Alex Christian Hoffmann
Stilling
Emeritus, Fluid- og partikeldynamik, thermodynamik
Tilhørighet
Publikasjoner
Vitenskapelig artikkel
- Mario Cioffi; Klazien J. Ganzeveld; Alex Christian Hoffmann et al. (2004). A rheokinetic study of bulk free radical polymerization performed with a helical barrel rheometer. (ekstern lenke)
- D van der Spoel; Erik Johannes Wensink; Alex Christian Hoffmann (2006). Lifting a wet glass from a table: A microscopic picture. (ekstern lenke)
- Maryam Ghaffari; Alex Christian Hoffmann; Trygve Skjold et al. (2019). A brief review on the effect of particle size on the laminar burning velocity of flammable dust: application in a CFD tool for industrial applications. (ekstern lenke)
- M. Cioffi; Alex Christian Hoffmann; L.P.B.M. Janssen (2001). Rheokinetics and the influence of shear rate on the Trommsdorff (gel) effect during free radical polymerization. (ekstern lenke)
- Ted Ørjan Seim Gundersen; Victor Moënne-Loccoz; Marine Dupoiron et al. (2023). Visualization of Unsteady Flow in a Multistage Helico-Axial Pump. (ekstern lenke)
- Thinh Xuan Ho; Pawel Jan Kosinski; Alex Christian Hoffmann et al. (2008). Numerical modeling of solid oxide fuel cells. (ekstern lenke)
- Pawel Jan Kosinski; Alex Christian Hoffmann; R. Klemens (2005). Dust lifting behind shock waves: comparison of two modelling techniques. (ekstern lenke)
- Crina S. Suciu; Alex Christian Hoffmann; Arild Vik et al. (2008). Effect of calcination conditions and precursor proportions on the properties of YSZ nanoparticles obtained by modified sol-gel route. (ekstern lenke)
- Crina S. Suciu; Alex Christian Hoffmann; Eugen Dorolti et al. (2008). NiO/YSZ nanoparticles obtained by new sol-gel route. (ekstern lenke)
- Dagfinn Mæland; Crina S. Suciu; Ivar Wærnhus et al. (2009). Sintering of 4YSZ (ZrO2+4 mol% Y2O3) nanoceramics for solid oxide fuel cells (SOFCs), their structure and ionic conductivity. (ekstern lenke)
- Pawel Jan Kosinski; Alex Christian Hoffmann (2010). Quantification of the adhesive impulse for the extended hard-sphere model. (ekstern lenke)
- Thinh Xuan Ho; Pawel Jan Kosinski; Alex Christian Hoffmann et al. (2009). Modeling of transport, chemical and electrochemical phenomena in a cathode-supported SOFC. (ekstern lenke)
- Boris Balakin; Tom Christian Holm Adamsen; Yu-Fen Chang et al. (2017). Non-invasive studies of multiphase flow in process equipment. Positron emission particle tracking technique.. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2008). Simulation of a dust lifting process with rough walls. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2008). Influence of collision algorithm parameters on statistical results of dust lifting simulations. (ekstern lenke)
- Thinh Xuan Ho; Pawel Jan Kosinski; Alex Christian Hoffmann et al. (2010). Effects of heat sources on the performance of a planar solid oxide fuel cell. (ekstern lenke)
- Thinh Xuan Ho; Pawel Jan Kosinski; Alex Christian Hoffmann et al. (2010). Transport, chemical and electrochemical processes in a planar SOFC: Detailed three-dimensional modeling. (ekstern lenke)
- Erik Johannes Wensink; Alex Christian Hoffmann; P.J. van Maaren et al. (2003). Dynamic properties of water/alcohol mixtures studied by computer simulation. (ekstern lenke)
- Alex Christian Hoffmann (2023). Signs of stress. (ekstern lenke)
- Yu-Fen Chang; Alex Christian Hoffmann (2015). A Lagrangian study of liquid flow in a reverse-flow hydrocyclone using positron emission particle tracking. (ekstern lenke)
- Herold G. Dehling; Chutima Dechsiri; Timo Gottschalk et al. (2007). A stochastic model for mixing and segregation in slugging fluidized beds. (ekstern lenke)
- Timo Gottschalk; Herold G. Dehling; Alex Christian Hoffmann (2008). Multiphase stochastic model for fluidized beds. (ekstern lenke)
- Pavel Struchalin; Vegar Hovdenakk Øye; Pawel Jan Kosinski et al. (2022). Flow loop study of a cold and cohesive slurry. Pressure drop and formation of plugs. (ekstern lenke)
- Ted Ø. S. Gundersen; Erik Andre Torbergsen; Boris Balakin et al. (2026). Backflow-Induced Negative Cross-Coupled Stiffness—A Numerical Study of Multistage Axial-Flow Impeller Rotordynamic Forces. (ekstern lenke)
- Stefan H. Schaafsma; Tom Marx; Alex Christian Hoffmann (2006). Investigation of the particle flowpattern and segregation in tapered fluidized bed granulators. (ekstern lenke)
- Boris V Balakin; Sergey Alyaev; Alex Christian Hoffmann et al. (2013). Micromechanics of agglomeration forced by the capillary bridge: The restitution of momentum. (ekstern lenke)
- Ellinor Arguilla Svensen; Alex Christian Hoffmann (2020). First and second-order models for the vortex length in cylinder-on-cone cyclones based on large-eddy simulations. (ekstern lenke)
- Alex Christian Hoffmann; Weiming Peng; H Dries et al. (2006). Effect of pressure recovery vanes on the performance of a swirl tube, with emphasis on the flow pattern and separation efficiency. (ekstern lenke)
- Siri Jacobsson; Trond Austrheim; Alex Christian Hoffmann (2006). Experimental and computational fluid dynamics investigation of the flow in and around once-through swirl tubes. (ekstern lenke)
