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1.	Lipatnikov, Andrei, 1961, et al. (författare) Effects of premixed flames on turbulence and turbulent scalar transport 2010 Ingår i: Progress in Energy and Combustion Science. - : Elsevier BV. - 0360-1285. ; 36:1, s. 1-102 Tidskriftsartikel (refereegranskat)abstract Experimental data and results of direct numerical simulations are reviewed in order to show that premixed combustion can change the basic characteristics of a fluctuating velocity field (the so-called flame-generated turbulence) and the direction of scalar fluxes (the so-called countergradient or pressure-driven transport) in a turbulent flow. Various approaches to modeling these phenomena are discussed and the lack of a well-elaborated and widely validated predictive approach is emphasized. Relevant basic issues (the transition from gradient to countergradient scalar transport, the role played by flame-generated turbulence in the combustion rate, the characterization of turbulence in premixed flames, etc.) are critically considered and certain widely accepted concepts are disputed. Despite the Substantial progress made in understanding the discussed effects over the past decades, these basic issues strongly need further research.

Lipatnikov, Andrei, 1961, et al. (författare)
Effects of premixed flames on turbulence and turbulent scalar transport
2010
Ingår i: Progress in Energy and Combustion Science. - : Elsevier BV. - 0360-1285. ; 36:1, s. 1-102
Tidskriftsartikel (refereegranskat)abstract
- Experimental data and results of direct numerical simulations are reviewed in order to show that premixed combustion can change the basic characteristics of a fluctuating velocity field (the so-called flame-generated turbulence) and the direction of scalar fluxes (the so-called countergradient or pressure-driven transport) in a turbulent flow. Various approaches to modeling these phenomena are discussed and the lack of a well-elaborated and widely validated predictive approach is emphasized. Relevant basic issues (the transition from gradient to countergradient scalar transport, the role played by flame-generated turbulence in the combustion rate, the characterization of turbulence in premixed flames, etc.) are critically considered and certain widely accepted concepts are disputed. Despite the Substantial progress made in understanding the discussed effects over the past decades, these basic issues strongly need further research.

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