Influence of tolerances of main dimensions of flow part of a centrifugal pump on spread of its basic parameters

A. A. Sheipak; M. S. Chivileva; I. A. Sheipak

doi:10.17816/2074-0530-68361

Izvestiya MGTU MAMI ›› 2013, Vol. 7 ›› Issue (2-1) : 252 -257. DOI: 10.17816/2074-0530-68361

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Influence of tolerances of main dimensions of flow part of a centrifugal pump on spread of its basic parameters

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Abstract

The article presents the method of calculating the influence of the tolerances of main dimensions of flow part of a centrifugal pump on the spread of pressure values efficiency and critical cavitation margin with the nominal feed rate. There are discussed both symmetric and unilateral deviations of sizes.

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symmetric and unilateral tolerance / pump head / pump efficiency / critical cavitation margin / normal distribution of random variable

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A. A. Sheipak, M. S. Chivileva, I. A. Sheipak. Influence of tolerances of main dimensions of flow part of a centrifugal pump on spread of its basic parameters. Izvestiya MGTU MAMI, 2013, 7(2-1): 252-257 DOI:10.17816/2074-0530-68361

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References

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[1]	Шейпак А.А. Влияние технологических отклонений размеров проточной части динамического пневмопривода на изменение его КПД. Машиностроение и инженерное образование. 2009, №4 (21), с. 2-10 (0)

[2]	Лепешкин А.В., Михайлин А.А., Шейпак А.А. Гидравлика и гидропневмопривод. Часть 2-ая, Гидравлические машины и гидропневмопривод: Учебник / Под ред. А.А. Шейпака. - 5-е изд., доп. и перераб. - М: МГИУ, 2008. -352 с.