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Chemically Reacting, Turbulent Shear Layer

Breidenthal, R. (1979) Chemically Reacting, Turbulent Shear Layer. AIAA Journal, 17 (3). pp. 310-311. ISSN 0001-1452. doi:10.2514/3.61121.

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A chemically reacting, turbulent shear layer between two streams was investigated in a new, blowdown water tunnel. The two streams contained dilute, aqueous solutions of diffusion-limited reactants (phenolphthalein and sodium hydroxide, respectively) which mixed in the layer and reacted to form a visible reaction product. Using optical densitometry techniques, the amount of product was measured as a function of Reynolds number. These results for water (Schmidt No. = 600) are compared with the previous mixing measurements of Konrad in a gaseous shear layer (Sc = 0.7) and the simple mixing method of Broadwell. The unique flow visualization provided by the visible reaction product revealed a remarkable spanwise instability (superimposed on the large coherent vortices) which appears to be important in introducing three-dimensional motions into the flow.

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Additional Information:© 1979 AIAA.
Issue or Number:3
Record Number:CaltechAUTHORS:20170726-125219884
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Official Citation:R. Breidenthal. "Chemically Reacting, Turbulent Shear Layer", AIAA Journal, Vol. 17, No. 3 (1979), pp. 310-311.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:79423
Deposited By: Tony Diaz
Deposited On:26 Jul 2017 21:43
Last Modified:15 Nov 2021 17:48

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