Detail publikace
Eulerian Two-Fluid Modeling of Iron Oxide (FeO) Reduction and Gas Evolution on Graphite in Smelting Slag
KARIMI-SIBAKI, E. VAKHRUSHEV, A. WU, M. BOHÁČEK, J. KHARICHA, A.
Anglický název
Eulerian Two-Fluid Modeling of Iron Oxide (FeO) Reduction and Gas Evolution on Graphite in Smelting Slag
Typ
Článek WoS
Jazyk
en
Originální abstrakt
A multiphase Eulerian two-fluid model was developed to simulate the reduction of FeO on a graphite surface immersed in a CaO-SiO2-FeO smelting slag. Three phases are considered: the primary slag melt, containing FeO as the sole reactive species; CO gas bubbles generated by the reduction reaction; and iron particles formed at the interface. The model incorporates gas generation, turbulent dispersion, and interfacial reactions within a twodimensional axisymmetric computational domain. Although the slag is initially quiescent and the resulting weak flow appears laminar, a purely laminar assumption fails to reproduce the experimentally measured FeO consumption and CO evolution. The results show that bubble-induced turbulence is essential, as it significantly enhances mass transfer and interfacial reaction rates near the graphite surface. Model predictions were validated against experimental data.
Klíčová slova anglicky
Eulerian two-fluid model; iron oxide reduction; smelting slag; graphite; gas evolution; bubble-induced turbulence; multiphase flow; computational fluid dynamics; interfacial reaction; mass transfer
Vydáno
2026-05-26
Časopis
JOM
Ročník
78
Číslo
7
Strany od–do
6014–6023
Počet stran
10
BIBTEX
@article{BUT212144,
author="Ebrahim {Karimi-Sibaki} and Alexander {Vakhrushev} and Menghuai {Wu} and Jan {Boháček} and Abdellah {Kharicha}",
title="Eulerian Two-Fluid Modeling of Iron Oxide (FeO) Reduction and Gas Evolution on Graphite in Smelting Slag",
journal="JOM",
year="2026",
volume="78",
number="7",
pages="10",
doi="10.1007/s11837-026-08402-6",
issn="1047-4838",
url="https://link.springer.com/article/10.1007/s11837-026-08402-6"
}