Final report: Improved Bio-CFD Simulations

Peter Arendt Jensen, Peter Glarborg, Bo Sander, Søren Lovmand Hvid, Lisbeth Myllenrup, Simon Engedal Andersen, Joakim M. Johansen, Anna Leth-Espensen, Yashasvi Laxminarayan, Hamid Hashemi

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This report shortly describes the performed studies and the results of the project ‘Improved bio-CFD simulations’. The project objectives were to improve biomass particle conversion models such that they can be used in CFD calculations of biomass flames, and to provide better predictions of biomass particle conversion in PF boilers. Project activities have included development of biomass particle devolatilisation models, performing drop tube devolatilisation experiments with particles from 0.6 to 1.5 mm, performing a comparison of inflame measurements and CFD modelling of a 30 MWth wood bio-dust flame and conducting a short review of the industrial implications of the conducted wood particle conversion studies.
Original languageEnglish
PublisherTechnical University of Denmark
Number of pages68
Publication statusPublished - 2020

Bibliographical note

CHEC no. R2001

This report comes with an appendix that includes the following publications:

1. A. Leth-Espensen, P. Glarborg, P.A. Jensen. Predicting Biomass Char Yield from High Heating Rate
Devolatilization Using Chemometrics. Energy & Fuels 2018, 32, 9572−9580.
2. A. Leth-Espensen, T. Li, P. Glarborg, T. Løvås, P.A. Jensen. The influence of size and morphology on
devolatilisation of biomass particles. Fuel 264, 2020, 116755.
3. A. Leth-Espensen, T. Li, P. Glarborg, T. Løvås, P.A. Jensen. Determining of Zero dimensional apparent
devolatilisation kinetics for elongated biomass particles at high heating rates. Submitted to Energy & Fuels
4. P.A. Jensen, B. Sander. Review on the influence of biomass properties on suspension boiler wood particle
combustion – What can be learned from laboratory and modelling studies. Extended abstract for the
conference Nordic Flame Days August 28-29 2019, in Turku Finland.


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