Et profilbilde

Professor
Bjørn Helge Hjertager { "honorific-suffix": "Professor", "fn": "Bjørn Helge Hjertager", "tel": "Telephone: +47 51831807", "email": "bjorn.hjertager@uis.no" }

Faculty Faculty of Science and Technology
Department Department of Mechanical and Structural Engineering and Materials Science
Room KE E-266
Priv. phone/mob +4746790916
Notes Professor Emeritus of Fluid Dynamics from March 2019

Courses taught

Research fields

Selected publications

Research in progress

Work experience

Scientific publications (from Cristin)

  • 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. In: ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering - Volume 1: Offshore Technology -. ASME Press. ISBN 978-0-7918-5120-3.
  • Hjertager, Bjørn H (2017). Multi-fluid CFD analysis in Process Engineering. IOP Conference Series: Materials Science and Engineering. ISSN 1757-8981. Volume 276. Booklet 1. p. 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. Volume 276. Booklet 1. p. 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. Volume 276. Booklet 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. Volume 48. p. 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. Volume 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. Volume 53. p. 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. Volume 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. Volume 7. Booklet 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. Volume 60. Booklet 5. p. 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. Volume 3. Booklet 3.
  • Bove, Stefano; Solberg, Tron; Hjertager, Bjørn H (2004). Numerical aspects of bubble column simulations. International journal of Chemical Reactor Engineering. ISSN 1542-6580. Volume 2. Booklet 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. Volume 59. Booklet 22. p. 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. Volume 2. Booklet 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. Volume 149. Booklet 1. p. 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. Volume 14. Booklet 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. Volume 81. Booklet 6. p. 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. Volume 189. Booklet 9. p. 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. Volume 80. Booklet 4. p. 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. Volume 26. Booklet 6. p. 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. Volume 15. Booklet 3. p. 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. Volume 26. Booklet 4. p. 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. Volume 56. Booklet 21. p. 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. Volume 85. Booklet 2. p. 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. Volume 40. Booklet 23. p. 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. Volume 112. p. 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. Volume 77. Booklet 1. p. 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. Volume 26. p. 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. Volume 45. Booklet 12. p. 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. Volume 95. Booklet 321. p. 1-6.
  • Hjertager, Bjørn Helge (1998). Computational fluid dynamics (CFD) analysis of multiphase chemical reactors. ?. Volume 4. p. 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. Volume 17. Booklet 4. p. 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. Volume 17. Booklet 4. p. 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. Volume 10. Booklet 4. p. 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. Volume 10. Booklet 4. p. 271-283.
  • Hjertager, Bjørn H (1997). Process modelling of chemical reactors: Zero versus multidimensional models. Modeling, Identification and Control. ISSN 0332-7353. Volume 18. Booklet 1. p. 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. Volume 10. Booklet 4. p. 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. Volume 45. p. 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. Volume 22. Booklet 3. p. 575-591.
  • Samuelsberg, A.; Hjertager, Bjørn Helge (1996). Computational modelling of gas/particle flow in a riser. AIChE Journal. ISSN 0001-1541. Volume 42. Booklet 6. p. 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. Volume 51. Booklet 2. p. 233-249.
  • Hjertager, Bjørn H; Morud, Karin (1995). Computational fluid dynamics simulation of bioreactors. Modeling, Identification and Control. ISSN 0332-7353. Volume 16. Booklet 4. p. 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. Volume 21. Booklet 4. p. 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. In: Advances in Multiphase Flow. Elsevier. ISBN 0-444-81811-1. p. 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. Volume 34. Booklet 2. p. 173-197.
  • Hjertager, Bjørn H; Morud, Karin (1993). Computational Fluid Dynamics Simulation of Bioreactors. In: Bioreactor Performance - Proceedings. The Biotechnology Research Foundation. ISBN 91-630-1880-2. p. 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. In: Bioreactor Performance - Proceedings. The Biotechnology Research Foundation. ISBN 91-630-1880-2. p. 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. Volume 5. Booklet 3. p. 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. Volume 10. p. 96-103.
  • Hjertager, Bjørn H (1991). Explosions in offshore modules. Process Safety and Environmental Protection. ISSN 0957-5820. Volume 69. p. 59-66.
  • Hjertager, Bjørn H (1989). Simulation of gas explosions. Modeling, Identification and Control. ISSN 0332-7353. Volume 10. Booklet 4. p. 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. Volume 75. Booklet 3-4. p. 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. Volume 19. Booklet 2. p. 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. Volume 64. Booklet 4-6. p. 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. Volume 1. Booklet 4. p. 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. Volume 21. Booklet 1. p. 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. Volume 24. Booklet 1. p. 129-140.
  • Hjertager, Bjørn H (1986). Three-dimensional modeling of flow, heat transfer and combustion. In: Handbook of Heat and Mass Transfer, Vol. 1: Heat Transfer Operations. CRC Press. ISBN 978-0872014114. p. 1303-1350.
  • Hjertager, Bjørn H (1984). Computer simulation of turbulent reactive gas dynamics. Modeling, Identification and Control. ISSN 0332-7353. Volume 5. Booklet 4. p. 211-236.
  • Hjertager, Bjørn H (1984). Influence of turbulence on gas explosions. Journal of Hazardous Materials. ISSN 0304-3894. Volume 9. Booklet 3. p. 315-346.
  • Hjertager, Bjørn H (1982). Simulation of transient compressible turbulent reactive flows. Combustion Science and Technology. ISSN 0010-2202. Volume 27. Booklet 5-6. p. 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. Volume 3. Booklet 3-4. p. 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. Volume 47. p. 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. Volume 19. Booklet 1. p. 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. Volume 9. Booklet 4. p. 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. Volume 8. Booklet 3. p. 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. Volume 17. Booklet 1. p. 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. Volume 16. Booklet 1. p. 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 p.
  • Hjertager, Bjørn H (2015). Fluid Dynamics 2nd Edition. McGraw-Hill. ISBN 9781308521527. 463 p.
  • Hjertager, Bjørn (2013). Fluid Dynamics. McGraw-Hill. ISBN 9781121931770. 475 p.
  • Bjerketvedt, Dag; Hjertager, Bjørn Helge; Tokheim, Lars-André (1997). Vurdering av eksplosjon i rørledning 13/4-97 ved HPI. Tel-Tek. 9 p.
  • 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 p.
  • 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 p.
  • 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. ASME; 2018-06-17 - 2018-06-22.
  • 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.