Numerical simulation and experimental analysis of a novel small scale biomass grate firing system

Michael Eßl*, Ramin Mehrabian, Ali Shiehnejad-Hesar, Joachim Kelz, Sabine Feldmeier, Thomas Reiterer, Andrés Anca-Couce, Robert Scharler

*Korrespondierende/r Autor/in für diese Arbeit

Publikation: Beitrag in einer FachzeitschriftKonferenzartikel


The presented grate firing system is a patented small scale screw burner, which is designed for high fuel flexibility. This work focuses on the numerical modelling of the boiler via CFD simulations. The in-house developed CFD models use an Euler – Lagrange approach to predict the thermal degradation of the fuel particles and the subsequent gas-phase reactions. The CFD models are validated with experimental data from a representative measurement campaign where the boiler is operated with softwood pellets and the composition of the flue gas is measured in the primary and secondary combustion zone as well as the boiler outlet. The simulation results agree well with the data acquired in the measurement campaigns.

FachzeitschriftEuropean Biomass Conference and Exhibition Proceedings
PublikationsstatusVeröffentlicht - 1 Jan 2019
Veranstaltung27th European Biomass Conference & Exhibition: EUBCE 2019 - Lisbon, Portugal
Dauer: 27 Mai 201930 Mai 2019
Konferenznummer: ISSN 2282-5819

ASJC Scopus subject areas

  • !!Agronomy and Crop Science
  • !!Forestry
  • !!Renewable Energy, Sustainability and the Environment
  • !!Waste Management and Disposal

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