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Laser-enhanced Ionization Flame Velocimeter

Volume 36, Number 2 (April 1982) Page 168-171

Schenck, P.K.; Travis, J.C.; Turk, G.C.; O'Haver, T.C.


The temporal and spatial evolution of the depleted neutral atom density following laser-enhanced ionization in laminar flow flames has been used to characterize the flow velocity of the flame gases. This technique utilizes a low power cw dye laser and a low sodium seed density (1011 to 1012 atoms/ml). The flow velocity can be measured to better than 2% in standard analytical burners.