Equations correct centrifugal pump curves for viscosity

Equations that replace diagrams can correct centrifugal-pump performance curves for highly viscous liquid.These equations are based on a widely used and generally accepted procedure of the Hydraulic Institute, Parsippany, NJ. Its previously published charts, after digitizing, were fitted with analytical functions to derive the relevant parameters.The model described in this article lends itself to computer applications and may be included as a subroutine in many kinds of software programs that involve selecting or evaluating centrifugal pumps.Two examples prove that the proposed analytical model has good accuracy.Pump curvesThe proper selection and evaluation of centrifugal pumps rely on ...

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