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A Quasi-1D Model of Biomass Co-Firing in a Circulating Fluidized Bed Boiler

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Finite Volumes for Complex Applications VII-Elliptic, Parabolic and Hyperbolic Problems

Part of the book series: Springer Proceedings in Mathematics & Statistics ((PROMS,volume 78))

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Abstract

We introduce an outline of the mathematical model of combustion in circulating fluidized bed boilers. The model is concerned with multiphase flow of flue gas, bed material, and two types of fuels (coal and biomass) that can be co-fired in the furnace. It further considers phase interaction resulting in particle attrition, devolatilization and burnout of fuel particles, and energy balance between heat production and consumption (radiative and convective transfer to walls). Numerical solution by means of the finite volume method together with a Runge-Kutta class time integration scheme is mentioned only briefly as the used methods are generic and well documented elsewhere. Some representative results are also presented.

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Acknowledgments

This work was supported by the project “Advanced Control and Optimization of Biofuel Co-Firing in Energy Production”, project No. TA01020871 of the Technological Agency of the Czech Republic, 2011–2013.

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Correspondence to Pavel Strachota .

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Beneš, M., Strachota, P., Máca, R., Havlena, V., Mach, J. (2014). A Quasi-1D Model of Biomass Co-Firing in a Circulating Fluidized Bed Boiler. In: Fuhrmann, J., Ohlberger, M., Rohde, C. (eds) Finite Volumes for Complex Applications VII-Elliptic, Parabolic and Hyperbolic Problems. Springer Proceedings in Mathematics & Statistics, vol 78. Springer, Cham. https://doi.org/10.1007/978-3-319-05591-6_79

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