Research on the Flow in a Centrifugal Pump Impeller : 2nd Report, An Application of Thin Wing Lattice Theory to Centrifugal Pump Impeller
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In this report, the author has applied the thin wing lattice theory mentioned in 1 st Report to the two-dimensional flow through a centrifugal pump impeller with logarithmic-spiral blades. Compared with other methods, the calculation by this method is comparatively easy and accurate, even if the blade angle is small and the number of blades is large. Numerical examples of the performance curve and velocity distribution on the blade agree with the exact solutions obtained by Busemann and Shirakura respectively. Equations and numerical examples are also shown for the blades of approximately logarithmicspiral forms.
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