Numerical study of aerodynamics and brown coal combustion in the vortex furnace with air excess variation

Autor: Krasinsky Denis
Jazyk: English<br />French
Rok vydání: 2017
Předmět:
Zdroj: MATEC Web of Conferences, Vol 115, p 06011 (2017)
Druh dokumentu: article
ISSN: 2261-236X
DOI: 10.1051/matecconf/201711506011
Popis: The results of numerical modelling of 3D turbulent two-phase reacting flow with account for all the principal heat and mass transfer processes during the pulverized brown coal combustion in the vortex furnace of a power plant boiler unit have been presented. For two computational cases where air excess coefficient α was varied (set to 1.15 and 1.25), the detailed aerothermochemical 3D structure of reacting flow in the furnace volume has been revealed. The comparison of integral heat engineering parameters and NOx emissions obtained in the two cases has shown a slightly improved vortex furnace performance in the case α=1.25.
Databáze: Directory of Open Access Journals