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An experimental study of diffusion‐controlled reactions in a laminar boundary layer
Author(s) -
Litt Mitchell,
Friedlander S. K.
Publication year - 1959
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690050415
Subject(s) - laminar flow , thermodynamics , chemistry , boundary layer , sodium hydroxide , reaction rate , dissolution , potassium hydroxide , diffusion , aqueous solution , mechanics , physics , organic chemistry , catalysis
A brief review is presented of the theoretical solution obtained by the authors to the problem of a rapid second‐order reaction in the incompressible laminar boundary layer on a flat plate. An experimental system is described for investigating reactions of this type, specifically the dissolution of plates and cylinders of benzoic and cinnamic acids in aqueous solutions of sodium and potassium hydroxide. Experimental data are reported in terms of a reaction factor, that is the ratio of the transfer rate with reaction to that in the absence of reaction. The reaction factor is independent of position. The theory closely predicts the reaction factor for cylinders as well as for flat plates. Data obtained by other investigators for packed beds can also be correlated although less successfully.