Free Turbulent Reacting Jet Simulation Based on Combination of Transport Equations and PDF

Autor:	Iskender Gökalp, Meriem Safer, Abdelhamid Bounif, Khadidja Safer
Rok vydání:	2010
Předmět:	Physics Jet (fluid) General Computer Science Field (physics) Turbulence Flow (psychology) Rotational symmetry Thermodynamics Probability density function Mechanics Combustion Physics::Fluid Dynamics Modeling and Simulation Physical quantity
Zdroj:	Engineering Applications of Computational Fluid Mechanics. 4:246-259
ISSN:	1997-003X 1994-2060
DOI:	10.1080/19942060.2010.11015314
Popis:	In this paper, a method based on the combination of transport equations and PDF (Probability Density Function) calculations is tested through the study of a free axisymmetric turbulent jet and non-premixed flames. This method solves the difficulties related to the closure of the chemical source term. PDF calculations provide the statistical properties of the flow by which the mean values of physical quantities are calculated. In addition, Favre averaged quantities, i.e. temperature, species concentration and velocity fields, can be obtained by using PDF. A comparison has been made with previous experimental and numerical studies in the same field. The model is then applied to the investigation of a diffusive turbulent flame for which experimental data exist. The results obtained show good accuracy for velocities, main species and temperature and are very encouraging for use in combustion simulations.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::9a2b80a16a81080f69abe10d0c7f7daa https://doi.org/10.1080/19942060.2010.11015314 Zobrazit plný text záznamu