David Pallarès
Associate Professor at
Energy Technology
David Pallarès focuses his research in fluidization and aims at developing knowledge and tools for the design, scale-up and performance of established and novel fluidized-bed processes. His work pays special attention to the use of non-fossil fuels such as biomass and renewable waste. He has developed a 3D finite-volume model for CFB processes (Circulating fluidized bed) together with an industrial partner. The model serves as both knowledge repository and tool to identify key knowledge gaps to be investigated experimentally. Experimental work is a central part of his research activities, as it is used for the development of the modeling (through dedicated experiments) and its validation.David Pallarès is since 2018 vice-Head of Department for doctoral studies.
Source: chalmers.se
Showing 87 publications
2020
A novel experimental method for determining lateral mixing of solids in fluidized beds – Quantification of the splash-zone contribution
Guillermo Martinez Castilla, Louise Lundberg, Anton Larsson et al
Powder Technology. Vol. 370, p. 96-103
Journal article
2019
Increasing gas-solids mass transfer in fluidized beds by application of confined fluidization-A feasibility study
Jesper Aronsson, David Pallarès, Magnus Rydén et al
Applied Sciences (Switzerland). Vol. 9 (4)
Journal article
2019
Effects of the Choice of Gas on the Hydrodynamics of Fluidized Beds
Jesper Aronsson, Anders Lyngfelt, David Pallarès
Industrial & Engineering Chemistry Research. Vol. 58 (20), p. 8847-8855
Journal article
2019
Impacts of Bed Material Activation and Fuel Moisture Content on the Gasification Rate of Biomass Char in a Fluidized Bed
Louise Lundberg, Placid A. Tchoffor, David Pallarès et al
Industrial & Engineering Chemistry Research. Vol. 58 (12), p. 4802-4809
Journal article
2018
Upscaling Effects on Char Conversion in Dual Fluidized Bed Gasification
Louise Lundberg, David Pallarès, Henrik Thunman
Energy & Fuels. Vol. 32 (5), p. 5933-5943
Journal article
2018
Advanced biofuel production via gasification – lessons learned from 200 man-years of research activity with Chalmers’ research gasifier and the GoBiGas demonstration plant.
Henrik Thunman, Martin Seemann, Teresa Berdugo Vilches et al
Energy Science and Engineering. Vol. 6 (1), p. 6-34
Journal article
2018
Bottom-bed fluid dynamics – Influence on solids entrainment
Tove Djerf, David Pallarès, Filip Johnsson
Fuel Processing Technology. Vol. 173, p. 112-118
Journal article
2018
Determination of the Apparent Viscosity of Dense Gas-Solids Emulsion by Magnetic Particle Tracking
Anna Köhler, David Pallarès, Filip Johnsson
Conference contribution
2017
Solids circulation in circulating fluidized beds with low riser aspect ratio and varying total solids inventory
Tove Djerf, X. M. Liu, David Pallarès et al
Powder Technology. Vol. 316, p. 670-676
Journal article
2017
Modelling axial mixing of char - application to the dense bottom bed in CFB boilers
Anna Köhler, David Pallarès, Filip Johnsson
12th International Conference of Fluidized bed Technology, 23-26 May, 2017, p. 397-404
Paper in proceedings
2017
Bottom-bed fluid dynamics - Influence on solids entrainment
Tove Djerf, David Pallarès, Filip Johnsson
12th International Conference on Fluidized Bed Technology, CFB 2017. Vol. 2017, p. 183-190
Paper in proceedings
2017
A conversion-class model for describing fuel conversion in large-scale fluidized bed units
Louise Lundberg, Robert Johansson, David Pallarès et al
Fuel. Vol. 197, p. 42-50
Journal article
2017
Modeling and scale analysis of gaseous fuel reactors in chemical looping combustion systems
