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Verfasst von:Honhar, Praveen [VerfasserIn]   i
 Hu, Yong [VerfasserIn]   i
 Gutheil, Eva [VerfasserIn]   i
Titel:Analysis of mixing models for use in simulations of turbulent spray combustion
Verf.angabe:Praveen Honhar, Yong Hu, Eva Gutheil
Umfang:20 S.
Fussnoten:Gesehen am 30.08.2018
Titel Quelle:Enthalten in: Flow, turbulence and combustion
Jahr Quelle:2017
Band/Heft Quelle:99(2017), 2, S. 511-530
ISSN Quelle:1573-1987
Abstract:The present study concerns the investigation of different mixing models for use in the transported probability density function (PDF) modeling of turbulent (reacting) spray flows. The modeling of the turbulent mixing and other characteristic scalar variables such as gas enthalpy using transported (joint) PDFs has become an important method to describe turbulent (reacting) spray flows since the evaporation process causes the PDF of the mixture fraction to deviate from the widely used β function, which is typically used in models for turbulent gas flows. In the PDF transport equation, the molecular mixing does not appear in closed form so that modeling strategies are required. For gas combustion, the interaction-by-exchange-with-the-mean (IEM) model, the modified Curl (MC) model, and the Euclidean minimum spanning tree (EMST) models are used. More recently, a new mixing model, the PSP model, which is based on parameterized scalar profiles has been developed. The present study focuses on the use and analysis of the IEM, MC and PSP models for turbulent spray flames. For this purpose, the models are reconsidered with respect to the evaporation process that must be included and evaluated if spray combustion is considered. For model evaluation, turbulent ethanol/air spray flames are simulated, and the results are compared to experimental data by A. Masri, University of Sydney, Australia.
DOI:doi:10.1007/s10494-017-9815-0
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Verlag: http://dx.doi.org/10.1007/s10494-017-9815-0
 Verlag: https://doi.org/10.1007/s10494-017-9815-0
 DOI: https://doi.org/10.1007/s10494-017-9815-0
Datenträger:Online-Ressource
Sprache:eng
K10plus-PPN:1580534740
Verknüpfungen:→ Zeitschrift

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