A new Simulation Model for Grate Firing Systems in OpenFOAM

Frank Ulrich Rückert, Daniel Lehser-Pfeffermann, Danjana Theis, Ju Pyo Kim, Andre Schargen, Ingo Zorbach and Jens Sohnemann

Energy, 2021, vol. 216, issue C

Abstract: A grate firing system can be seen as a multiphase flow problem. High volume fractions of solid fuel particles travel over the grate of a power plant, while heterogeneous reactions occure at the surface of the particles in combination with homogeneous combustion reactions inside the flue gas. Up to now, grate firing systems are still difficult to simulate with standard computational fluid dynamics (CFD). The movement of the solid particles inside the fuel bed and their heterogeneous reactions are difficult to combine with the homogeneous reactions of the gas phase species and the heat transfer. The emitted radiation from the gas has to be coupled with the heat balance inside the fuel bed.

Keywords: computational fluid dynamics; biomass; waste; grate firing system; OpenFOAM; digital twin (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:216:y:2021:i:c:s0360544220323331

DOI: 10.1016/j.energy.2020.119226

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