Jesper Aronsson, David Pallarès, Anders Lyngfelt
Particuology, p. 31-41
Journal article
2017
Magnetic tracking of a fuel particle in a fluid-dynamically down-scaled fluidised bed
Anna Köhler, David Pallarès, Filip Johnsson
Fuel Processing Technology. Vol. 162, p. 147-156
Journal article
2017
Oxy-fuel conversion of sub-bituminous coal particles in fluidized bed and pulverized combustors
Changshen Bu, Alberto Gómez-Barea, Bo G Leckner et al
Proceedings of the Combustion Institute. Vol. 36 (3), p. 3331-3339
Journal article
2017
Control of the solids retention time by multi-staging a fluidized bed reactor
Ke Zhao, Henrik Thunman, David Pallarès et al
Fuel Processing Technology. Vol. 167, p. 171-182
Journal article
2017
The role of fuel mixing on char conversion in a fluidized bed
Louise Lundberg, Antonio Soria-Verdugo, David Pallarès et al
Powder Technology. Vol. 316, p. 677-686
Journal article
2017
Experimental characterization of axial fuel mixing in fluidized beds by magnetic particle tracking
Anna Köhler, Alexander Rasch, David Pallarès et al
Powder Technology. Vol. 316 (SI), p. 492-499
Journal article
2016
Influence of Surrounding Conditions and Fuel Size on the Gasification Rate of Biomass Char in a Fluidized Bed
Louise Lundberg, Placid Tchoffor Atongka, David Pallarès et al
Fuel Processing Technology. Vol. 144, p. 323-333
Journal article
2016
The role of fuel mixing on char conversion in a fluidized bed
Louise Lundberg, Antonio Soria-Verdugo, David Pallarès et al
Fluidization XV
Conference contribution
2016
Effect of CO2 on oxy-fuel combustion of coal-char particles in a fluidized bed: Modeling and comparison with the conventional mode of combustion
C. S. Bu, A. Gomez-Barea, X. P. Chen et al
Applied Energy. Vol. 177, p. 247-259
Journal article
2016
Measuring fuel mixing under industrial fluidized-bed conditions – A camera-probe based fuel tracking system
Erik Sette, Teresa Berdugo Vilches, David Pallarès et al
Applied Energy. Vol. 163, p. 304-312
Journal article
2016
3-Dimensional Particle Tracking in a Fluid Dynamically Downscaled Fluidized Bed Using Magnetoresistive Sensors
Erik Sette, Anna Köhler, David Pallarès et al
Clean Coal Technology and Sustainable Development. Proceedings of the 8th International Symposium on Coal Combustion (ISCC). Tsinghua Univ, Beijing, Peoples rep of China, 19-22 July, 2015, p. 317-322
Paper in proceedings
2016
Experimental characterization of axial fuel mixing in fluidized beds by magnetic particle tracking
Anna Köhler, Alexander Rasch, David Pallarès et al
Conference contribution
2016
Oxy-fuel combustion of a single fuel particle in a fluidized bed: Char combustion characteristics, an experimental study
C. S. Bu, David Pallarès, X. P. Chen et al
Chemical Engineering Journal. Vol. 287, p. 649-656
Journal article
2016
Solids circulation in circulating fluidized beds with low riser aspect ratio and varying total solids inventory
Tove Djerf, Xuemin Liu, David Pallarès et al
Fluidization XV (2016), Quebec, Canada
Conference contribution
2015
Heat extraction from a utility-scale oxy-fuel-fired CFB boiler
Sadegh Seddighi, David Pallarès, Fredrik Normann et al
Chemical Engineering Sciences. Vol. 130, p. 144-150
Journal article
2015
Determination of Kinetic Parameters for the Gasification of Biomass Char Using a Bubbling Fluidised Bed Reactor
Louise Lundberg, Placid Tchoffor Atongka, Robert Johansson et al
Proceedings of the 22nd International Conference on Fluidized Bed Conversion, p. 456-464
Paper in proceedings
2015
Time-resolved modeling of gas mixing in fluidized bed units