- T Gottschalk; HG Dehling; Alex Christian Hoffmann (2006). Danckwerts' law for mean residence time revisited. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2009). The effect of polydispersity on dust lifting behind shock waves. (ekstern lenke)
- Boris V Balakin; Alex Christian Hoffmann; Pawel Jan Kosinski et al. (2010). Combined CFD/Population Balance Model for gas hydrate particle size prediction in turbulent pipeline flow. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2009). Jet-vortex interaction: a numerical study. (ekstern lenke)
- Trond Austrheim; Lars H. Gjertsen; Alex Christian Hoffmann (2008). Experimental investigation of the performance of a large-scale scrubber operating at elevated pressure on live natural gas. (ekstern lenke)
- Crina S. Suciu; Egil Severin Erichsen; Alex Christian Hoffmann et al. (2009). Modified sol-gel method used for obtaining SOFC electrolyte materials. (ekstern lenke)
- Thinh Xuan Ho; Pawel Jan Kosinski; Alex Christian Hoffmann et al. (2009). Detailed modeling of an anode-supported solid oxide fuel cell using a fully three-dimensional approach. (ekstern lenke)
- Crina S. Suciu; L.ucia Gagea; Alex Christian Hoffmann et al. (2006). Sol-gel production of zirconia nanoparticles with a new organic precursor. (ekstern lenke)
- Ted Ørjan Seim Gundersen; Erik Andre Torbergsen; Boris Balakin et al. (2024). Improved Prediction of Pump Performance Through the Rotation-Curvature Correction - An Experimental and Numerical Study of a Low-Specific-Speed Helico-Axial Compression Cell in Series. (ekstern lenke)
- Maryam Ghaffari; Anders Vestvik; Boris V Balakin et al. (2012). Deposition capabilities of turbulent particle-laden flow passing an obstacle using experiment and CFD. (ekstern lenke)
- Boris V Balakin; Alex Christian Hoffmann; Pawel Jan Kosinski (2011). Experimental study and computational fluid dynamics modeling of deposition of hydrate particles in a pipeline with turbulent water flow. (ekstern lenke)
- J.C. Bosma; Alex Christian Hoffmann (2003). On the capacity of continuous powder classification in a gas fluidized bed with horizontal baffles. (ekstern lenke)
- Nelson Thambiraj; I. Warnhus; C. Suciu et al. (2020). Single-Cell Tests to Explore the Reliability of Sofc Installations Operating Offshore. (ekstern lenke)
- Bjørn Steen Sæthre; David van der Spoel; Alex Christian Hoffmann (2012). Free energy of separation of structure II clathrate hydrate in water and a light oil. (ekstern lenke)
- Boris V Balakin; Alex Christian Hoffmann; Pawel Jan Kosinski (2014). Coupling STAR-CD with a population-balance technique based on the classes method. (ekstern lenke)
- Pawel Kosinski; Anna Dorota Kosinska; Alex Christian Hoffmann (2009). Simulation of solid particles behaviour in a driven cavity flow. (ekstern lenke)
- Pawel Jan Kosinski; Boris V Balakin; Prachi Middha et al. (2013). Heat conduction during collisions of cohesive and viscoelastic particles. (ekstern lenke)
- Pawel Jan Kosinski; Alex Christian Hoffmann (2010). An extension of the hard-sphere particle-particle collision model to study agglomeration. (ekstern lenke)
- Gleb Pisarev; Alex Christian Hoffmann (2011). Certainties and uncertainties in CFD prediction of the end of the vortex behaviour in centrifugal separators. (ekstern lenke)
- Ragnhild Brandsæter Asserson; Alex Christian Hoffmann; Sylvi Høiland et al. (2009). Interfacial tension measurement of freon hydrates by droplet deposition and contact angle measurements. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2007). Dust Lifting Simulations with Particles of Distributed Sizes. (ekstern lenke)
- Trond Austrheim; Lars H. Gjertsen; Alex Christian Hoffmann (2007). Is the Souders-Brown equation sufficient for scrubber design? An experimental investigation at elevated pressure with hydrocarbon fluids. (ekstern lenke)
- Crina S. Suciu; Alex Christian Hoffmann; Arild Vik et al. (2007). Fuel cells and nanoparticles. (ekstern lenke)
- Pawel Jan Kosinski; Anna Kosinska; Alex Christian Hoffmann (2007). Consequences of particle-particle interaction in a 2D square domain. (ekstern lenke)
- Weiming Peng; Alex Christian Hoffmann; Huub Dries (2004). Separation characteristics of swirl-tube dust separators. (ekstern lenke)
- W. Peng; Alex Christian Hoffmann; P.J.A.J. Boot et al. (2002). Flowpattern in Reverse Flow Centrifugal Separators. (ekstern lenke)
- Pawel Kosinski; Anna Dorota Kosinska; Alex Christian Hoffmann (2007). Consequences of particle-particle interaction in a 2-D square domain. (ekstern lenke)
- W. Peng; P.J.A.J. Boot; Alex Christian Hoffmann et al. (2001). Flow in the inlet region in tangential inlet cyclones. (ekstern lenke)
- Chutima Dechsiri; EA Van der Zwan; Herold G. Dehling et al. (2005). Dispersion of particle pulses in fluidized beds measured by positron emission tomography. (ekstern lenke)
- Chutima Dechsiri; A Ghione; F van de Wiel et al. (2005). Positron emission tomography applied to fluidization engineering. (ekstern lenke)
