NDLI: LES of the Cambridge Stratified Swirl Burner using a Sub-grid pdf Approach

Content Provider	Springer Nature Link
Author	Brauner, T. Jones, W. P. Marquis, A. J.
Copyright Year	2016
Abstract	The sub-grid scale probability density function equation is rearranged in order to separate the resolved and sub-grid-scale (sgs) contributions to the sgs mixing term. This allows modelling that is consistent with the limiting case of negligible sub-grid scale variations, a property required for applications to laboratory premixed flames. The new method is applied to the Cambridge Stratified Swirl Burner for 6 operating conditions, 2 isothermal and 4 burning, with varying degrees of swirl and mixture stratification. The simulations are performed with the Large Eddy Simulation (LES) code BOFFIN in which the modelled pdf transport equation is solved using the Eulerian stochastic field method. Eight stochastic fields are used to account for the influence of the sub-grid fluctuations and the chemistry is modelled with a reduced version of the GRI 3.0 mechanism for methane involving 19 species and 15 reaction steps. The simulated velocities for both the isothermal and burning cases show good agreement with the experimental data. The measured temperature and major species profiles are also reproduced to a good accuracy.
Starting Page	965
Ending Page	985
Page Count	21
File Format	PDF
ISSN	13866184
Journal	Flow, Turbulence and Combustion
Volume Number	96
Issue Number	4
e-ISSN	15731987
Language	English
Publisher	Springer Netherlands
Publisher Date	2016-03-08
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Stratified Flames Large eddy simulation Sub-grid scale pdf equation Stochastic Fields Engineering Fluid Dynamics Fluid- and Aerodynamics Engineering Thermodynamics, Heat and Mass Transfer Automotive Engineering
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Physical and Theoretical Chemistry Chemical Engineering

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LES of the Cambridge Stratified Swirl Burner using a Sub-grid pdf Approach

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