Publikationer
2013Farzaneh, Meisam; Sasic, Srdjan; Almstedt, Alf-Erik; Johnsson, Filip; Pallares, David: A Study of Fuel Particle Movement in Fluidized Beds. Industrial & Engineering Chemistry Research, 52 (16) pp. 5791–5805.
Farzaneh, Meisam; Almstedt, Alf-Erik; Johnsson, Filip; Pallares, David; Sasic, Srdjan: Eulerian-Eulerian-Lagrangian Simulation of Fuel Mixing in Fluidized beds. 8th International Conference on Multiphase Flow ICMF 2013, Jeju, Korea, May 26 - 31, 2013,
Farzaneh, Meisam; Almstedt, Alf-Erik; Johnsson, Filip; Pallares, David; Sasic, Srdjan: Simulation of Fuel Mixing in Fluidized Beds using a Combined Tracking Technique. Fluidization XIV, 2013, Noordwijkerhout, The Netherlands,
2011Farzaneh, Meisam; Sasic, Srdjan; Almstedt, Alf-Erik; Johnsson, Filip; Pallares, David: A novel multigrid technique for lagrangian modeling of fuel mixing in fluidized beds. Chemical Engineering Science, 66 (22) pp. 5628-5637.
2010Farzaneh, Meisam; Sasic, Srdjan; Almstedt, Alf-Erik: A Novel Multigrid Approach for Lagrangian Modeling of Fuel Mixing in Fluidized Beds. Proceedings of the International Conference on Multiphase Flow, Tampa, 2010,
Sasic, Srdjan; Almstedt, Alf-Erik: Dynamics of fibres in a turbulent flow field – A particle-level simulation technique. International journal of Heat and Fluid Flow, 31 (6) pp. 1058-1064.
2009Sasic, Srdjan; Almstedt, Alf-Erik: Dynamics of fibres in a turbulent flow field - a novel particle-level simulation technique. 14th International Conference on Modelling Fluid Flow, CMFF 09 Budapest,
2008Sasic, Srdjan; van Wachem, Berend; Almstedt, Alf-Erik; Oliveira, Jose: Individual fibre in an arbitrary flow field - true direct numerical simulation (DNS) using an implicit immersed boundary method . 11th International Conference on Multiphase Flow in Industrial Plants,
2007Hemph, Rasmus; Svensson, Joakim; van Wachem, Berend; Almstedt, Alf-Erik: Discrete element simulations and experimental validation of particle packing in a 5 mm chromatography column.. Sixth International Conference on Multiphase Flows, Leipzig,
2006Hemph, Rasmus; van Wachem, Berend; Almstedt, Alf-Erik: DEM Modeling of Hopper Flows: Comparison and Validation of Models and Parameters. AIChE, Proc. Fifth World Congress on Particle Technology, Orlando, Florida,
Johansson, Klas; van Wachem, Berend; Almstedt, Alf-Erik: Experimental validation of CFD models for fluidized beds: Influence of particle stress models, gas phase compressibility and air inflow models . Chemical Engineering Science, 61 (5) pp. 1705-1717.
2005Magnusson, Anna; Rundqvist, Robert; Almstedt, Alf-Erik; Johnsson, Filip: Dual fibre optical probe measurements of solids volume fraction in a circulating fluidized bed . Powder Technology , 151 (1-3) pp. 19-26.
2004Johansson, Kent; Norling, Rikard; Hjörnhede, Anders; Almstedt, Alf-Erik; Johnsson, Filip; Nylund, Anders: Hydrodynamics and steel tube wastage in a fluidized bed at elevated temperature. Chemical Engineering Science, 59 pp. 31-40.
Johansson, Klas; van Wachem, Berend; Almstedt, Alf-Erik: Comparison of CFD models for fluidized beds - particle models, solvers and experimental validation. Proceedings of the 3d international symposium of two-phase flow modelling and experimentation, Pisa, Italy,
2003Johansson, Bert; Ljus, Camilla; Almstedt, Alf-Erik: Application of wedge-shaped hot-film probes in a gas-particle flow . Experimental Thermal and Fluid Science, 27 (2) pp. 187-191.
Rundqvist, Robert; Magnusson, Anna; van Wachem, Berend; Almstedt, Alf-Erik: Dual optical fibre measurements of the particle concentration in gas/solid flows . Experiments in Fluids, 35 pp. 572-579.
van Wachem, Berend; Almstedt, Alf-Erik: Methods for multiphase computational fluid dynamics . Chemical Engineering Journal, 96 (1-3) pp. 81-98.
2002Ljus, Camilla; Johansson, Bert; Almstedt, Alf-Erik: Turbulence modification by particles in a horizontal pipe flow . International Journal of Multiphase Flow, 28 (7) pp. 1075-1090.
Magnusson, Anna; van Wachem, Berend; Almstedt, Alf-Erik: The hydrodynamics of a 3D wurster type fluidized bed.. AIChE Annual Meeting, Indianapolis,
2001Johansson, Klas; Magnusson, Anna; Rundqvist, Robert; Almstedt, Alf-Erik: Study of two gas-particle flows using Eulerian/Eulerian two-fluid models.. Fourth International Conference on Multiphase Flows, New Orleans,
2000Gustavsson, Mattias; Almstedt, Alf-Erik: Numerical simulation of fluid dynamics in fluidized beds with horizontal heat exchanger tubes. Chemical Engineering Science, 55 (4) pp. 857-866.