- J Ritherdon; Chutima Dechsiri; AR Jones et al. (2005). On suitability of novel fluidised bed technique for separation of metallic powders during commercial powder metallurgical processing. (ekstern lenke)
- SH Schaafsma; P Vonk; NWF Kossen et al. (2006). A model for the spray zone in early-stage fluidized bed granulation. (ekstern lenke)
- Alex Christian Hoffmann; Åshild Skorpen Heggland; Yu-Fen Chang (2019). Positron emission particle tracking and CFD investigation of hydrocyclones acting on liquids of varying viscosity. (ekstern lenke)
- Weiming Peng; Alex Christian Hoffmann; Huub W.A. Dries et al. (2005). Neutrally boyant tracer in gas cleaning equipment. A case study. (ekstern lenke)
- Gleb Pisarev; Alex Christian Hoffmann; Weiming Peng et al. (2011). Large Eddy Simulation of the vortex end in reverse-flow centrifugal separators. (ekstern lenke)
- Pawel Jan Kosinski; Alex Christian Hoffmann (2009). Extension of the hard-sphere particle-wall collision model to account for particle deposition. (ekstern lenke)
- Boris V Balakin; Alex Christian Hoffmann; Pawel Jan Kosinski et al. (2008). Eulerian-Eulerian simulation of sedimentation of uniformly-sized, non-Brownian spheres in viscous fluids. (ekstern lenke)
- Hanna-Mari Viktoria Tikkanen; Crina S. Suciu; Ivar Wærnhus et al. (2011). Examination of the co-sintering process of thin 8YSZ films obtained by dip-coating on in-house produced NiO-YSZ. (ekstern lenke)
- Crina S. Suciu; Arild Vik; Firuta Goga et al. (2009). Physico-chemical characterization of 8ysz nanoparticles by modified sol-gel method. (ekstern lenke)
- Prachi Middha; Boris V Balakin; Line Kristin Leirvåg et al. (2013). PEPT - A novel tool for investigation of pneumatic conveying. (ekstern lenke)
- Gleb Pisarev; Vidar Gjerde; Boris V Balakin et al. (2012). Experimental and computational study of the "end of the vortex" phenomenon in reverse-flow centrifugal separators. (ekstern lenke)
- Pawel Jan Kosinski; Alex Christian Hoffmann (2005). Modelling of dust lifting using the Lagrangian approach. (ekstern lenke)
- Boris V Balakin; Håkon Pedersen; Ziya Kilinc et al. (2010). Turbulent flow of freon R11 hydrate slurry. (ekstern lenke)
- Stamatina Karakitsiou; Bodil Holst; Alex Christian Hoffmann (2017). Pressure-Driven Gas Flow through Nano-Channels at High Knudsen Number. (ekstern lenke)
- Huub Dries; Alex Christian Hoffmann (2019). A correlation giving improved description of the capacity and efficiency of vane-type gas-liquid separators. (ekstern lenke)
- Nelson Thambiraj; C. Suciu; I. Warnhus et al. (2017). Effect of Oxygen Depletion to the Cathode on the Working of Solid Oxide Fuel Cells. (ekstern lenke)
- Crina S. Suciu; Alex Christian Hoffmann; Pawel Jan Kosinski (2008). Obtaining YSZ nanoparticles by the sol-gel method with sucrose and pectin as organic precursors. (ekstern lenke)
- Weiming Peng; Alex Christian Hoffmann; Huub Dries (2004). Separation characteristics of swirl-tube dust separators. (ekstern lenke)
- W. Peng; Alex Christian Hoffmann; P.J.A.J. Boot et al. (2002). Flowpattern in Reverse Flow Centrifugal Separators. (ekstern lenke)
- Pawel Kosinski; Anna Dorota Kosinska; Alex Christian Hoffmann (2007). Consequences of particle-particle interaction in a 2-D square domain. (ekstern lenke)
- M. Cioffi; K.J. Ganzeveld; Alex Christian Hoffmann et al. (2002). Rheokinetics of linear polymerization. A literature review. (ekstern lenke)
- Stamatina Karakitsiou; Bodil Holst; Alex Christian Hoffmann (2016). Apparatus for measuring pressure-driven transport through channels at high Knudsen numbers. (ekstern lenke)
- Alex Christian Hoffmann; M. de Groot; W. Peng et al. (2001). Advantages and risks in increasing cyclone separator length. (ekstern lenke)
- Boris V Balakin; Iryna Notøy; Alex Christian Hoffmann et al. (2011). CFD model for the magnetically forced formation of an obstructive deposit in a magnetorheological fluid. (ekstern lenke)
- Pawel Jan Kosinski; Alex Christian Hoffmann (2006). An investigation of the consequences of primary dust explosions in interconnected vessels. (ekstern lenke)
- Weiming Peng; Alex Christian Hoffmann; Huub Dries et al. (2005). Experimental study of the vortex end in centrifugal separators: The nature of the vortex end. (ekstern lenke)
- Weiming Peng; Alex Christian Hoffmann; Huub Dries et al. (2007). Reverse-flow centrifugal separators in parallel: Performance and flow pattern. (ekstern lenke)
- Nazerke Saparbayeva; Yu-Fen Chang; Pawel Jan Kosinski et al. (2023). Cohesive collisions of particles in liquid media studied by CFD-DEM, video tracking, and Positron Emission Particle Tracking. (ekstern lenke)
- Bjørn Steen Sæthre; Alex Christian Hoffmann; David van der Spoel (2014). Order Parameters and Algorithmic Approaches for Detection and Demarcation of Interfaces in Hydrate−Fluid and Ice−Fluid Systems. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2008). Three-dimensional simulation of a dust lifting process with varying parameters. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2011). Numerical study on the dynamics of a jet-vortex interaction. (ekstern lenke)
