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Flow-visualization by means of a time-reaction

Published online by Cambridge University Press:  28 March 2006

P. V. Danckwerts  and
R. A. M. Wilson
P. V. Danckwerts
Affiliation:
Department of Chemical Engineering, University of Cambridge
R. A. M. Wilson
Affiliation:
Department of Chemical Engineering, University of Cambridge
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Abstract

A continuous-flow system is fed with a liquid which turns blue a specified time θ after entering. A more or less stationary pattern is thus set up, those parts of the liquid which have spent times longer than θ in the system being blue while the rest is colourless. The value of θ can be changed at will, enabling details of the flow-pattern to be deduced. The interpretation of the finer points of the colour-pattern is made difficult by the effects molecular interdiffusion of different parts of the liquid.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 16 , Issue 3 , July 1963 , pp. 412 - 416
Copyright
© 1963 Cambridge University Press

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References

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