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THMT-12. Proceedings of the Seventh International Symposium On Turbulence Heat and Mass Transfer
September, 24-27, 2012, Palermo, Italy

DOI: 10.1615/ICHMT.2012.ProcSevIntSympTurbHeatTransfPal


ISBN Print: 978-1-56700-302-4

ISSN: 2377-2816

Flame-Lift Off Conditions in a Boundary Layer with Hydrogen Injection and Combustion

pages 2019-2027
DOI: 10.1615/ICHMT.2012.ProcSevIntSympTurbHeatTransfPal.2070
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SINOPSIS

The aim of present research was to obtain data on the conditions of flame blowout in a laminar boundary layer with uniform injection of H2/N2 or H2/He fuel mixture through a horizontal porous plate into the air stream. This shows that the conditions of ignition and extinction of the flame in the boundary layer can be described by two quantities: dimensionless parameter and concentration of hydrogen in the fuel mixture. It turns out that the injection, corresponding to extinction, is inversely proportional to concentration of hydrogen.

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