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)

  • Hjertager, Bjørn H (2019). Engineering Fluid Dynamics 2018. MDPI. ISBN 978-3-03928-112-1. 256 p.
  • 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.
  • 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. International Association for Wind Engineering (IAWE); 2019-09-02 - 2019-09-06.
  • 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. Faculty of Science and Technology, University of Stavanger; 2019-11-27 - 2019-11-29.
  • 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.