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ASSESMENT TOOLS OF MIXING FOR TWO COAXIAL SWIRLING JETS

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The aim of this paper is the assessment of the mixing in confined non-reacting coaxial swirling jets. The benchmark is that of Roback and Johnson. The swirl on the annular jet is responsible of an inner recirculation zone on the test chamber. A model to measure the mixing is used on the paper. This system is of interest in the design of simple burners, where two or more streams should be mixed in the shortest length and mixing conditions strongly affect the behaviour of the combustion processes.

Author(s):

Teresa Parra    
University of Valladolid
Spain

Ruben Perez    
Spain

Victor Mendoza    
Chile

Francisco Castro    
University of Valladolid
Spain