- C.A. Biggs; C. Sanders; A.C. Scott et al. (2003). Coupling granule properties and granulation rates in high-shear granulation. (ekstern lenke)
- Gleb Pisarev; Alex Christian Hoffmann (2012). Effect of the 'end of the vortex' phenomenon on the particle motion and separation in a swirl tube separator. (ekstern lenke)
- Boris V Balakin; Alex Christian Hoffmann; Pawel Jan Kosinski et al. (2010). Eulerian-Eulerian CFD model for the sedimentation of spherical particles in suspensions with high particle concentrations. (ekstern lenke)
- Maryam Ghaffari; Yu-Fen Chang; Boris V Balakin et al. (2012). CFD Modeling of PEPT Results of Particle Motion Trajectories in a Pipe over an Obstacle. (ekstern lenke)
- Diego Rubio; C. Suciu; I. Warnhus et al. (2017). Tape Casting of Lanthanum Chromite for Solid Oxide Fuel Cell Interconnects. (ekstern lenke)
- Hanna-Mari Viktoria Tikkanen; Crina S. Suciu; Ivar Wærnhus et al. (2011). Dip-coating of 8YSZ nanopowder for SOFC applications. (ekstern lenke)
- Boris V Balakin; Alex Christian Hoffmann; Pawel Jan Kosinski (2010). Population Balance Model for Nucleation, Growth, Aggregation, and Breakage of Hydrate Particles in Turbulent Flow. (ekstern lenke)
- Aslak Solvang Hellestø; Maryam Ghaffari; Boris Balakin et al. (2016). A parametric study of cohesive particle agglomeration in a shear flow : numerical simulations by the discrete element method. (ekstern lenke)
- Boris Balakin; Simon Lo; Pawel Jan Kosinski et al. (2016). Modelling agglomeration and deposition of gas hydrates in industrial pipelines with combined CFD-PBM technique. (ekstern lenke)
- Thinh Xuan Ho; Pawel Jan Kosinski; Alex Christian Hoffmann et al. (2007). Numerical Simulation of Electrochemical and Transport Processes in Solid Oxide Fuel Cells. (ekstern lenke)
- Trond Austrheim; Lars H. Gjertsen; Alex Christian Hoffmann (2007). Re-entrainment correlations for demisting cyclones acting at elevated pressures on a range of fluids. (ekstern lenke)
- Gleb Pisarev; Alex Christian Hoffmann; Weiming Peng et al. (2009). Large eddy simulation of the vortex end in reverse-flow centrifugal separators. (ekstern lenke)
- Boris V Balakin; Alex Christian Hoffmann; Pawel Jan Kosinski et al. (2010). Turbulent flow of hydrates in a pipeline of complex configuration. (ekstern lenke)
- Weiming Peng; Alex Christian Hoffmann; Huub Dries (2004). Separation characteristics of swirl-tube dust separators. (ekstern lenke)
- W. Peng; Alex Christian Hoffmann; P.J.A.J. Boot et al. (2002). Flowpattern in Reverse Flow Centrifugal Separators. (ekstern lenke)
- Pawel Kosinski; Anna Dorota Kosinska; Alex Christian Hoffmann (2007). Consequences of particle-particle interaction in a 2-D square domain. (ekstern lenke)
- M. Cioffi; K.J. Ganzeveld; Alex Christian Hoffmann et al. (2002). Rheokinetics of linear polymerization. A literature review. (ekstern lenke)
- Stamatina Karakitsiou; Bodil Holst; Alex Christian Hoffmann (2016). Apparatus for measuring pressure-driven transport through channels at high Knudsen numbers. (ekstern lenke)
- Alex Christian Hoffmann; M. de Groot; W. Peng et al. (2001). Advantages and risks in increasing cyclone separator length. (ekstern lenke)
- Boris V Balakin; Iryna Notøy; Alex Christian Hoffmann et al. (2011). CFD model for the magnetically forced formation of an obstructive deposit in a magnetorheological fluid. (ekstern lenke)
- Pawel Jan Kosinski; Alex Christian Hoffmann (2006). An investigation of the consequences of primary dust explosions in interconnected vessels. (ekstern lenke)
- Weiming Peng; Alex Christian Hoffmann; Huub Dries et al. (2005). Experimental study of the vortex end in centrifugal separators: The nature of the vortex end. (ekstern lenke)
- Weiming Peng; Alex Christian Hoffmann; Huub Dries et al. (2007). Reverse-flow centrifugal separators in parallel: Performance and flow pattern. (ekstern lenke)
- Nazerke Saparbayeva; Yu-Fen Chang; Pawel Jan Kosinski et al. (2023). Cohesive collisions of particles in liquid media studied by CFD-DEM, video tracking, and Positron Emission Particle Tracking. (ekstern lenke)
- Bjørn Steen Sæthre; Alex Christian Hoffmann; David van der Spoel (2014). Order Parameters and Algorithmic Approaches for Detection and Demarcation of Interfaces in Hydrate−Fluid and Ice−Fluid Systems. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2008). Three-dimensional simulation of a dust lifting process with varying parameters. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2011). Numerical study on the dynamics of a jet-vortex interaction. (ekstern lenke)
- C.A. Biggs; C. Sanders; A.C. Scott et al. (2003). Coupling granule properties and granulation rates in high-shear granulation. (ekstern lenke)
- Gleb Pisarev; Alex Christian Hoffmann (2012). Effect of the 'end of the vortex' phenomenon on the particle motion and separation in a swirl tube separator. (ekstern lenke)
- Boris V Balakin; Alex Christian Hoffmann; Pawel Jan Kosinski et al. (2010). Eulerian-Eulerian CFD model for the sedimentation of spherical particles in suspensions with high particle concentrations. (ekstern lenke)