David Pallarès, Filip Johnsson
Fuel Processing Technology. Vol. 134, p. 73-84
Journal article
2015
3-dimensional magnetic particle tracking in a fluid-dynamically downscaled bubbling fluidized bed
David Pallarès, Erik Sette, Filip Johnsson et al
22nd International Conference on Fluidized Bed Conversion. Vol. 2, p. 689-697
Paper in proceedings
2015
3-dimensional particle tracking in a fluid-dynamically downscaled fluidized bed using magneto resistive sensors
Erik Sette, Anna Köhler, David Pallarès et al
The 8th International Symposium on Coal Combustion
Conference contribution
2015
The crucial role of frictional stress models for simulation of bubbling fluidized beds
Meisam Farzaneh, Alf-Erik Almstedt, Filip Johnsson et al
Powder Technology. Vol. 270 (Part A), p. 68-82
Journal article
2015
Devolatilization of a single fuel particle in a fluidized bed under oxy-combustion conditions. Part B: Modeling and comparison with measurements
Changsheng Bu, Bo G Leckner, X. P. Chen et al
Combustion and Flame. Vol. 162 (3), p. 809-818
Journal article
2015
Magnetic tracer-particle tracking in a fluid dynamically down-scaled bubbling fluidized bed
Erik Sette, David Pallarès, Filip Johnsson et al
Fuel Processing Technology. Vol. 138, p. 368-377
Journal article
2015
Camera-probe fuel tracking under industrial fluidized-bed conditions
Erik Sette, David Pallarès, Filip Johnsson
22nd International Conference on Fluidized Bed Conversion. Vol. 2, p. 708-715
Paper in proceedings
2015
Influence of bulk solids cross-flow on lateral mixing of fuel in dual fluidized beds
Erik Sette, David Pallarès, Filip Johnsson
Fuel Processing Technology. Vol. 140, p. 245-251
Journal article
2015
Heat transfer in a 4 MWth circulating fluidized bed furnace operated under oxy-fired and air-fired conditions: modeling and measurements
Sadegh Seddighi, David Pallarès, Fredrik Normann et al
International Journal of Greenhouse Gas Control. Vol. 37, p. 267-273
Journal article
2015
Devolatilization of a single fuel particle in a fluidized bed under oxy-combustion conditions. Part A: Experimental results
Changsheng Bu, Bo G Leckner, X. P. Chen et al
Combustion and Flame. Vol. 162 (3), p. 797-808
Journal article
2014
Easurement of solids velocity and concentration in a large cold CFB model
J. Peltola, L. Karvonen, J. Elfvengren et al
11th International Conference on Fluidized Bed Technology, CFB 2014; Beijing; China; 14 May 2014 through 17 May 2014, p. 589-594
Paper in proceedings
2014
Heat transfer in the external heat exchanger of oxy-fuel fluidized bed boilers
Irene Bolea, Luis M. Romeo, David Pallarès
Applied Thermal Engineering. Vol. 66 (1-2), p. 75-83
Journal article
2014
The influence of operating conditions and fuel-feed location on fuel residence time in an indirect gasifier
Erik Sette, David Pallarès, Filip Johnsson
11th International Conference on Fluidized Bed Technology, CFB 2014; Beijing; China; 14 May 2014 through 17 May 2014
Conference poster
2014
The influence of operating conditions and fuel-feed location on fuel residence time in an indirect gasifer
Erik Sette, David Pallarès, Filip Johnsson
11th International Conference on Fluidized Bed Technology, CFB 2014; Beijing; China; 14 May 2014 through 17 May 2014, p. 809-814
Paper in proceedings
2014
Ignition behavior of single coal particle in a fluidized bed under O-2/CO2 and O-2/N-2 atmospheres: A combination of visual image and particle temperature
C. S. Bu, D. Y. Liu, X. P. Chen et al
Applied Energy. Vol. 115, p. 301-308
Journal article
2014
Experimental evaluation of lateral mixing of bulk solids in a fluid-dynamically down-scaled bubbling fluidized bed
