Similarity formula when machining impellers of centrifugal pumps

A. S. Kondratiev

doi:10.17816/2074-0530-67638

Izvestiya MGTU MAMI ›› 2014, Vol. 8 ›› Issue (3-1) : 20 -22. DOI: 10.17816/2074-0530-67638

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Similarity formula when machining impellers of centrifugal pumps

A. S. Kondratiev

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Abstract

It is shown that during machining of centrifugal pumps impellers the condition of geometric similarity is not fulfilled, that’s why comparable pumps are not geometrically similar. It is shown, that according experiments ratio of motion of such pumps is proportional to the diameter of machined and not-machined impellers.

Keywords

centrifugal pumps / geometric similarity / machined impellers / comparison of characteristics

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A. S. Kondratiev. Similarity formula when machining impellers of centrifugal pumps. Izvestiya MGTU MAMI, 2014, 8(3-1): 20-22 DOI:10.17816/2074-0530-67638

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