- Maryam Ghaffari; Yu-Fen Chang; Boris V Balakin et al. (2012). CFD Modeling of PEPT Results of Particle Motion Trajectories in a Pipe over an Obstacle. (ekstern lenke)
- Diego Rubio; C. Suciu; I. Warnhus et al. (2017). Tape Casting of Lanthanum Chromite for Solid Oxide Fuel Cell Interconnects. (ekstern lenke)
- Hanna-Mari Viktoria Tikkanen; Crina S. Suciu; Ivar Wærnhus et al. (2011). Dip-coating of 8YSZ nanopowder for SOFC applications. (ekstern lenke)
- Boris V Balakin; Alex Christian Hoffmann; Pawel Jan Kosinski (2010). Population Balance Model for Nucleation, Growth, Aggregation, and Breakage of Hydrate Particles in Turbulent Flow. (ekstern lenke)
- Aslak Solvang Hellestø; Maryam Ghaffari; Boris Balakin et al. (2016). A parametric study of cohesive particle agglomeration in a shear flow : numerical simulations by the discrete element method. (ekstern lenke)
- Boris Balakin; Simon Lo; Pawel Jan Kosinski et al. (2016). Modelling agglomeration and deposition of gas hydrates in industrial pipelines with combined CFD-PBM technique. (ekstern lenke)
- Thinh Xuan Ho; Pawel Jan Kosinski; Alex Christian Hoffmann et al. (2007). Numerical Simulation of Electrochemical and Transport Processes in Solid Oxide Fuel Cells. (ekstern lenke)
- Trond Austrheim; Lars H. Gjertsen; Alex Christian Hoffmann (2007). Re-entrainment correlations for demisting cyclones acting at elevated pressures on a range of fluids. (ekstern lenke)
- Gleb Pisarev; Alex Christian Hoffmann; Weiming Peng et al. (2009). Large eddy simulation of the vortex end in reverse-flow centrifugal separators. (ekstern lenke)
- Boris V Balakin; Alex Christian Hoffmann; Pawel Jan Kosinski et al. (2010). Turbulent flow of hydrates in a pipeline of complex configuration. (ekstern lenke)
- Yu-Fen Chang; Gleb Pisarev; Alex Christian Hoffmann (2011). Numerical Study of the "End of the Vortex" Phenomenon in a Hydrocyclone Separator. (ekstern lenke)
Masteroppgave
- Håkon Pedersen; Alex Christian Hoffmann (2008). Formation, Particle Size Distribution and Flow Dependence of Freon (R11) Hydrates in Multiphase Flow Systems. (ekstern lenke)
- Eli Kvinnesland; Alex Christian Hoffmann (2004). Single-phase characterization of the inlet arrangement schoepentoeter. (ekstern lenke)
- Alise Romsloe; Alex Christian Hoffmann (2014). Cyclonic oil-water separator with an overflow system. (ekstern lenke)
- Vegard Eikill; Alex Christian Hoffmann (2010). Characterization of the anode and cathode materials for solid oxide fuel cells (SOFCs). (ekstern lenke)
- Dorthe Christensen; Alex Christian Hoffmann (2004). Single-phase characterization of the new open spinlet arrangement. (ekstern lenke)
- Øystein Lee Aasen; Alex Christian Hoffmann (2010). Experimental investigation of particle trajectory through an hydrocyclone using a Positron Emission Tomography (PET) scanner. (ekstern lenke)
- Dagfinn Mæland; Alex Christian Hoffmann (2008). Sintering and Impedance Spectroscopy Characterisation of Nanoparticle-based Functional Materials for Solid Oxide Fuel Cells. (ekstern lenke)
- Ziya Kilinc; Alex Christian Hoffmann (2008). Formation and Particle Size Distribution of Cyclopentane Hydrates in a Multiphase Flow System. (ekstern lenke)
- Sandra Pletten; Alex Christian Hoffmann (2014). An Experimental and Theoretical Study of Transfer Rates of Phenols from Caustic to Crude Oil. (ekstern lenke)
- Vidar I. Gjerde; Alex Christian Hoffmann (2010). The Natural Vortex Length in Centrifugal Separators. (ekstern lenke)
- Boris V Balakin; A.R. Hellestø; Alex Christian Hoffmann (2014). A study of solid particle agglomeration - particle by particle. (ekstern lenke)
- Dagfinn Mæland; Alex Christian Hoffmann (2008). Sintering and Impedance Spectroscopy Characterisation of Nanoparticle-based Functional Materials for Solid Oxide Fuel Cells. (ekstern lenke)
- Ziya Kilinc; Alex Christian Hoffmann (2008). Formation and Particle Size Distribution of Cyclopentane Hydrates in a Multiphase Flow System. (ekstern lenke)
- Maren A. Dahl; Alex Christian Hoffmann (2010). New experimental techniques to study the adhesion to various solid surfaces of hydrate-relevant droplets and particles. (ekstern lenke)
- Dagfinn Mæland; Alex Christian Hoffmann (2008). Sintering and Impedance Spectroscopy Characterisation of Nanoparticle-based Functional Materials for Solid Oxide Fuel Cells. (ekstern lenke)
- Ziya Kilinc; Alex Christian Hoffmann (2008). Formation and Particle Size Distribution of Cyclopentane Hydrates in a Multiphase Flow System. (ekstern lenke)
- Maren A. Dahl; Alex Christian Hoffmann (2010). New experimental techniques to study the adhesion to various solid surfaces of hydrate-relevant droplets and particles. (ekstern lenke)
Forelesning
- Maryam Ghaffari; Trygve Skjold; Kees van Wingerden et al. (2016). A model validation framework for the dust explosion simulator FLACS-DustEx: Challenges, limitations and possibilities. (ekstern lenke)
- Alex Christian Hoffmann (2009). Fysikkens rolle for energispørgsmål. (ekstern lenke)
