Stability and Emissions of Lean, Turbulent, Premixed Flames with Very Lean Coflow

The scalar transport in a swirling jet in a crossflow has been investigated in water tunnel experiments. The jet to freestream velocity ratio was varied from 4.9 to 11.1. and the jet swirl numbers ranged from 0 to 0.17. The jet exit Reynolds number was kept at 1.3 x 104 during the experiments. Plana...

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Bibliographic Details
Published in:AIAA journal 1997-11, Vol.35 (11), p.1705-1711
Main Authors: Hermanson, J. C, Colket, M. B, Sangiovanni, J. J
Format: Article
Language:English
Subjects:
Aircraft
Applied sciences
Combustion of gaseous fuels
Combustion. Flame
Emissions
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fluid dynamics
Fuels
Theoretical studies. Data and constants. Metering
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Summary:The scalar transport in a swirling jet in a crossflow has been investigated in water tunnel experiments. The jet to freestream velocity ratio was varied from 4.9 to 11.1. and the jet swirl numbers ranged from 0 to 0.17. The jet exit Reynolds number was kept at 1.3 x 104 during the experiments. Planar laser-induced fluorescence was utilized to measure planar cross sections of the mean concentration field of the jet up to 68 jet diameters downstream of the exit.
ISSN:0001-1452
1533-385X
DOI:10.2514/2.39