Erik Sette, David Pallarès, Filip Johnsson
Powder Technology. Vol. 263, p. 74-80
Journal article
2014
Experimental quantification of lateral mixing of fuels in fluid-dynamically down-scaled bubbling fluidized beds
Erik Sette, David Pallarès, Filip Johnsson
Applied Energy. Vol. 136, p. 671-681
Journal article
2014
Experimental evaluation of the lateral mixing of fuel in a fluidized bed with cross-flow of solids - influence of tube banks
Jens Olsson, Joakim Larsson, Erik Sette et al
11th International Conference on Fluidized Bed Technology, CFB 2014; Beijing; China; 14 May 2014 through 17 May 2014, p. 119-124
Paper in proceedings
2014
Examination of chemical-looping combustion of gaseous fuels by 1-dimensional modeling and experiments
Jesper Aronsson, David Pallarès, Anders Lyngfelt
11th International Conference on Fluidized Bed Technology, CFB 2014; Beijing; China; 14 May 2014 through 17 May 2014, p. 673-678
Paper in proceedings
2014
A 1-dimensional model of indirect biomass gasification in a dual fluidised bed system
Louise Lundberg, David Pallarès, Robert Johansson et al
11th International Conference on Fluidized Bed Technology, CFB 2014; Beijing; China; 14 May 2014 through 17 May 2014, p. 607-612
Paper in proceedings
2013
Fluidized bed technologies for near-zero emission combustion and gasification
David Pallarès, Filip Johnsson
Woodhead Publishing Ltd. Eds., p. 690-
Book chapter
2013
Solids back-mixing in CFB-furnaces
Filip Johnsson, David Pallarès
Proc. of the 14th Int. Conf. on Fluidization (Noordwijkerhout, Netherlands)
Paper in proceedings
2013
Simulation of Fuel Mixing in Fluidized Beds using a Combined Tracking Technique
Meisam Farzaneh, Alf-Erik Almstedt, Filip Johnsson et al
Fluidization XIV, 2013, Noordwijkerhout, The Netherlands
Paper in proceedings
2013
Progress of Combustion in an Oxy-fuel Circulating Fluidized-Bed Furnace: Measurements and Modeling in a 4 MWth Boiler
Sadegh Seddighi, David Pallarès, Fredrik Normann et al
Energy & Fuels. Vol. 27 (10), p. 6222-6230
Journal article
2013
Eulerian-Eulerian-Lagrangian Simulation of Fuel Mixing in Fluidized beds
Meisam Farzaneh, Alf-Erik Almstedt, Filip Johnsson et al
8th International Conference on Multiphase Flow ICMF 2013, Jeju, Korea, May 26 - 31, 2013
Paper in proceedings
2013
Analysis of lateral fuel mixing in a fluid-dynamically down-scaled bubbling fluidized bed
Erik Sette, Sonia Aimé, David Pallarès et al
Fluidization XIV
Conference poster
2013
A Study of Fuel Particle Movement in Fluidized Beds
Meisam Farzaneh, Srdjan Sasic, Alf-Erik Almstedt et al
Industrial & Engineering Chemistry Research. Vol. 52 (16), p. 5791-5805
Journal article
2013
Carbon Monoxide Formation during Oxy-fuel-Fired Fluidized-Bed Combustion
Sadegh Seddighi, David Pallarès, Fredrik Normann et al
Energy & Fuels. Vol. 27 (4), p. 2275−2282-
Journal article
2013
Modeling of fluidized bed combustion processes
David Pallarès, Filip Johnsson
Fluidized Bed Technologies for Near-Zero Emission Combustion and Gasification, p. 524-578
Book chapter
2013
Conversion of large coal particles under O2/N2 and O2/CO2 atmospheres - Experiments and modeling
I. Guedea, David Pallarès, L. I. Diez et al
Fuel Processing Technology. Vol. 112, p. 118-128
Journal article
2013
ANALYSIS OF LATERAL FUEL MIXING IN A FLUIDDYNAMICALLY DOWN-SCALED BUBBLING FLUIDIZED BED
Erik Sette, Sonia Aimé, David Pallarès et al
Fluidization XIV Conference
Paper in proceedings
2012
Modeling of the heat transfer in large-scale fluidized bed furnaces
David Pallarès, Marko Palonen, Ville Ylä-Outinen et al
21st International Conference on Fluidized Bed Combustion, Naples (Italy)
