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Characteristics of a spiral placed in a tube with a large radial gap

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Chemical and Petroleum Engineering Aims and scope

A spiral device is considered as the input to a centrifugal pump: an axial vortex pump (AVP), with the spiral placed in a tube with a large radial gap. Test results are presented in relative coordinates: the input coefficient φ and the pressure coefficient ψ. Experimental characteristics have been obtained for a spiral in a tube with a minimal gap and for a calculation on a formula for an AVP. There is good agreement over the results for the head for φ = 0.

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References

  1. B. N. Zotov, “Calculating the characteristics of labyrinth-type pumps,” in: Collection of VNIIGIDROMASh Papers: Pumps for Intensifying Industrial Pumping [in Russian], Moscow (1988), pp. 83–92.

  2. B. N. Zotov, “A study of reverse flows in pumps and methods of calculating the characteristics of an axial vortex stage,” Khim. Neftegaz. Mashinostr., No. 5, 30–32 (2006).

  3. B. N. Zotov, “Calculating the characteristics of an axial vortex pump,” Khim. Neftegaz. Mashinostr., No. 7, 20–21 (2006).

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Authors and Affiliations

  1. Gidromash Scientific and Production Association, Moscow, Russia

    B. N. Zotov

  2. Kaluga Branch, Bauman Moscow State Technical University, Kaluga, Russia

    V. I. Melashchenko

Authors
  1. B. N. Zotov
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  2. V. I. Melashchenko
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Translated from Khimicheskoe i Neftegazovoe Mashinostroenie, No. 1, pp. 29–30, January, 2009.

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Zotov, B.N., Melashchenko, V.I. Characteristics of a spiral placed in a tube with a large radial gap. Chem Petrol Eng 45, 31–35 (2009). https://doi.org/10.1007/s10556-009-9138-7

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  • DOI: https://doi.org/10.1007/s10556-009-9138-7

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