- C. S. Suciu; Dagfinn Mæland; Alex Christian Hoffmann et al. (2008). Research in materials for solid oxide fuel cells. (ekstern lenke)
- C. S. Suciu; Hanna-Mari Viktoria Tikkanen; Thinh Xuan Ho et al. (2010). Hydrogenaktiviteter på Universitetet i Bergen. (ekstern lenke)
- Alex Christian Hoffmann (2005). Innen den overskuelige framtid vil verdens energiforbuk mangedoplet, hvilke utfordringer byr det på? Finnes det plausible løsninger?. (ekstern lenke)
- Alex Christian Hoffmann (2005). Energy for the future, wherefrom?. (ekstern lenke)
- Alex Christian Hoffmann (2005). Energy for the future, wherefrom?. (ekstern lenke)
Konferanseforedrag
- Thinh Xuan Ho; Pawel Jan Kosinski; Alex Christian Hoffmann et al. (2008). Numerical study of an SOFC with direct internal reforming using charge diffusion-based model. (ekstern lenke)
- C. Dechsiri; F. van de Wiel; H.G. Dehling et al. (2003). Positron emission tomography applied to fluidization engineering. (ekstern lenke)
- C. S. Suciu; Alex Christian Hoffmann; I Wærnhus (2010). A flexible, cost-effective production method for high-quality nanoparticles. (ekstern lenke)
- Boris V Balakin; Alex Christian Hoffmann; Pawel Jan Kosinski (2009). Computational fluid dynamic model of gas hydrate deposition in a turbulent flow. (ekstern lenke)
- J.C. Bosma; Alex Christian Hoffmann (2002). Feasibility Study of Particle Classification in Fluidized Beds with Internal Baffles. (ekstern lenke)
- Tanja Barth; Shiva Talatori; Kristin Erstad et al. (2008). Hydrates in petroleum production-assessment of plug risk. Project HYPERION enters it s third and final year. (ekstern lenke)
- Yu-Fen Chang; Åshild Skorpen; Alex Christian Hoffmann (2012). Detecting anomalies in the separation process in a hydrocyclone using a medical PET scanner. (ekstern lenke)
- Crina S. Suciu; Dagfinn Mæland; Alex Christian Hoffmann et al. (2008). Priorities in Material Design for Solid Oxide Fuel Cells -With Emphasis on the Anode and the Electrolyte. (ekstern lenke)
- CA Torres; Alex Christian Hoffmann; B Kloss-Quiroga et al. (1999). Towards an European Masters in International: the experience of TropEdEurope since 1996. (ekstern lenke)
- Boris V Balakin; Alex Christian Hoffmann; Pawel Jan Kosinski (2013). Restitution of momentum during interparticle collision affected by liquid bridge. (ekstern lenke)
- Huub W.A. Dries; Alex Christian Hoffmann (2019). Synergy from a University / Industry Partnership Leading to Improved Gas/Particulate-Separators. (ekstern lenke)
- Maryam Ghaffari; Lorenzo Mauri; Trygve Skjold et al. (2017). Improved modelling of particle-laden flow in the CFD simulator FLACS-DustEx. (ekstern lenke)
- Pawel Jan Kosinski; Anna Kosinska; Alex Christian Hoffmann (2006). Fluid-particle flows in a driven cavity. (ekstern lenke)
- Yu-Fen Chang; Boris Balakin; Alex Christian Hoffmann (2023). Advancements in Positron Emission Particle Tracking: Unveiling Complex Flow Patterns in Miniature Multiphase Flow Devices. (ekstern lenke)
- Yu-Fen Chang; Alex Christian Hoffmann; Catalin Grigore Ilea et al. (2010). Particle flow in a hydrocyclone investigated by radioactive particle tracking. (ekstern lenke)
- Crina S. Suciu; Alex Christian Hoffmann; A. Goga et al. (2008). NiO nanoparticles for SOFC anodes. Comparison of two synthesis methods. (ekstern lenke)
- C.A. Biggs; C.F.W. Sanders; A.C. Scott et al. (2001). Coupling granule properties and granulation rates in high-shear granulation. (ekstern lenke)
- Boris Balakin; Tom Christian Holm Adamsen; Yu-Fen Chang et al. (2016). Non-invasive studies of multiphase flow in process equipment. Positron emission particle tracking technique. (ekstern lenke)
- W. Peng; Alex Christian Hoffmann; P.J.A.J. Boot et al. (2001). Determining the best modelling assumptions for cyclones and swirl tubes by CFD and LDA. (ekstern lenke)
- P.C. Wright; Y.T. Makkawi; V. Meeyoo et al. (2002). Observation of Cross-Sectional Non-Uniformity in Fluidized Beds Using Two Different Imaging Techniques. (ekstern lenke)
- Boris Balakin; Aslak Solvang Hellestø; Pawel Jan Kosinski et al. (2021). Multiphase CFD Models of Agglomeration and Deposition in Hydrate Slurries. (ekstern lenke)
- Maryam Ghaffari; Trygve Skjold; Lorenzo Mauri et al. (2018). Turbulence modulation modelling in the CFD simulator FLACS-DustEx. (ekstern lenke)
- Pawel Jan Kosinski; Alex Christian Hoffmann (2011). Particle-particle agglomeration and use of the hard-sphere model. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2006). 3-D Eulerian-Lagrangian Simulation of Dust Lifting. (ekstern lenke)
- Alex Christian Hoffmann; Stamatina Karakitsiou; Bodil Holst (2016). Exact solution for the axial pressure drop in cylindrical isothermal channels with Maxwell slip flow. (ekstern lenke)
- Bjørn Steen Sæthre; Alex Christian Hoffmann; David van der Spoel (2011). Order parameters for detection and demarkation of interfaces in hydrate-fluid and ice-fluid systems. (ekstern lenke)
- Weiming Peng; Siri Jacobsson; Alex Christian Hoffmann (2007). Neutrally buoyant tracer in gas cleaning equipment. A case study. (ekstern lenke)