Paper in proceedings
2012
Quantitative evaluation of inert solids mixing in a bubbling fluidized bed
Erik Sette, Alberto Gómez García, David Pallarès et al
21st International Conference on Fluidized Bed Combustion
Paper in proceedings
2012
The role of external heat exchangers in oxy-fuel circulating fluidized bed
Irene Bolea, Luis M. Romeo, David Pallarès
Applied Energy. Vol. 94, p. 215-223
Journal article
2012
Lateral fuel dispersion in a large-scale bubbling fluidized bed
Johanna Olsson, David Pallarès, Filip Johnsson
Chemical Engineering Sciences. Vol. 74, p. 148-159
Journal article
2011
Assessment of Oxyfuel Circulating Fluidized Bed Boilers – Modeling and Experiments in a 5 MW Pilot Plant
Sadegh Seddighi, David Pallarès, Filip Johnsson et al
2nd International Oxyfuel Combustion Conference, International Energy Agency Greenhouse Gas R&D Programme
Paper in proceedings
2011
Circulating fluidized bed combustion – build-up and validation of a three-dimensional model
Marko Palonen, David Pallarès, Ville Ylä-Outinen et al
Proc. of the 10th Int. Conf. on Circulating Fluidized Beds (Oregon, USA)
Paper in proceedings
2011
A novel multigrid technique for lagrangian modeling of fuel mixing in fluidized beds
Meisam Farzaneh, Srdjan Sasic, Alf-Erik Almstedt et al
Chemical Engineering Sciences. Vol. 66 (22), p. 5628-5637
Journal article
2011
Assessment of the Scale-Up and Operational Design of the Fuel Reactor in Chemical Looping Combustion
Gerhard Schöny, David Pallarès, Henrik Leion et al
Proceedings of the 36th International Technical Conference on Clean Coal and Fuel Systems
Conference contribution
2010
Zero-dimensional modeling of indirect fluidized bed gasification
Anton Larsson, David Pallarès, D. Neves et al
13th International Conference on Fluidization
Paper in proceedings
2010
One-dimensional modeling of oxy-fuel fluidized bed combustion for CO2 capture
Sadegh Seddighi, David Pallarès, Filip Johnsson
13th Int. Conf. on Fluidization
Paper in proceedings
2010
Digital image analysis of bubble flow – influence of operational parameters
Johanna Olsson, David Pallarès, Filip Johnsson
13th Int. Conf. on Fluidization
Paper in proceedings
2010
Modeling of the solids inventory in a CFB boiler
David Pallarès, Filip Johnsson, Marko Palonen
13th Int. Conf. on Fluidization
Paper in proceedings
2010
Voidage distribution around bubbles in a fluidized bed
J. A. Almendros-Ibáñez, David Pallarès, Filip Johnsson et al
Powder Technology. Vol. 197 (1), p. 73-82
Journal article
2010
A novel multigrid approach for Lagrangian modeling of fuel mixing in fluidized beds
Meisam Farzaneh, Srdjan Sasic, Alf-Erik Almstedt et al
Proc. of IMFC2010, International Conference on Multiphase Flow (Tampa, USA)
Paper in proceedings
2009
Novel approach to characterize fluidized bed dynamics combining particle image velocimetry and finite element method
J. A. Almendros-Ibáñez, David Pallarès, Filip Johnsson et al
Industrial & Engineering Chemistry Research. Vol. 48 (10), p. 5010-5023
Journal article
2009
Dynamical modeling of the gas phase in fluidized bed combustion - accounting for fluctuations
David Pallarès, Filip Johnsson
20th International Conference on Fluidized Bed Combustion; Xian; China; 18 May 2009 through 21 May 2009, p. 845-850
Paper in proceedings
2008
A comprehensive model of CFB combustion
David Pallarès, Filip Johnsson, Marko Palonen
9th International Conference on Circulating Fluidized Beds, CFB 2008, in Conjunction with the 4th International VGB Workshop on Operating Experience with Fluidized Bed Firing Systems; Hamburg; Germany; 13 May 2008 through 16 May 2008
