjertager, Bjørn Helge (1997). Explosions in obstructed vessels.
  • Hjertager, Bjørn Helge (1997). Numerical modelling of gas explosions.
  • Hjertager, Bjørn Helge (1997). Process modelling of chemical reactors : zero- versus multidimentional models.
  • Hjertager, Bjørn Helge; Solberg, Tron (1997). Validation of gas explosion models.
  • Hjertager, Bjørn Helge; Sæter, O.; Solberg, Tron (1997). Numerical modelling of gas explosions : a review.
  • Manger, E.; Solberg, T.; Hjertager, Bjørn Helge (1997). Simulation of dense particle flow in a CFB riser.
  • Mathiesen, V.; Solberg, Tron; Manger, E.; Hjertager, Bjørn Helge (1997). Modelling and predictions of multiphase flow in a pilotscale circulating fluidized bed.
  • Samuelsberg, A.; Hjertager, Bjørn Helge (1997). Computational fluid dynamic simulation of an oxy-chlorination reaction in a full-scale fluidized bed reactor.
  • Høiset, S.; Solberg, T.; Malo, Kjell A.; Hjertager, B. H. (1997). The effect of ignition point location on maximum explosion pressure. [Mangler data];
  • Hjertager, Bjørn H (1996). Computational fluid dynamics (CFD) modelling and simulation of bioreactors. European Federation of Biotechmology; 1996-06-14 - 1996-06-18.
  • Manger, Eirik; Solberg, Tron; Hjertager, Bjørn H (1995). Numerical simulation of a vertical lifter. Institution of Engineers, Australia; 1995-07-09 - 1995-07-12.
  • 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. 1994-08-01 - 1994-08-05.
  • 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. MEP/BHR grpoup; 1993-08-01 - 1993-08-06.
  • 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. 1992-08-01 - 1992-08-05.
  • Hjertager, Bjørn H (1985). Swirl flows.
  • Hjertager, Bjørn H; Fuhre, K; Parker, SJ; Bakke, JR (1984). Flame Acceleration og propane-air in large-scale obstructed tube. 1984-08-01 - 1984-08-05.
  • Hjertager, Bjørn H (1981). Numerical simulation of turbulent flame and pressure develpment in gas explosions. McGill University; 1981-11-04 - 1981-11-06.
  • Hjertager, Bjørn H; Fuhre, K; Eckhoff, Rolf Kristian (1981). Large-scale experiments on flame and pressure development. McGill University; 1981-11-04 - 1981-11-06.
  • Frydenbø, F T; Hjertager, Bjørn H; Nygaard, A; Olsen, Claude R. (1980). The NUI breathing simulator - Design and experience. 1980-02-04 - 1980-02-06.
  • Magnussen, Bjørn F.; Hjertager, Bjørn H (1979). Calculation of flow, mixing, and evaporation of a two-phase mixture injected into a hot gas stream. ICHMT; 1979-08-14 - 1979-08-21.
  • Hjertager, Bjørn H; Magnussen, Bjørn F. (1976). Computation of some three-dimensional laminar incompressible flows. Heat Transfer and Fluid Mechanics Institute; 1976-06-21 - 1976-06-23.
  • Hjertager, Bjørn H; Magnussen, Bjørn F. (1976). Numerical prediction of three-dimensional turbulent buoyant flow in a ventilated room. ICHMT; 1976-08-01 - 1976-08-07.
  • 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. European Combustion Institute; 1975-09-01 - 1975-09-05.