Gustavsson, Mattias; Almstedt, Alf-Erik: Two-fluid modelling of cooling-tube erosion in a fluidized bed . Chemical Engineering Science, 55 (4) pp. 867-879.
Ljus, Camilla; Johansson, Bert; Almstedt, Alf-Erik: Frequency response correction of hot-film measurements in a turbulent airflow. Experiments in Fluids, 29 pp. 36-41.
1999Enwald, H.; Peirano, E.; Almstedt, Alf-Erik; Leckner, Bo: Simulation of the fluid dynamics of a bubbling fluidized bed. Experimental validation of the two-fluid model and evaluation of a parallel multiblock solver. Chemical Engineering Science, 54 (3) pp. 311-328.
Enwald, Hans; Almstedt, Alf-Erik: Fluid dynamics of a pressurized fluidized bed: comparison between numerical solutions from two-fluid models and experimental results . Chemical Engineering Science, 54 (3) pp. 329-342.
Ljus, Camilla; Almstedt, Alf-Erik: Eulerian modelling of pulp-fibre transport in airflow. Proc. 2nd Int. Symp. on Two-Phase Flow Modelling and Experimentation, Pisa , pp. 1553-1560.
1998Wiman, Jan; Almstedt, Alf-Erik: Influence of pressure, fluidization velocity and particle size on the hydrodynamics of a freely bubbling fluidized bed. Chemical Engineering Science, 53 (12) pp. 2167-2176.
1997Wiman, Jan; Almstedt, Alf-Erik: Hydrodynamics, erosion and heat transfer in a pressurized fluidized bed: influence of pressure, fluidization velocity, particle size and tube bank geometry . Chemical Engineering Science, 52 (16) pp. 2677-2695.
1996Enwald, Hans; Peirano, Eric; Almstedt, Alf-Erik: Eulerian two-phase flow theory applied to fluidization . International Journal of Multiphase Flow, 22 (Suppl. 1) pp. 21-66.
1995Löfstrand, Hans; Almstedt, Alf-Erik; Andersson, Sven: Dimensionless expansion model for bubbling fluidized beds with and without internal heat exchanger tubes . Chemical Engineering Science, 50 pp. 245-253.
Olsson, Elisabet; Wiman, Jan; Almstedt, Alf-Erik: Hydrodynamics of a pressurized fluidized bed with horizontal tubes: Influence of pressure, fluidization velocity and tube-bank geometry . Chemical Engineering Science, 50 (4) pp. 581-592.
Olsson, Elisabet; Almstedt, Alf-Erik: Local instantaneous and time-averaged heat transfer in a pressurized fluidized bed with horizontal tubes: Influence of pressure, fluidization velocity and tube-bank geometry . Chemical Engineering Science, 50 (20) pp. 3231-3245.
Wiman, Jan; Mahpour, Bahram; Almstedt, Alf-Erik: Erosion of horizontal tubes in a pressurized fluidized bed — Influence of pressure, fluidization velocity and tube-bank geometry . Chemical Engineering Science, 50 (21) pp. 3345-3356.
1993Ackeskog, Hans; Almstedt, Alf-Erik; Zakkay, Victor: An investigation of fluidized-bed scaling: heat transfer measurements in a pressurized fluidized-bed combustor and a cold model bed . Chemical Engineering Science, 48 (8) pp. 1459-1473.
1992Olowson, Per; Almstedt, Alf-Erik: Hydrodynamics of a bubbling fluidized bed: influence of pressure and fluidization velocity in terms of drag force . Chemical Engineering Science, 47 (2) pp. 357-366.
1991Olowson, Per; Almstedt, Alf-Erik: Influence of pressure on the minimum fluidization velocity . Chemical Engineering Science, 46 (2) pp. 637-640.
1990Almstedt, Alf-Erik; Zakkay, Victor: An investigation of fluidized-bed scaling—capacitance probe measurements in a pressurized fluidized-bed combustor and a cold model bed . Chemical Engineering Science, 45 (4) pp. 1071-1078.
Olowson, Per; Almstedt, Alf-Erik: Influence of pressure and fluidization velocity on the bubble behaviour and gas flow distribution in a fluidized bed . Chemical Engineering Science, 45 (7) pp. 1733-1741.
1987Almstedt, Alf-Erik: Distribution of the gas flow in fluidized beds with a slugging behaviour . Chemical Engineering Science, 42 (3) pp. 581-590.
Almstedt, Alf-Erik; Ljungström, Evert: Measurements of the bubble behaviour and the oxygen distribution in a pilot scale pressurized fluidized bed burning coal. ASME, Proc. 9th Int. Conf. on Fluidized Bed Combustion, Boston, 1 pp. 575-585.
1985Almstedt, Alf-Erik: Measurements of bubble behaviour in a pressurized fluidized bed burning coal, using capacitance probes - Part II. DOE, Proc.8th Int. Conf. on Fluidized Bed Combustion, Houston, 2 pp. 865-877.
1982Almstedt, Alf-Erik; Olsson, Erik: Measurements of bubble behaviour in a pressurized fluidized bed burning coal, using capacitance probes. DOE, Proc. 7th Int. Conf. on Fluidized Bed Combustion, Philadelphia, 1 pp. 89-98.