Paper in proceedings
2008
Modeling of fuel mixing in fluidized bed combustors
David Pallarès, Filip Johnsson
Chemical Engineering Sciences. Vol. 63 (23), p. 5663-5671
Journal article
2007
Experimental analysis of fuel mixing patterns in a fluidized bed
David Pallarès, Pedro Diez, Filip Johnsson
Proceedings of the 12th International Conference on Fluidization
Paper in proceedings
2007
Modeling fuel mixing in a fluidized bed combustor
David Pallarès, Filip Johnsson
12th Interntional Conference on Fluidization
Paper in proceedings
2006
Interpretation of dynamics of pressure measurements
David Pallarès, Andreas Johansson, Filip Johnsson
Proceedings of the 19th FBC Conference. Vol. 2
Paper in proceedings
2006
Co-firing of coal and biomass in Circulating Fluidized Beds
H. Häsä, A. Tourunen, J. Saastamoinen et al
6th European Conference on Coal Research and its Applications
Paper in proceedings
2006
Macroscopic modelling of fluid dynamics in large-scale circulating fluidized beds
David Pallarès, Filip Johnsson
Progress in Energy and Combustion Science. Vol. 32 (5-6), p. 539-569
Journal article
2006
Biomas co-firing in a CFB boiler
Fredrik Niklasson, David Pallarès, Filip Johnsson
Proceedings of the 19th FBC Conference. Vol. 1
Paper in proceedings
2006
A novel technique for particle tracking in cold 2-dimensional fluidized beds simulating fuel dispersion
David Pallarès, Filip Johnsson
Chemical Engineering Sciences. Vol. 61 (8), p. 2710-2720
Journal article
2005
Macroscopic modeling of fluid dynamics in large-scale circultaing fluidized beds
David Pallarès
Licentiate thesis
2002
Fluid dynamic modeling of CFB units
David Pallarès, Filip Johnsson
Proceedings of the 7th Internatinal Conference on Circulating Fluidized Beds, p. 387-394
Paper in proceedings
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Showing 11 research projects
2020–
Experiments and modeling of two-phase flow in energy conversion, part 2
Filip Johnsson
Energy Technology
David Pallarès
Energy Technology
Chalmers
2019–2019
The support studies for modelling of the design of Oxy CFB power plants
David Pallarès
Energy Technology
Korea Institute of Energy Research
2019–
Experiments and modeling of two-phase flow in energy conversion
Filip Johnsson
Energy Technology
David Pallarès
Energy Technology
Chalmers
2018–2021
Cost-effective and flexible polygeneration units for maximised plant use
Guillermo Martinez Castilla
Energy Technology 1
David Pallarès
Energy Technology
Rubén Mocholí Montañés
Energy Technology
Swedish Energy Agency
2018–2018
Genomförbarhetsstudie Förgasare integrerad med barkpanna för produktion av gasolersättning
David Pallarès
Energy Technology
Swedish Energy Agency
2017–2019
Enhanced performance in thermal conversion of biomass
David Pallarès
Energy Technology
Tove Djerf
Energy Technology
Anna Köhler
Energy Technology 1
Federica Gioia
Unknown organization
Filip Johnsson
Energy Technology
Swedish Energy Agency
2014–2016
Modeling of large-scale circulating fluidized bed units
David Pallarès
Energy Technology
Erik Sette
Energy Technology
Tove Karlsson
Energy Technology
Valmet Oy
2013–2016
Characterization of mixing in fluidized bed units for conversion of high volatile fuels
David Pallarès
Energy Technology
Erik Sette
Energy Technology
Tove Karlsson
Energy Technology
Valmet
Swedish Energy Agency
2012–2017
Novel combustion principle with inherent capture of CO2 using combined manganese oxides that release oxygen (NOCO2)
Anders Lyngfelt
Energy Technology
David Pallarès
Energy Technology
European Commission (FP7)
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