David Pallarès
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.
Showing 90 publications
Comparison of the Dynamic Behaviour between Bubbling and Circulating Fluidized Bed Combustors
Modeling Axial Mixing of Fuel Particles in the Dense Region of a Fluidized Bed
Effects of the Choice of Gas on the Hydrodynamics of Fluidized Beds
Upscaling Effects on Char Conversion in Dual Fluidized Bed Gasification
Bottom-bed fluid dynamics – Influence on solids entrainment
Determination of the Apparent Viscosity of Dense Gas-Solids Emulsion by Magnetic Particle Tracking
Modelling axial mixing of char - application to the dense bottom bed in CFB boilers
Bottom-bed fluid dynamics - Influence on solids entrainment
A conversion-class model for describing fuel conversion in large-scale fluidized bed units
Modeling and scale analysis of gaseous fuel reactors in chemical looping combustion systems
Magnetic tracking of a fuel particle in a fluid-dynamically down-scaled fluidised bed
Oxy-fuel conversion of sub-bituminous coal particles in fluidized bed and pulverized combustors
Control of the solids retention time by multi-staging a fluidized bed reactor
The role of fuel mixing on char conversion in a fluidized bed
Experimental characterization of axial fuel mixing in fluidized beds by magnetic particle tracking
The role of fuel mixing on char conversion in a fluidized bed
Experimental characterization of axial fuel mixing in fluidized beds by magnetic particle tracking
Heat extraction from a utility-scale oxy-fuel-fired CFB boiler
Time-resolved modeling of gas mixing in fluidized bed units
3-dimensional magnetic particle tracking in a fluid-dynamically downscaled bubbling fluidized bed
The crucial role of frictional stress models for simulation of bubbling fluidized beds
Magnetic tracer-particle tracking in a fluid dynamically down-scaled bubbling fluidized bed
Camera-probe fuel tracking under industrial fluidized-bed conditions
Influence of bulk solids cross-flow on lateral mixing of fuel in dual fluidized beds
Easurement of solids velocity and concentration in a large cold CFB model
Heat transfer in the external heat exchanger of oxy-fuel fluidized bed boilers
A 1-dimensional model of indirect biomass gasification in a dual fluidised bed system
Fluidized bed technologies for near-zero emission combustion and gasification
Solids back-mixing in CFB-furnaces
Simulation of Fuel Mixing in Fluidized Beds using a Combined Tracking Technique
Eulerian-Eulerian-Lagrangian Simulation of Fuel Mixing in Fluidized beds
Carbon Monoxide Formation during Oxy-fuel-Fired Fluidized-Bed Combustion
Analysis of lateral fuel mixing in a fluid-dynamically down-scaled bubbling fluidized bed
A Study of Fuel Particle Movement in Fluidized Beds
Modeling of fluidized bed combustion processes
Conversion of large coal particles under O2/N2 and O2/CO2 atmospheres - Experiments and modeling
ANALYSIS OF LATERAL FUEL MIXING IN A FLUIDDYNAMICALLY DOWN-SCALED BUBBLING FLUIDIZED BED
Modeling of the heat transfer in large-scale fluidized bed furnaces
Quantitative evaluation of inert solids mixing in a bubbling fluidized bed
The role of external heat exchangers in oxy-fuel circulating fluidized bed
Lateral fuel dispersion in a large-scale bubbling fluidized bed
Circulating fluidized bed combustion – build-up and validation of a three-dimensional model
A novel multigrid technique for lagrangian modeling of fuel mixing in fluidized beds
Assessment of the Scale-Up and Operational Design of the Fuel Reactor in Chemical Looping Combustion
Zero-dimensional modeling of indirect fluidized bed gasification
One-dimensional modeling of oxy-fuel fluidized bed combustion for CO2 capture
Digital image analysis of bubble flow – influence of operational parameters
Modeling of the solids inventory in a CFB boiler
Voidage distribution around bubbles in a fluidized bed
A novel multigrid approach for Lagrangian modeling of fuel mixing in fluidized beds
Dynamical modeling of the gas phase in fluidized bed combustion - accounting for fluctuations
A comprehensive model of CFB combustion
Modeling of fuel mixing in fluidized bed combustors
Experimental analysis of fuel mixing patterns in a fluidized bed
Modeling fuel mixing in a fluidized bed combustor
Interpretation of dynamics of pressure measurements
Co-firing of coal and biomass in Circulating Fluidized Beds
Macroscopic modelling of fluid dynamics in large-scale circulating fluidized beds
Biomas co-firing in a CFB boiler
Macroscopic modeling of fluid dynamics in large-scale circultaing fluidized beds
Fluid dynamic modeling of CFB units
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Showing 11 research projects
Experiments and modeling of two-phase flow in energy conversion, part 2
The support studies for modelling of the design of Oxy CFB power plants
Experiments and modeling of two-phase flow in energy conversion
Cost-effective and flexible polygeneration units for maximised plant use
Genomförbarhetsstudie Förgasare integrerad med barkpanna för produktion av gasolersättning
Enhanced performance in thermal conversion of biomass
Modeling of large-scale circulating fluidized bed units
Characterization of mixing in fluidized bed units for conversion of high volatile fuels