July 1-6, 2007
In the past few years the use of biomass in power plants has grown dramatically. As a result of this action fouling and slagging in co-firing biomass facilities have turned out to play a critical role in the efficiency of such facilities. Efficient and effective methods are therefore needed to control fouling to an acceptable level and to prevent economic losses due to reduced furnace thermal efficiency, increased maintenance or even unscheduled outages. Numerical prediction of the impact of deposit properties has proved itself to be a successful strategy to both evaluate changes in the facility performance and to investigate possible solutions to minimize fouling as well. TU Delft and ECN started a project to monitor and control fouling in furnaces co-firing biomass with coal by means of numerical simulations and experiments. Numerical investigations are based on the development of a novel in-house code to track solid particles post-processing gas phase CFD data. These have been calculated using commercial codes such as FLUENT, CINAR and CFX. The Lagrangian Particle Post- Processor code ( P3 ) strategy and numerical results are presented here. Numerical simulation compare fairly well to the available experimental data for glass particles.
M. Losurdo, C. Bertrand, and H. Spliethoff, "A LAGRANGIAN PARTICLE CFD POST-PROCESSOR DEDICATED TO PARTICLE ADHESION/DEPOSITION" in "Heat Exchanger Fouling and Cleaning VII", Hans Müller-Steinhagen, Institute of Technical Thermodynamics, German Aerospace Centre (DLR) and Institute for Thermodynamics and Thermal Engineering, University of Stuttgart, Germany; M. Reza Malayeri, University of Stuttgart, Germany; A. Paul Watkinson, The University of British Columbia, Canada Eds, ECI Symposium Series, (2007). http://dc.engconfintl.org/heatexchanger2007/40