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%0 Chart or Table
%A Askarizadeh Ravizi, Hossein
%A Pielsticker, Stefan
%A Nicolai, Hendrik
%A Özer, Burak
%A Kneer, Reinhold
%A Hasse, Christian
%A Maßmeyer, Anna Lisa
%T Influence of the devolatilisation kinetics on the numerical simulation of pulverised fuel swirl flames under oxyfuel conditions - Supplementary dataset
%M RWTH-2025-01763
%D 2025
%X Numerous studies can be found concerning the development of various models to describe devolatilisation within the solid fuel conversion process. Despite the availability of detailed devolatilisation models, such as chemical percolation devolatilisation (CPD), simplified ones, such as the single first-order reaction (SFOR) and the competing two-step model (C2SM), are typically used in numerical simulations because of their low computational cost. In this study, walnut shells and Rhenish lignite are employed as pulverised fuels for an oxyfuel-fired reference case and their devolatilisation kinetics are determined experimentally using a fluidised bed reactor. To show the influence of devolatilisation kinetics on the flames, a simulation tool in Ansys Fluent is developed based on Reynolds-averaged Navier–Stokes (RANS) equations. The numerical tool is equipped with user-defined functions to take into account the modifications needed in an oxyfuel compared to air atmosphere regarding gas and particle radiation and particle kinetics. The parameter sets for devolatilisation kinetics are determined experimentally using a fluidised bed reactor and for comparison are also taken from existing numerical investigations in the literature. Significant differences can be observed, particularly in particle temperatures and the release of their volatile contents when using different parameter sets for devolatilisation kinetics. Particle temperatures obtained using the experimentally determined parameter sets in the simulations show improvements in the accuracy of the simulations up to 22 
%F PUB:(DE-HGF)32
%9 Dataset
%R 10.18154/RWTH-2025-01763
%U https://publications.rwth-aachen.de/record/1005444