Publication detail
Wall heat fluxes in swirling combustion of extra-light fuel-oil in large-scale test combustor: experiment and modeling using eddy dissipation model
BROUKAL, J. HÁJEK, J.
Czech title
Tepelné toky do stěn ve vířivém spalování extra lehkého topného oleje ve zkušebně na průmysové hořáky: Experiment a modelování pomocí Eddy Dissipation modelu
English title
Wall heat fluxes in swirling combustion of extra-light fuel-oil in large-scale test combustor: experiment and modeling using eddy dissipation model
Type
journal article - other
Language
en
Original abstract
This paper presents a preliminary study which aims to compare wall heat fluxes in swirling combustion of fuel-oil in large-scale combustor obtained both by experimental measurement and computer simulation. Prediction of wall heat fluxes is of crucial importance when designing industrial furnaces. The first part of the paper presents the experimental facilities and the method used to gather and analyze the measured data. In the second part a Computational Fluid Dynamics (CFD) simulation of the spray combustion is performed. The liquid phase is modelled using Discrete Phase Model (DPM) and the flow is solved by Reynolds-averaged Navier-Stokes (RANS) models. Various submodels are used to account for turbulence, radiation, fuel atomization and evaporation. The obtained results, i.e. means of wall heat fluxes, are finally compared with the experimental data and deviations together with possible explanations and improvements are discussed. Results show discrepancies which need to be addressed in future research.
Czech abstract
Práce se zabývá porovnáním tepelných toků do stěn ve vířivém spalování extra lehkého topného oleje ve zkušebně na průmysové hořáky. Experimentální výsledky jsou srovnávány s výsledky získanými z CFD simulací pomocí jednoduchého chemického modelu Eddy Dissipation. Rozprášení extra lehkého topného oleje je popsáno pomocí Discrete Phase Model a výsledné proudění je dosaženo použitím RANS řešiče.
English abstract
This paper presents a preliminary study which aims to compare wall heat fluxes in swirling combustion of fuel-oil in large-scale combustor obtained both by experimental measurement and computer simulation. Prediction of wall heat fluxes is of crucial importance when designing industrial furnaces. The first part of the paper presents the experimental facilities and the method used to gather and analyze the measured data. In the second part a Computational Fluid Dynamics (CFD) simulation of the spray combustion is performed. The liquid phase is modelled using Discrete Phase Model (DPM) and the flow is solved by Reynolds-averaged Navier-Stokes (RANS) models. Various submodels are used to account for turbulence, radiation, fuel atomization and evaporation. The obtained results, i.e. means of wall heat fluxes, are finally compared with the experimental data and deviations together with possible explanations and improvements are discussed. Results show discrepancies which need to be addressed in future research.
Keywords in Czech
CFD, tepelné toky do stěn, extra lehký topný olej, sprej, spalování
Keywords in English
CFD, wall heat fluxes, extra-light fuel-oil, spray combustion
RIV year
2010
Released
28.08.2010
Publisher
AIDIC Servizi S.r.l.
Location
Milano, Italy
ISSN
1974-9791
Volume
21
Number
2
Pages from–to
1111–1116
Pages count
6
BIBTEX
@article{BUT49826,
author="Jakub {Broukal} and Jiří {Hájek},
title="Wall heat fluxes in swirling combustion of extra-light fuel-oil in large-scale test combustor: experiment and modeling using eddy dissipation model",
year="2010",
volume="21",
number="2",
month="August",
pages="1111--1116",
publisher="AIDIC Servizi S.r.l.",
address="Milano, Italy",
issn="1974-9791"
}