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Mass transfer and shear rate in baffled surface aerator

Kumar, Bimlesh and Patel, Ajey Kumar and Rao, Achanta Ramakrishna (2011) Mass transfer and shear rate in baffled surface aerator. In: Korean Journal of Chemical Engineering, 28 (2). pp. 502-506.

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Abstract

The scale up or scale down of the process variables in a surface aerator requires information about the shear rate prevailing in the system. In fact, the performance of surface aerator depends upon the shear rate. Shear rate affects the mass transfer operation needed by the surface aerator. Theoretical analysis of shear rate suggests a nonlinear behavior with rotational speed of the impeller, which has been shown in the present work. Present work also shows that in a geometrically similar system of baffled surface aerator, shear rate can be used as a governing parameter for scaling up or down the mass transfer phenomena.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Springer.
Keywords: Mass Transfer Rate;Mixing;Power Number;Shear Rate;Surface Aeration
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 07 Apr 2011 06:04
Last Modified: 07 Apr 2011 06:04
URI: http://eprints.iisc.ernet.in/id/eprint/36002

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