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International Journal of Energy for a Clean Environment
SJR: 0.195 SNIP: 0.659 CiteScore™: 1.2

ISSN 印刷: 2150-3621
ISSN オンライン: 2150-363X

International Journal of Energy for a Clean Environment

Formerly Known as Clean Air: International Journal on Energy for a Clean Environment

DOI: 10.1615/InterJEnerCleanEnv.v7.i1.10
pages 1-16

A CFD-BASED ANALYSIS OF LOW VOLATILE COAL COMBUSTION IN DIFFERENT SCALE BURNERS

D. Toporov
Instituto Superior Tecnico, Av. Rovisco Pais, Lisboa, Portugal; Institute of Heat and Mass Transfer, RWTH Aachen University, Eilfschornsteinstraβe 18, D-52062 Aachen, Germany
Joao Luis Toste Azevedo
Technical University of Lisbon; Dep. Eng. Mecanica, Instituto Superior Técnico, Av. Rovisco Pais, 1049-001 Lisboa, Portugal

要約

This paper presents a numerical investigation on the impact of coal quality on the combustion process in a single-burner furnace under different operating conditions. Simulations were performed for a pilot plant-scale burner, comparing the use of a bituminous coal with a low volatile coal. Comparisons with experimental data show that the model qualitatively predicts the changes in burner performance. Parametric tests are performed to evaluate the importance of the transport airflow and temperature and the background radiation on ignition for both the pilot plant-scale burner and a full-scale burner.


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