- Yu-Fen Chang; Tom Christian Adamsen; Alex Christian Hoffmann (2012). Using a PET camera to track individual phases in process equipment with high temporal and spatial resolutions: Algorithm development. (ekstern lenke)
- Yu-Fen Chang; Boris Balakin; Alex Christian Hoffmann (2024). Investigating miniature hydrocyclones for enhanced bioprocessing efficiency. (ekstern lenke)
- Yu-Fen Chang; Gleb Pisarev; Alex Christian Hoffmann (2011). PEPT: an invaluable tool for 3-D particle tracking and CFD simulation verification in hydrocyclone studies. (ekstern lenke)
- C.A. Biggs; C.F.W. Sanders; A.C. Scott et al. (2001). Coupling granule properties and granulation rates in high-shear granulation. (ekstern lenke)
- Alex Christian Hoffmann (2002). Gas Cyclone Separators -- Potential and Limitations. (ekstern lenke)
- Alex Christian Hoffmann (2019). PEPT at the University of Bergen. (ekstern lenke)
- Alex Christian Hoffmann (2005). The physics of cyclones. (ekstern lenke)
- Bjørn Steen Sæthre; Alex Christian Hoffmann (2008). Surface-fluctuations on clathrate hydrate structure I and II slabs in selected environments. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2010). Ordering of monosized particles during simulations of a fluid-solid flow under shear. (ekstern lenke)
- Alex Christian Hoffmann (2003). Brændselcellekursus. (ekstern lenke)
- Alex Christian Hoffmann; Daniel Fonnes; Yu-Fen Chang (2023). Flowpattern in hydrocyclones: numerical simulations with experimental verification. (ekstern lenke)
- Alex Christian Hoffmann (2001). Hvordan levere kompetence til gasindustrien?. (ekstern lenke)
- Pawel Jan Kosinski; Anna Kosinska; Alex Christian Hoffmann (2007). Numerical simulation of particle-flow interactions: formation of agglomerates. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2007). Simulation of a dust lifting process in a two-dimensional domain with rough walls. (ekstern lenke)
- Alex Christian Hoffmann; Yu-Fen Chang (2023). Lagrangian particle tracking in confined, strongly swirling flow in hydrocyclones: comparison of large-eddy simulations with experiment. (ekstern lenke)
- C. Suciu; Alex Christian Hoffmann; E. Dorolti et al. (2010). Properties of 3-15 mol% YSZ materials. (ekstern lenke)
- C. Dechsiri; E. van der Zwan; J.C. Bosma et al. (2002). Positron Emission Tomography (PET) for Fluidization. (ekstern lenke)
- C.A. Biggs; C.F.W. Sanders; A.C. Scott et al. (2001). Coupling granule properties and granulation rates in high-shear granulation. (ekstern lenke)
- Alex Christian Hoffmann (2002). Gas Cyclone Separators -- Potential and Limitations. (ekstern lenke)
- Alex Christian Hoffmann (2019). PEPT at the University of Bergen. (ekstern lenke)
- Alex Christian Hoffmann (2005). The physics of cyclones. (ekstern lenke)
- Bjørn Steen Sæthre; Alex Christian Hoffmann (2008). Surface-fluctuations on clathrate hydrate structure I and II slabs in selected environments. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2010). Ordering of monosized particles during simulations of a fluid-solid flow under shear. (ekstern lenke)
- Alex Christian Hoffmann (2003). Brændselcellekursus. (ekstern lenke)
- Alex Christian Hoffmann; Daniel Fonnes; Yu-Fen Chang (2023). Flowpattern in hydrocyclones: numerical simulations with experimental verification. (ekstern lenke)
- Alex Christian Hoffmann (2001). Hvordan levere kompetence til gasindustrien?. (ekstern lenke)
- Pawel Jan Kosinski; Anna Kosinska; Alex Christian Hoffmann (2007). Numerical simulation of particle-flow interactions: formation of agglomerates. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2007). Simulation of a dust lifting process in a two-dimensional domain with rough walls. (ekstern lenke)
- Alex Christian Hoffmann; Yu-Fen Chang (2023). Lagrangian particle tracking in confined, strongly swirling flow in hydrocyclones: comparison of large-eddy simulations with experiment. (ekstern lenke)
- C. Suciu; Alex Christian Hoffmann; E. Dorolti et al. (2010). Properties of 3-15 mol% YSZ materials. (ekstern lenke)
- C. Dechsiri; E. van der Zwan; J.C. Bosma et al. (2002). Positron Emission Tomography (PET) for Fluidization. (ekstern lenke)
Vitenskapelig bokkapittel
- Crina S. Suciu; E. Dorolti; Alex Christian Hoffmann (2015). Properties of xYSZ nanoparticles and pellets with x varying from 1 to 15%. (ekstern lenke)
- Stamatina Karakitsiou; Sabrina Daniela Eder; Bodil Holst et al. (2015). Design, development and testing of apparatus to study gas diffusion in nanochannels. (ekstern lenke)
- Alex Christian Hoffmann (2011). Stochastic Modeling Techniques in Powder Technology. (ekstern lenke)
- Alex Christian Hoffmann (2011). Stochastic Modeling Techniques in Powder Technology. (ekstern lenke)
Konferanseposter
- Dagfinn Mæland; Crina S. Suciu; Ivar Wærnhus et al. (2008). Sintering properties of 4YSZ nanoparticles and ionic impedance of the resulting materials. (ekstern lenke)
- Pawel Jan Kosinski; Alex Christian Hoffmann; R. Klemens (2004). Dust lifting modelling using the Eulerian and Lagrangian approaches. (ekstern lenke)
