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Shape effect on optimal geometric conditions in surface aeration systems

Kumar, Bimlesh and Patel, Ajey Kumar and Rao, Achanta Ramakrishna (2010) Shape effect on optimal geometric conditions in surface aeration systems. In: Korean Journal of Chemical Engineering, 27 (1). pp. 159-162.

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Abstract

The performance of surface aeration systems, among other key design variables, depends upon the geometric parameters of the aeration tank. Efficient performance and scale up or scale down of the experimental results of an aeration ystem requires optimal geometric conditions. Optimal conditions refer to the conditions of maximum oxygen transfer rate, which assists in scaling up or down the system for ommercial utilization. The present work investigates the effect of an aeration tank's shape (unbaffled circular, baffled circular and unbaffled square) on oxygen transfer. Present results demonstrate that there is no effect of shape on the optimal geometric conditions for rotor position and rotor dimensions. This experimentation shows that circular tanks (baffled or unbaffled) do not have optimal geometric conditions for liquid transfer, whereas the square cross-section tank shows a unique geometric shape to optimize oxygen transfer.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to Springer.
Keywords: Aeration; Geometric Conditions; Oxygen Transfer; Rotor; Shape
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 09 Feb 2010 11:26
Last Modified: 19 Sep 2010 05:54
URI: http://eprints.iisc.ernet.in/id/eprint/25510

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