Modeling of liquid fuel injection, evaporation and mixing in a gas turbine burner using large eddy simulations
2000 (English)In: Flow Turbulence and Combustion, ISSN 1386-6184, E-ISSN 1573-1987, Vol. 65, no 2, 223-244 p.Article in journal (Refereed) Published
The interaction of turbulence, temperature fluctuation, liquid fuel transport, mixing and evaporation is studied by using Large Eddy Simulations (LES). To assess the accuracy of the different components of the methods we consider first isothermal, single phase flow in a straight duct. The results using different numerical methods incorporating dynamic Sub-Grid-Scale (SGS) models are compared with DNS and experimental data. The effects of the interactions among turbulence, temperature fluctuation, spray transport, evaporation and mixing of the gaseous fuel are studied by using different assumptions on the temperature field. It has been found that there are strong non-linear interactions among temperature-fluctuation, evaporation and turbulent mixing which require additional modeling if not full LES is used. The developed models and methods have been applied to a gas turbine burner into which liquid fuel is injected. The dispersion of the droplets in the burner is described.
Place, publisher, year, edition, pages
2000. Vol. 65, no 2, 223-244 p.
spray injection, turbulent mixing and evaporation, LES, channel flow, jet
IdentifiersURN: urn:nbn:se:kth:diva-20564ISI: 000168346800007OAI: oai:DiVA.org:kth-20564DiVA: diva2:339260
QC 201005252010-08-102010-08-10Bibliographically approved