- Pawel Jan Kosinski; Boris V Balakin; Prachi Middha et al. (2013). Heat conduction between colliding particles. (ekstern lenke)
- Maryam Ghaffari; Alex Christian Hoffmann; Trygve Skjold et al. (2019). A review of the effect of particle size and particle concentratyion on burning velocity calculation in FLACS-DustEx: a simplified approach. (ekstern lenke)
- Erik Johannes Wensink; Alex Christian Hoffmann; P.J. Maaren et al. (2004). Extensive simulation studies of alcohol in water. (ekstern lenke)
- Prachi Middha; Boris V Balakin; Alex Christian Hoffmann et al. (2013). PEPT investigation of pneumatic conveying through a bend. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2006). Numerical simulation of dust lifting behind shock waves in a three-dimensional computational domain. (ekstern lenke)
- C. Suciu; A. Vik; Alex Christian Hoffmann (2007). Nanoparticles for solid oxide fuel cell anodes. (ekstern lenke)
- Svein-Arne Marthinussen; Yu-Fen Chang; Boris V Balakin et al. (2013). Hydrocyclones working on highly viscous liquids. (ekstern lenke)
- C. Suciu; Alex Christian Hoffmann; A. Vik et al. (2008). Optimizing sol-gel produced NiO nanopowder as precursor for SOFC anodes. (ekstern lenke)
- Thinh Xuan Ho; Pawel Jan Kosinski; Alex Christian Hoffmann et al. (2008). Numerical study of a solid oxide fuel cell with direct internal methane reforming. (ekstern lenke)
- diego rubio; Crina S. Suciu; Ivar waernhus et al. (2016). Tape Casting of Lanthanum Chromite. (ekstern lenke)
- Prachi Middha; Boris V Balakin; Alex Christian Hoffmann et al. (2013). PEPT investigation of pneumatic conveying through a bend. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2006). Numerical simulation of dust lifting behind shock waves in a three-dimensional computational domain. (ekstern lenke)
- Maxim Lunev; Alex Christian Hoffmann; Sumihar Silalahi (2007). Solid Oxide Fuel Cell Com- ponents Studied by Molecular Dynamics. (ekstern lenke)
- Prachi Middha; Boris V Balakin; Alex Christian Hoffmann et al. (2013). PEPT investigation of pneumatic conveying through a bend. (ekstern lenke)
- Catalin Grigore Ilea; Pawel Jan Kosinski; Alex Christian Hoffmann (2006). Numerical simulation of dust lifting behind shock waves in a three-dimensional computational domain. (ekstern lenke)
- Maxim Lunev; Alex Christian Hoffmann; Sumihar Silalahi (2007). Solid Oxide Fuel Cell Com- ponents Studied by Molecular Dynamics. (ekstern lenke)
Vitenskapelig monografi
- Alex Christian Hoffmann; Louis E. Stein (2002). Cyclones and Swirl Tubes, Principles, Design and Operation. (ekstern lenke)
- Alex Christian Hoffmann; Louis E. Stein (2007). Gas cyclones and swirl tubes: principles, design and operation. (ekstern lenke)
- Herold G. Dehling; Timo Gottschalk; Alex Christian Hoffmann (2007). Stochastic modelling in process technology. (ekstern lenke)
Fremhevet artikkel i media
Doktorgradsavhandling
- Yu-Fen Chang; Alex Christian Hoffmann (2016). Study of the flow in a hydrocyclone using positron emission particle tracking and computational fluid dynamics simulation. (ekstern lenke)
- Catalin Grigore Ilea; Alex Christian Hoffmann (2008). Numerical Simulations of Dust Lifting. (ekstern lenke)
- Boris V Balakin; Pawel Jan Kosinski; Alex Christian Hoffmann (2010). Experimental and theoretical study of the flow, aggregation and. (ekstern lenke)
- Erik Johannes Wensink; Alex Christian Hoffmann (2005). Molecular Simulations of Complex Liquids and Confined Systems. (ekstern lenke)
- Boris V Balakin; Pawel Jan Kosinski; Alex Christian Hoffmann (2010). Experimental and theoretical study of the flow, aggregation and. (ekstern lenke)
- Bjørn Steen Sæthre; Alex Christian Hoffmann; David van der Spoel (2015). Interfacial free energies in gas-hydrate/fluid interfaces. (ekstern lenke)
- Crina Silvia Ilea; Alex Christian Hoffmann (2007). New Materials for Solid Oxide Fuel Cells Based on Nanoparticles. (ekstern lenke)
- Trond Austrheim; Alex Christian Hoffmann (2006). Experimental Characterization of High-Pressure Natural Gas Scrubbers. (ekstern lenke)
- Boris V Balakin; Pawel Jan Kosinski; Alex Christian Hoffmann (2010). Experimental and theoretical study of the flow, aggregation and. (ekstern lenke)
- Bjørn Steen Sæthre; Alex Christian Hoffmann; David van der Spoel (2015). Interfacial free energies in gas-hydrate/fluid interfaces. (ekstern lenke)
- Crina Silvia Ilea; Alex Christian Hoffmann (2007). New Materials for Solid Oxide Fuel Cells Based on Nanoparticles. (ekstern lenke)
- Trond Austrheim; Alex Christian Hoffmann (2006). Experimental Characterization of High-Pressure Natural Gas Scrubbers. (ekstern lenke)
Rettelse i tidsskrift
Leserbrev
Forskningsrapport
- P. A. Amundsen; Alex Christian Hoffmann; G. Olsson (2009). Søknad om akkreditering av Doktorgrad i prosess,-energi- og automatiseringsteknikk ved Høgskolen i Telemark: Rapport fra sakkyndig komie. (ekstern lenke)
- P. A. Amundsen; Alex Christian Hoffmann; G. Olsson (2009). Søknad om akkreditering av Doktorgrad i prosess,-energi- og automatiseringsteknikk ved Høgskolen i Telemark: Rapport fra sakkyndig komie. (ekstern lenke)