How can viscosity affect the design of a mixer?

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Question :
How can viscosity affect the design of a mixer?

Category Chemical Engineering Interview Questions

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Added on 6/18/2011

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For Newtonian fluids, which will have a constant viscosity at all impeller speeds, most design correlations will perform satisfactorily for viscosities up to 5,000 cP. Above 5,000 cP, estimating errors from 20% to 50% can result in the sizing of the agitator.

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