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A new Simulation Model for Grate Firing Systems in OpenFOAM

Author

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

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.

Suggested Citation

  • Rückert, Frank Ulrich & Lehser-Pfeffermann, Daniel & Theis, Danjana & Kim, Ju Pyo & Schargen, Andre & Zorbach, Ingo & Sohnemann, Jens, 2021. "A new Simulation Model for Grate Firing Systems in OpenFOAM," Energy, Elsevier, vol. 216(C).
    • Handle: RePEc:eee:energy:v:216:y:2021:i:c:s0360544220323331
    DOI: 10.1016/j.energy.2020.119226
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